diff --git a/include/battle/battle_context.h b/include/battle/battle_context.h
index 421c39d98d..ebcad83485 100644
--- a/include/battle/battle_context.h
+++ b/include/battle/battle_context.h
@@ -167,11 +167,11 @@ struct BattleContext {
     int sharedExp;
     u32 sideGetExpMask[2];
 
-    int scriptNarc;
+    enum NarcID scriptNarc;
     int scriptFile;
     int scriptCursor;
     int scriptStackPointer;
-    int scriptStackNarc[BATTLE_SCRIPT_STACK_MAX];
+    enum NarcID scriptStackNarc[BATTLE_SCRIPT_STACK_MAX];
     int scriptStackFile[BATTLE_SCRIPT_STACK_MAX];
     int scriptStackCursor[BATTLE_SCRIPT_STACK_MAX];
 
diff --git a/include/battle/battle_lib.h b/include/battle/battle_lib.h
index e739458cf6..daf379dbe0 100644
--- a/include/battle/battle_lib.h
+++ b/include/battle/battle_lib.h
@@ -60,20 +60,20 @@ void BattleSystem_ReloadPokemon(BattleSystem *battleSys, BattleContext *battleCt
  * @brief Load a script file from the specified NARC.
  *
  * @param battleCtx
- * @param narc          Which NARC to open for the script
+ * @param narcID        Which NARC to open for the script
  * @param file          Which file in the NARC to load
  */
-void BattleSystem_LoadScript(BattleContext *battleCtx, int narc, int file);
+void BattleSystem_LoadScript(BattleContext *battleCtx, enum NarcID narcID, int file);
 
 /**
  * @brief Load a script file from the specified NARC and invoke it as a call,
  * returning to the previous script once finished processing.
  *
  * @param battleCtx
- * @param narc          Which NARC to open for the script
+ * @param narcID        Which NARC to open for the script
  * @param file          Which file in the NARC to load
  */
-void BattleSystem_CallScript(BattleContext *battleCtx, int narc, int file);
+void BattleSystem_CallScript(BattleContext *battleCtx, enum NarcID narcID, int file);
 
 /**
  * @brief Pop a script from the stack, if one is present, and load it for
diff --git a/include/easy3d_object.h b/include/easy3d_object.h
index 811bfc47fa..04f3794046 100644
--- a/include/easy3d_object.h
+++ b/include/easy3d_object.h
@@ -39,7 +39,7 @@ typedef struct Easy3DObject {
     u8 padding_76[2];
 } Easy3DObject;
 
-void Easy3DModel_Load(Easy3DModel *model, u32 narcIndex, u32 memberIndex, u32 heapID);
+void Easy3DModel_Load(Easy3DModel *model, enum NarcID narcID, u32 memberIndex, u32 heapID);
 void Easy3DModel_LoadFrom(Easy3DModel *model, NARC *narc, u32 memberIndex, u32 heapID);
 void Easy3DModel_Release(Easy3DModel *model);
 
diff --git a/include/font_manager.h b/include/font_manager.h
index 56f0c093b4..1eec0cf3d7 100644
--- a/include/font_manager.h
+++ b/include/font_manager.h
@@ -49,7 +49,7 @@ struct FontManager {
     u8 *glyphWidths;
 };
 
-FontManager *FontManager_New(u32 narcID, u32 arcFileIdx, enum GlyphAccessMode glyphAccessMode, BOOL isMonospace, u32 heapID);
+FontManager *FontManager_New(enum NarcID narcID, u32 arcFileIdx, enum GlyphAccessMode glyphAccessMode, BOOL isMonospace, u32 heapID);
 void FontManager_Delete(FontManager *fontManager);
 void FontManager_SwitchGlyphAccessMode(FontManager *fontManager, enum GlyphAccessMode glyphAccessMode, u32 heapID);
 void FontManager_TryLoadGlyph(const FontManager *fontManager, charcode_t c, TextGlyph *outGlyph);
diff --git a/include/graphics.h b/include/graphics.h
index 5ebca0f67f..dae0c9ae55 100644
--- a/include/graphics.h
+++ b/include/graphics.h
@@ -24,26 +24,26 @@ enum ImageMappingLayout {
     IMAGE_MAPPING_LAYOUT_2D,
 };
 
-void *LoadCompressedMemberFromNARC(u32 narcID, u32 narcMemberIdx, u32 heapID);
-void *LoadMemberFromNARC(u32 narcID, u32 narcMemberIdx, BOOL compressed, u32 heapID, BOOL allocAtEnd);
-void *LoadMemberFromNARC_OutFileSize(u32 narcID, u32 narcMemberIdx, BOOL compressed, u32 heapID, BOOL allocAtEnd, u32 *fileSize);
+void *LoadCompressedMemberFromNARC(enum NarcID narcID, u32 narcMemberIdx, u32 heapID);
+void *LoadMemberFromNARC(enum NarcID narcID, u32 narcMemberIdx, BOOL compressed, u32 heapID, BOOL allocAtEnd);
+void *LoadMemberFromNARC_OutFileSize(enum NarcID narcID, u32 narcMemberIdx, BOOL compressed, u32 heapID, BOOL allocAtEnd, u32 *fileSize);
 void *LoadMemberFromOpenNARC(NARC *narc, u32 narcMemberIdx, BOOL compressed, u32 heapID, BOOL allocAtEnd);
 void *LoadMemberFromOpenNARC_OutFileSize(NARC *narc, u32 narcMemberIdx, BOOL compressed, u32 heapID, BOOL allocAtEnd, u32 *fileSize);
 
-u32 Graphics_LoadTilesToBgLayer(u32 narcID, u32 narcMemberIdx, BgConfig *bgConfig, u32 bgLayer, u32 offset, u32 size, BOOL compressed, u32 heapID);
-void Graphics_LoadTilemapToBgLayer(u32 narcID, u32 narcMemberIdx, BgConfig *bgConfig, u32 bgLayer, u32 offset, u32 size, BOOL compressed, u32 heapID);
-void Graphics_LoadPalette(u32 narcID, u32 narcMemberIdx, enum PaletteLoadLocation loadLocation, u32 palOffset, u32 size, u32 heapID);
-void Graphics_LoadPaletteWithSrcOffset(u32 narcID, u32 narcMemberIdx, enum PaletteLoadLocation loadLocation, u32 srcOffset, u32 palOffset, u32 size, u32 heapID);
-u32 Graphics_LoadObjectTiles(u32 narcID, u32 narcMemberIdx, enum DSScreen display, u32 offset, u32 size, BOOL compressed, u32 heapID);
-void Graphics_LoadPartialPalette(u32 narcID, u32 narcMemberIdx, NNS_G2D_VRAM_TYPE vramType, u32 baseAddr, u32 heapID, NNSG2dImagePaletteProxy *paletteProxy);
-u32 Graphics_LoadImageMapping(u32 narcID, u32 narcMemberIdx, BOOL compressed, enum ImageMappingLayout layout, u32 size, NNS_G2D_VRAM_TYPE vramType, u32 baseAddr, u32 heapID, NNSG2dImageProxy *imageProxy);
-void Graphics_LoadImageMappingAndSetVramMode(u32 narcID, u32 narcMemberIdx, BOOL compressed, enum ImageMappingLayout layout, u32 size, NNS_G2D_VRAM_TYPE vramType, u32 baseAddr, u32 heapID, NNSG2dImageProxy *imageProxy);
+u32 Graphics_LoadTilesToBgLayer(enum NarcID narcID, u32 narcMemberIdx, BgConfig *bgConfig, u32 bgLayer, u32 offset, u32 size, BOOL compressed, u32 heapID);
+void Graphics_LoadTilemapToBgLayer(enum NarcID narcID, u32 narcMemberIdx, BgConfig *bgConfig, u32 bgLayer, u32 offset, u32 size, BOOL compressed, u32 heapID);
+void Graphics_LoadPalette(enum NarcID narcID, u32 narcMemberIdx, enum PaletteLoadLocation loadLocation, u32 palOffset, u32 size, u32 heapID);
+void Graphics_LoadPaletteWithSrcOffset(enum NarcID narcID, u32 narcMemberIdx, enum PaletteLoadLocation loadLocation, u32 srcOffset, u32 palOffset, u32 size, u32 heapID);
+u32 Graphics_LoadObjectTiles(enum NarcID narcID, u32 narcMemberIdx, enum DSScreen display, u32 offset, u32 size, BOOL compressed, u32 heapID);
+void Graphics_LoadPartialPalette(enum NarcID narcID, u32 narcMemberIdx, NNS_G2D_VRAM_TYPE vramType, u32 baseAddr, u32 heapID, NNSG2dImagePaletteProxy *paletteProxy);
+u32 Graphics_LoadImageMapping(enum NarcID narcID, u32 narcMemberIdx, BOOL compressed, enum ImageMappingLayout layout, u32 size, NNS_G2D_VRAM_TYPE vramType, u32 baseAddr, u32 heapID, NNSG2dImageProxy *imageProxy);
+void Graphics_LoadImageMappingAndSetVramMode(enum NarcID narcID, u32 narcMemberIdx, BOOL compressed, enum ImageMappingLayout layout, u32 size, NNS_G2D_VRAM_TYPE vramType, u32 baseAddr, u32 heapID, NNSG2dImageProxy *imageProxy);
 
-void *Graphics_GetCharData(u32 narcID, u32 narcMemberIdx, BOOL compressed, NNSG2dCharacterData **outCharData, u32 heapID);
-void *Graphics_GetScrnData(u32 narcID, u32 narcMemberIdx, BOOL compressed, NNSG2dScreenData **outScreenData, u32 heapID);
-void *Graphics_GetPlttData(u32 narcID, u32 narcMemberIdx, NNSG2dPaletteData **outPaletteData, u32 heapID);
-void *Graphics_GetCellBank(u32 narcID, u32 narcMemberIdx, BOOL compressed, NNSG2dCellDataBank **outCellBank, u32 heapID);
-void *Graphics_GetAnimBank(u32 narcID, u32 narcMemberIdx, BOOL compressed, NNSG2dAnimBankData **outAnimBank, u32 heapID);
+void *Graphics_GetCharData(enum NarcID narcID, u32 narcMemberIdx, BOOL compressed, NNSG2dCharacterData **outCharData, u32 heapID);
+void *Graphics_GetScrnData(enum NarcID narcID, u32 narcMemberIdx, BOOL compressed, NNSG2dScreenData **outScreenData, u32 heapID);
+void *Graphics_GetPlttData(enum NarcID narcID, u32 narcMemberIdx, NNSG2dPaletteData **outPaletteData, u32 heapID);
+void *Graphics_GetCellBank(enum NarcID narcID, u32 narcMemberIdx, BOOL compressed, NNSG2dCellDataBank **outCellBank, u32 heapID);
+void *Graphics_GetAnimBank(enum NarcID narcID, u32 narcMemberIdx, BOOL compressed, NNSG2dAnimBankData **outAnimBank, u32 heapID);
 
 u32 Graphics_LoadTilesToBgLayerFromOpenNARC(NARC *narc, u32 narcMemberIdx, BgConfig *bgConfig, u32 bgLayer, u32 offset, u32 size, BOOL compressed, u32 heapID);
 void Graphics_LoadTilemapToBgLayerFromOpenNARC(NARC *narc, u32 narcMemberIdx, BgConfig *bgConfig, u32 bgLayer, u32 offset, u32 size, BOOL compressed, u32 heapID);
diff --git a/include/message.h b/include/message.h
index b0624a04db..5cad3b83e2 100644
--- a/include/message.h
+++ b/include/message.h
@@ -43,7 +43,7 @@ enum MessageLoaderType {
  * @param heapID    Which heap will own the allocation.
  * @return Allocated message data.
  */
-MessageBank *MessageBank_Load(u32 param0, u32 param1, u32 param2);
+MessageBank *MessageBank_Load(enum NarcID narcID, u32 param1, u32 param2);
 
 /**
  * @brief Free allocated message data back to the heap.
@@ -72,7 +72,7 @@ void MessageBank_Get(const MessageBank *bank, u32 entryID, charcode_t *dst);
  * @param heapID    Heap on which to allocate the loaded archive.
  * @param dst       Destination character buffer.
  */
-void MessageBank_GetFromNARC(u32 narcID, u32 bankID, u32 entryID, u32 heapID, charcode_t *dst);
+void MessageBank_GetFromNARC(enum NarcID narcID, u32 bankID, u32 entryID, u32 heapID, charcode_t *dst);
 
 /**
  * @brief Get an entry out of the pre-loaded message bank and copy it into the
@@ -105,7 +105,7 @@ Strbuf *MessageBank_GetNewStrbuf(const MessageBank *bank, u32 entryID, u32 heapI
  * @param heapID    Heap on which to allocate the loaded archive.
  * @param strbuf    Destination Strbuf struct.
  */
-void MessageBank_GetStrbufFromNARC(u32 narcID, u32 bankID, u32 entryID, u32 heapID, Strbuf *strbuf);
+void MessageBank_GetStrbufFromNARC(enum NarcID narcID, u32 bankID, u32 entryID, u32 heapID, Strbuf *strbuf);
 
 /**
  * @brief Load a message bank from an archive, then load an entry from that bank
@@ -129,7 +129,7 @@ void MessageBank_GetStrbufFromHandle(NARC *narc, u32 bankID, u32 entryID, u32 he
  * @param heapID    Heap on which to allocate the loaded archive.
  * @return A newly-allocated Strbuf struct containing the loaded bank entry.
  */
-Strbuf *MessageBank_GetNewStrbufFromNARC(u32 narcID, u32 bankID, u32 entryID, u32 heapID);
+Strbuf *MessageBank_GetNewStrbufFromNARC(enum NarcID narcID, u32 bankID, u32 entryID, u32 heapID);
 
 /**
  * @brief Load a message bank from an archive, then load an entry from that bank
@@ -158,7 +158,7 @@ u32 MessageBank_EntryCount(const MessageBank *bank);
  * @param bankID    Index of the bank to load from the archive.
  * @return Number of entries in the loaded bank.
  */
-u32 MessageBank_NARCEntryCount(u32 narcID, u32 bankID);
+u32 MessageBank_NARCEntryCount(enum NarcID narcID, u32 bankID);
 
 /**
  * @brief Initialize a new MessageLoader struct targeting a given archive and
@@ -170,7 +170,7 @@ u32 MessageBank_NARCEntryCount(u32 narcID, u32 bankID);
  * @param heapID    Heap on which to allocate the loaded archive.
  * @return Initialized MessageLoader struct.
  */
-MessageLoader *MessageLoader_Init(enum MessageLoaderType type, u32 narcID, u32 bankID, u32 heapID);
+MessageLoader *MessageLoader_Init(enum MessageLoaderType type, enum NarcID narcID, u32 bankID, u32 heapID);
 
 /**
  * @brief Free a MessageLoader struct back to its owning heap.
diff --git a/include/narc.h b/include/narc.h
index 21dcd44037..96bfb046ec 100644
--- a/include/narc.h
+++ b/include/narc.h
@@ -20,40 +20,40 @@ typedef struct NARC {
  * Reads the entire content of an archive member into an existing buffer
  *
  * @param dest:           Pointer to destination buffer, should be large enough to hold the data
- * @param narcIndex:      Index of NARC to read
+ * @param narcID:      Index of NARC to read
  * @param memebrIndex:    Index of FAT member within the NARC
  */
-void NARC_ReadWholeMemberByIndexPair(void *dest, int narcIndex, int memberIndex);
+void NARC_ReadWholeMemberByIndexPair(void *dest, enum NarcID narcID, int memberIndex);
 
 /*
  * Creates a new buffer large enough to hold the content of the archive member, then reads its data.
  * The AllocAtEnd variant is preferred for very short-lived buffers.
  *
- * @param narcIndex:      Index of NARC to read
+ * @param narcID:      Index of NARC to read
  * @param memberIndex:    Index of FAT member within the NARC
  * @param heapID:         ID of the heap to alloc from
  *
  * @returns: Pointer to the allocated buffer which contains the data that was read.
  */
-void *NARC_AllocAndReadWholeMemberByIndexPair(int narcIndex, int memberIndex, int heapID);
-void *NARC_AllocAtEndAndReadWholeMemberByIndexPair(int narcIndex, int memberIndex, int heapID);
+void *NARC_AllocAndReadWholeMemberByIndexPair(enum NarcID narcID, int memberIndex, int heapID);
+void *NARC_AllocAtEndAndReadWholeMemberByIndexPair(enum NarcID narcID, int memberIndex, int heapID);
 
 /*
  * Reads a portion of an archive member into an existing buffer
  *
  * @param dest:           Pointer to destination buffer, should be large enough to hold the data
- * @param narcIndex:      Index of NARC to read
+ * @param narcID:      Index of NARC to read
  * @param memberIndex:    Index of FAT member within the NARC
  * @param offset:         Byte offset to start reading, relative to start of member, up to the end of member
  * @param bytesToRead:    Number of bytes to read, up to the total bytesToRead of member minus offset
  */
-void NARC_ReadFromMemberByIndexPair(void *dest, int narcIndex, int memberIndex, int offset, int bytesToRead);
+void NARC_ReadFromMemberByIndexPair(void *dest, enum NarcID narcID, int memberIndex, int offset, int bytesToRead);
 
 /*
  * Creates a new buffer large enough to hold the size of the data to read, then reads the specified data slice.
  * The AllocAtEnd variant is preferred for very short-lived buffers.
  *
- * @param narcIndex:      Index of NARC to read
+ * @param narcID:      Index of NARC to read
  * @param memberIndex:    Index of FAT member within the NARC
  * @param heapID:         ID of the heap to alloc from
  * @param offset:         Byte offset to start reading, relative to start of member, up to the end of member
@@ -61,30 +61,30 @@ void NARC_ReadFromMemberByIndexPair(void *dest, int narcIndex, int memberIndex,
  *
  * @returns: Pointer to the allocated buffer which contains the data that was read.
  */
-void *NARC_AllocAndReadFromMemberByIndexPair(int narcIndex, int memberIndex, int heapID, int offset, int bytesToRead);
-void *NARC_AllocAtEndAndReadFromMemberByIndexPair(int narcIndex, int memberIndex, int heapID, int offset, int bytesToRead);
+void *NARC_AllocAndReadFromMemberByIndexPair(enum NarcID narcID, int memberIndex, int heapID, int offset, int bytesToRead);
+void *NARC_AllocAtEndAndReadFromMemberByIndexPair(enum NarcID narcID, int memberIndex, int heapID, int offset, int bytesToRead);
 
 /*
  * Gets the size of a NARC member. Useful when managing the read buffer yourself and the NARC has variable
  * sized members.
  *
- * @param narcIndex:      Index of NARC to read
+ * @param narcID:      Index of NARC to read
  * @param memberIndex:    Index of FAT member within the NARC
  *
  * @returns: Size in bytes of the member
  */
-u32 NARC_GetMemberSizeByIndexPair(int narcIndex, int memberIndex);
+u32 NARC_GetMemberSizeByIndexPair(enum NarcID narcID, int memberIndex);
 
 /*
  * Constructs a new NARC which contains an open FSFile to the corresponding archive.
  * Useful to reduce overhead when reading from the same NARC multiple times.
  *
- * @param narcIndex:    Index of NARC to open
+ * @param narcID:    Index of NARC to open
  * @param heapID:       ID of the heap to alloc from
  *
  * @returns: Pointer to the newly-allocated NARC
  */
-NARC *NARC_ctor(u32 narcIndex, u32 heapID);
+NARC *NARC_ctor(enum NarcID narcID, u32 heapID);
 
 /*
  * Closes the wrapped FSFile and returns the NARC allocation to the heap from whence it came.
diff --git a/include/overlay017/ov17_0224F080.h b/include/overlay017/ov17_0224F080.h
index 695701e531..9e0c083688 100644
--- a/include/overlay017/ov17_0224F080.h
+++ b/include/overlay017/ov17_0224F080.h
@@ -3,13 +3,15 @@
 
 #include <nnsys.h>
 
+#include "constants/narc.h"
+
 #include "sprite_system.h"
 
 u32 ov17_0224F080(int param0);
 u32 ov17_0224F098(void);
 u32 ov17_0224F09C(void);
 u8 ov17_0224F0A0(int param0);
-u32 ov17_0224F0B8(void);
+enum NarcID ov17_0224F0B8(void);
 void ov17_0224F0BC(SpriteSystem *param0, SpriteManager *param1, NNS_G2D_VRAM_TYPE param2, int param3, u32 param4);
 void ov17_0224F0F0(SpriteSystem *param0, SpriteManager *param1, u32 param2, u32 param3);
 void ov17_0224F138(SpriteManager *param0, u32 param1);
diff --git a/include/overlay025/ov25_02255540.h b/include/overlay025/ov25_02255540.h
index 007b34a90e..92c616283d 100644
--- a/include/overlay025/ov25_02255540.h
+++ b/include/overlay025/ov25_02255540.h
@@ -4,6 +4,7 @@
 #include <nnsys.h>
 
 #include "constants/heap.h"
+#include "constants/narc.h"
 
 #include "overlay025/struct_ov25_022555E8_decl.h"
 #include "overlay025/struct_ov25_02255810.h"
@@ -26,7 +27,7 @@ void ov25_02255938(UnkStruct_ov25_022558C4 *param0, u32 param1);
 void ov25_02255940(UnkStruct_ov25_022558C4 *param0, u32 param1);
 void ov25_02255948(UnkStruct_ov25_022558C4 *param0, BOOL param1);
 void ov25_02255950(UnkStruct_ov25_022558C4 *param0, u16 param1);
-BOOL ov25_02255958(UnkStruct_ov25_02255958 *param0, u32 param1, u32 param2, u32 param3, enum HeapId param4);
+BOOL ov25_02255958(UnkStruct_ov25_02255958 *param0, enum NarcID narcID, u32 param2, u32 param3, enum HeapId param4);
 void ov25_022559B0(UnkStruct_ov25_02255958 *param0);
 
 #endif // POKEPLATINUM_OV25_02255540_H
diff --git a/include/palette.h b/include/palette.h
index 4ecd4f99c7..359ea25a13 100644
--- a/include/palette.h
+++ b/include/palette.h
@@ -2,6 +2,7 @@
 #define POKEPLATINUM_PALETTE_H
 
 #include "constants/heap.h"
+#include "constants/narc.h"
 
 #define SLOTS_PER_PALETTE      16
 #define PALETTE_SIZE           (SLOTS_PER_PALETTE)
@@ -89,7 +90,7 @@ typedef struct PaletteData {
     u8 forceExit;
 } PaletteData;
 
-void LoadPaletteFromFile(u32 narcID, u32 narcMemberIdx, u32 heapID, u32 size, u16 start, void *dest);
+void LoadPaletteFromFile(enum NarcID narcID, u32 narcMemberIdx, u32 heapID, u32 size, u16 start, void *dest);
 void BlendPalette(const u16 *src, u16 *dest, u16 size, u8 fraction, u16 target);
 void BlendPalettes(const u16 *sources, u16 *dests, u16 toBlend, u8 fraction, u16 target);
 void TintPalette(u16 *palette, int numColorsToTint, int tintR, int tintG, int tintB);
@@ -100,9 +101,9 @@ void PaletteData_InitBuffer(PaletteData *paletteData, enum PaletteBufferID buffe
 void PaletteData_AllocBuffer(PaletteData *paletteData, enum PaletteBufferID bufferID, u32 size, u32 heapID);
 void PaletteData_FreeBuffer(PaletteData *paletteData, enum PaletteBufferID bufferID);
 void PaletteData_LoadBuffer(PaletteData *paletteData, const void *src, enum PaletteBufferID bufferID, u16 destStart, u16 srcSize);
-void PaletteData_LoadBufferFromFile(PaletteData *paletteData, u32 narcID, u32 narcMemberIdx, u32 heapID, enum PaletteBufferID bufferID, u32 srcSize, u16 destStart, u16 srcStart);
-void PaletteData_LoadBufferFromFileStart(PaletteData *paletteData, u32 narcID, u32 narcMemberIdx, u32 heapID, enum PaletteBufferID bufferID, u32 srcSize, u16 destStart);
-void PaletteData_LoadBufferFromFileStartWithTint(PaletteData *paletteData, u32 narcID, u32 narcMemberIdx, u32 heapID, enum PaletteBufferID bufferID, u32 size, u16 start, int r, int g, int b);
+void PaletteData_LoadBufferFromFile(PaletteData *paletteData, enum NarcID narcID, u32 narcMemberIdx, u32 heapID, enum PaletteBufferID bufferID, u32 srcSize, u16 destStart, u16 srcStart);
+void PaletteData_LoadBufferFromFileStart(PaletteData *paletteData, enum NarcID narcID, u32 narcMemberIdx, u32 heapID, enum PaletteBufferID bufferID, u32 srcSize, u16 destStart);
+void PaletteData_LoadBufferFromFileStartWithTint(PaletteData *paletteData, enum NarcID narcID, u32 narcMemberIdx, u32 heapID, enum PaletteBufferID bufferID, u32 size, u16 start, int r, int g, int b);
 void PaletteData_LoadBufferFromHardware(PaletteData *paletteData, enum PaletteBufferID bufferID, u16 start, u32 size);
 void PaletteData_CopyBuffer(PaletteData *palette, enum PaletteBufferID srcBufferID, u16 srcStart, enum PaletteBufferID destBufferID, u16 destStart, u16 size);
 u16 *PaletteData_GetUnfadedBuffer(PaletteData *palette, enum PaletteBufferID bufferID);
diff --git a/include/pokedex_data_index.h b/include/pokedex_data_index.h
index f280c96e2f..dadbedf0a1 100644
--- a/include/pokedex_data_index.h
+++ b/include/pokedex_data_index.h
@@ -1,8 +1,10 @@
 #ifndef POKEPLATINUM_POKEDEX_DATA_INDEX_H
 #define POKEPLATINUM_POKEDEX_DATA_INDEX_H
 
+#include "constants/narc.h"
+
 void Pokedex_SetupGiratina(u32 param0);
-u32 Pokedex_Data_NARC_Index(void);
+enum NarcID Pokedex_Data_NARC_Index(void);
 u32 Weight_Message_Bank_Index(void);
 u32 Height_Message_Bank_Index(void);
 
diff --git a/include/pokemon_sprite.h b/include/pokemon_sprite.h
index 3d644d614f..35412ab3e9 100644
--- a/include/pokemon_sprite.h
+++ b/include/pokemon_sprite.h
@@ -4,6 +4,7 @@
 #include <nnsys.h>
 
 #include "constants/heap.h"
+#include "constants/narc.h"
 
 #include "struct_defs/sprite_animation_frame.h"
 
@@ -65,7 +66,7 @@ typedef struct PokemonSpriteTransforms PokemonSpriteTransforms;
 typedef void(PokemonSpriteCallback)(PokemonSprite *, PokemonSpriteTransforms *);
 
 typedef struct PokemonSpriteTemplate {
-    u16 archive; //< ID of the sprite archive
+    u16 narcID; //< ID of the sprite archive
     u16 character; //< File index to pull from the archive for the character data (tiles)
     u16 palette; //< File index to pull from the archive for the palette data
     u16 spindaSpots; //< Simple flag denoting whether the rendered sprite should be pseudo-randomized with splotches (only for Spinda's front-sprite).
@@ -222,7 +223,7 @@ void PokemonSpriteManager_ClearHideShadows(PokemonSpriteManager *monSpriteMan, u
 void PokemonSprite_DrawSpindaSpots(u8 *rawCharData, u32 personality, BOOL isAnimated);
 void PokemonSprite_DecryptPt(u8 *rawCharData);
 void PokemonSprite_DecryptDP(u8 *rawCharData);
-void PokemonSprite_Decrypt(u8 *rawCharData, int narcID);
+void PokemonSprite_Decrypt(u8 *rawCharData, enum NarcID narcID);
 
 inline void PokemonSpriteManager_HideShadows(PokemonSpriteManager *monSpriteMan)
 {
diff --git a/include/sprite_resource.h b/include/sprite_resource.h
index 35d6fce96d..01c857a85a 100644
--- a/include/sprite_resource.h
+++ b/include/sprite_resource.h
@@ -40,7 +40,7 @@ typedef struct SpriteResourceTableEntryFile {
 } SpriteResourceTableEntryFile;
 
 typedef struct SpriteResourceTableEntryNARC {
-    int narcIndex;
+    enum NarcID narcID;
     int memberIndex;
     BOOL compressed;
     int id;
@@ -65,11 +65,11 @@ typedef struct SpriteResourceList {
 SpriteResourceCollection *SpriteResourceCollection_New(int capacity, enum SpriteResourceType type, enum HeapId heapID);
 void SpriteResourceCollection_Delete(SpriteResourceCollection *spriteResources);
 SpriteResource *SpriteResourceCollection_AddFromTable(SpriteResourceCollection *spriteResources, const SpriteResourceTable *table, int index, enum HeapId heapID);
-SpriteResource *SpriteResourceCollection_AddTiles(SpriteResourceCollection *spriteResources, int narcIdx, int memberIdx, BOOL compressed, int id, NNS_G2D_VRAM_TYPE vramType, enum HeapId heapID);
-SpriteResource *SpriteResourceCollection_AddPalette(SpriteResourceCollection *spriteResources, int narcIdx, int memberIdx, BOOL compressed, int id, NNS_G2D_VRAM_TYPE vramType, int paletteIdx, enum HeapId heapID);
-SpriteResource *SpriteResourceCollection_Add(SpriteResourceCollection *spriteResources, int narcIdx, int memberIdx, BOOL compressed, int id, enum SpriteResourceType type, enum HeapId heapID);
-void SpriteResourceCollection_ModifyTiles(SpriteResourceCollection *spriteResources, SpriteResource *spriteRes, int narcIdx, int memberIdx, BOOL compressed, enum HeapId heapID);
-void SpriteResourceCollection_ModifyPalette(SpriteResourceCollection *spriteResources, SpriteResource *spriteRes, int narcIdx, int memberIdx, BOOL compressed, enum HeapId heapID);
+SpriteResource *SpriteResourceCollection_AddTiles(SpriteResourceCollection *spriteResources, enum NarcID narcID, int memberIdx, BOOL compressed, int id, NNS_G2D_VRAM_TYPE vramType, enum HeapId heapID);
+SpriteResource *SpriteResourceCollection_AddPalette(SpriteResourceCollection *spriteResources, enum NarcID narcID, int memberIdx, BOOL compressed, int id, NNS_G2D_VRAM_TYPE vramType, int paletteIdx, enum HeapId heapID);
+SpriteResource *SpriteResourceCollection_Add(SpriteResourceCollection *spriteResources, enum NarcID narcID, int memberIdx, BOOL compressed, int id, enum SpriteResourceType type, enum HeapId heapID);
+void SpriteResourceCollection_ModifyTiles(SpriteResourceCollection *spriteResources, SpriteResource *spriteRes, enum NarcID narcID, int memberIdx, BOOL compressed, enum HeapId heapID);
+void SpriteResourceCollection_ModifyPalette(SpriteResourceCollection *spriteResources, SpriteResource *spriteRes, enum NarcID narcID, int memberIdx, BOOL compressed, enum HeapId heapID);
 SpriteResource *SpriteResourceCollection_AddTilesFrom(SpriteResourceCollection *spriteResources, NARC *narc, int memberIdx, BOOL compressed, int id, NNS_G2D_VRAM_TYPE vramType, enum HeapId heapID);
 SpriteResource *SpriteResourceCollection_AddTilesFromEx(SpriteResourceCollection *spriteResources, NARC *narc, int memberIdx, BOOL compressed, int id, NNS_G2D_VRAM_TYPE vramType, enum HeapId heapID, BOOL allocAtEnd);
 SpriteResource *SpriteResourceCollection_AddPaletteFrom(SpriteResourceCollection *spriteResources, NARC *narc, int memberIdx, BOOL compressed, int id, NNS_G2D_VRAM_TYPE vramType, int paletteIdx, enum HeapId heapID);
diff --git a/include/sprite_system.h b/include/sprite_system.h
index 7ec1b15995..28e59b40ba 100644
--- a/include/sprite_system.h
+++ b/include/sprite_system.h
@@ -105,15 +105,15 @@ void SpriteSystem_Free(SpriteSystem *spriteSys);
 BOOL SpriteSystem_LoadResourceDataFromFilepaths(SpriteSystem *spriteSys, SpriteManager *spriteMan, const SpriteResourceDataPaths *paths);
 Sprite *SpriteSystem_NewSpriteFromResourceHeader(SpriteSystem *spriteSys, SpriteManager *spriteMan, const SpriteTemplateFromResourceHeader *template);
 BOOL SpriteSystem_InitManagerWithCapacities(SpriteSystem *spriteSys, SpriteManager *spriteMan, const SpriteResourceCapacities *capacities);
-BOOL SpriteSystem_LoadCharResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, int narcID, int memberIdx, BOOL compressed, enum NNS_G2D_VRAM_TYPE vramType, int resourceID);
+BOOL SpriteSystem_LoadCharResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, enum NarcID narcID, int memberIdx, BOOL compressed, enum NNS_G2D_VRAM_TYPE vramType, int resourceID);
 BOOL SpriteSystem_LoadCharResObjFromOpenNarc(SpriteSystem *spriteSys, SpriteManager *spriteMan, NARC *narc, int memberIdx, BOOL compressed, enum NNS_G2D_VRAM_TYPE vramType, int resourceID);
-s8 SpriteSystem_LoadPlttResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, int narcID, int memberIdx, BOOL compressed, int paletteIdx, enum NNS_G2D_VRAM_TYPE vramType, int resourceID);
+s8 SpriteSystem_LoadPlttResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, enum NarcID narcID, int memberIdx, BOOL compressed, int paletteIdx, enum NNS_G2D_VRAM_TYPE vramType, int resourceID);
 s8 SpriteSystem_LoadPlttResObjFromOpenNarc(SpriteSystem *spriteSys, SpriteManager *spriteMan, NARC *narc, int memberIdx, BOOL compressed, int paletteIdx, enum NNS_G2D_VRAM_TYPE vramType, int resourceID);
-u8 SpriteSystem_LoadPaletteBuffer(PaletteData *paletteData, enum PaletteBufferID bufferID, SpriteSystem *spriteSys, SpriteManager *spriteMan, int narcID, int memberIdx, BOOL compressed, int paletteIdx, enum NNS_G2D_VRAM_TYPE vramType, int resourceID);
+u8 SpriteSystem_LoadPaletteBuffer(PaletteData *paletteData, enum PaletteBufferID bufferID, SpriteSystem *spriteSys, SpriteManager *spriteMan, enum NarcID narcID, int memberIdx, BOOL compressed, int paletteIdx, enum NNS_G2D_VRAM_TYPE vramType, int resourceID);
 u8 SpriteSystem_LoadPaletteBufferFromOpenNarc(PaletteData *paletteData, enum PaletteBufferID bufferID, SpriteSystem *spriteSys, SpriteManager *spriteMan, NARC *narc, int memberIdx, BOOL compressed, int paletteIdx, enum NNS_G2D_VRAM_TYPE vramType, int resourceID);
-BOOL SpriteSystem_LoadCellResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, int narcID, int memberIdx, BOOL compressed, int resourceID);
+BOOL SpriteSystem_LoadCellResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, enum NarcID narcID, int memberIdx, BOOL compressed, int resourceID);
 BOOL SpriteSystem_LoadCellResObjFromOpenNarc(SpriteSystem *spriteSys, SpriteManager *spriteMan, NARC *narc, int memberIdx, BOOL compressed, int resourceID);
-BOOL SpriteSystem_LoadAnimResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, int narcID, int memberIdx, BOOL compressed, int resourceID);
+BOOL SpriteSystem_LoadAnimResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, enum NarcID narcID, int memberIdx, BOOL compressed, int resourceID);
 BOOL SpriteSystem_LoadAnimResObjFromOpenNarc(SpriteSystem *spriteSys, SpriteManager *spriteMan, NARC *narc, int memberIdx, BOOL compressed, int resourceID);
 ManagedSprite *SpriteSystem_NewSprite(SpriteSystem *spriteSys, SpriteManager *spriteMan, const SpriteTemplate *template);
 const NNSG2dImagePaletteProxy *SpriteManager_FindPlttResourceProxy(SpriteManager *spriteMan, int resourceID);
@@ -177,11 +177,11 @@ void ManagedSprite_SetMosaicFlag(ManagedSprite *managedSprite, BOOL mosaic);
 void Sprite_SetExplicitOamMode2(Sprite *sprite, GXOamMode mode);
 void ManagedSprite_SetExplicitOamMode(ManagedSprite *managedSprite, GXOamMode mode);
 u32 ManagedSprite_GetUserAttrForCurrentAnimFrame(ManagedSprite *managedSprite);
-BOOL SpriteSystem_LoadCharResObjWithHardwareMappingType(SpriteSystem *spriteSys, SpriteManager *spriteMan, int narcID, int memberIdx, BOOL compressed, enum NNS_G2D_VRAM_TYPE vramType, int resourceID);
-BOOL SpriteSystem_LoadCharResObjAtEndWithHardwareMappingType(SpriteSystem *spriteSys, SpriteManager *spriteMan, int narcID, int memberIdx, BOOL compressed, enum NNS_G2D_VRAM_TYPE vramType, int resourceID);
+BOOL SpriteSystem_LoadCharResObjWithHardwareMappingType(SpriteSystem *spriteSys, SpriteManager *spriteMan, enum NarcID narcID, int memberIdx, BOOL compressed, enum NNS_G2D_VRAM_TYPE vramType, int resourceID);
+BOOL SpriteSystem_LoadCharResObjAtEndWithHardwareMappingType(SpriteSystem *spriteSys, SpriteManager *spriteMan, enum NarcID narcID, int memberIdx, BOOL compressed, enum NNS_G2D_VRAM_TYPE vramType, int resourceID);
 BOOL SpriteSystem_LoadCharResObjFromOpenNarcWithHardwareMappingType(SpriteSystem *spriteSys, SpriteManager *spriteMan, NARC *narc, int memberIdx, BOOL compressed, enum NNS_G2D_VRAM_TYPE vramType, int resourceID);
-void SpriteSystem_ReplaceCharResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, int narcID, int memberIdx, BOOL compressed, int resourceID);
-void SpriteSystem_ReplacePlttResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, int narcID, int memberIdx, BOOL compressed, int resourceID);
+void SpriteSystem_ReplaceCharResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, enum NarcID narcID, int memberIdx, BOOL compressed, int resourceID);
+void SpriteSystem_ReplacePlttResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, enum NarcID narcID, int memberIdx, BOOL compressed, int resourceID);
 SpriteList *SpriteManager_GetSpriteList(SpriteManager *spriteMan);
 void SpriteSystem_ReplaceCharResObjFromOpenNarc(SpriteSystem *spriteSys, SpriteManager *spriteMan, NARC *narc, int memberIdx, BOOL compressed, int resourceID);
 
diff --git a/include/unk_0207C908.h b/include/unk_0207C908.h
index 80ff2e11d6..b2ce5a284b 100644
--- a/include/unk_0207C908.h
+++ b/include/unk_0207C908.h
@@ -11,7 +11,7 @@ u32 sub_0207C920(void);
 u32 sub_0207C924(void);
 u32 sub_0207C928(void);
 u8 sub_0207C92C(int param0);
-u32 sub_0207C944(void);
+enum NarcID sub_0207C944(void);
 void sub_0207C948(SpriteSystem *param0, SpriteManager *param1, NNS_G2D_VRAM_TYPE param2, int param3, u32 param4);
 void sub_0207C97C(SpriteSystem *param0, SpriteManager *param1, NNS_G2D_VRAM_TYPE param2, u32 param3);
 void sub_0207C9B0(PaletteData *param0, int param1, SpriteSystem *param2, SpriteManager *param3, NNS_G2D_VRAM_TYPE param4, u32 param5);
@@ -23,7 +23,7 @@ ManagedSprite *sub_0207CA58(SpriteSystem *param0, SpriteManager *param1, int par
 void sub_0207CA88(ManagedSprite *param0);
 u32 sub_0207CA90(int param0);
 u8 sub_0207CAA8(int param0);
-u32 sub_0207CAC0(void);
+enum NarcID sub_0207CAC0(void);
 void sub_0207CAC4(SpriteSystem *param0, SpriteManager *param1, NNS_G2D_VRAM_TYPE param2, int param3, u32 param4);
 void sub_0207CAF8(SpriteManager *param0, u32 param1);
 void sub_0207CB00(ManagedSprite *param0);
diff --git a/src/battle/battle_display.c b/src/battle/battle_display.c
index a31091b5f8..5e0f43a61e 100644
--- a/src/battle/battle_display.c
+++ b/src/battle/battle_display.c
@@ -5650,8 +5650,8 @@ static PokemonSprite *ov16_02263B30(BattleSystem *battleSys, PokemonSpriteManage
         v3 = 0;
     }
 
-    sub_02013750(param2->archive, param2->character, HEAP_ID_BATTLE, v1, param2->personality, 0, v3, param2->spindaSpots);
-    ov16_0223F2CC(ov16_0223E0C8(battleSys), param10, param2->archive);
+    sub_02013750(param2->narcID, param2->character, HEAP_ID_BATTLE, v1, param2->personality, 0, v3, param2->spindaSpots);
+    ov16_0223F2CC(ov16_0223E0C8(battleSys), param10, param2->narcID);
     ov16_0223F2E4(ov16_0223E0C8(battleSys), param10, param2->palette);
     ov16_0223F2FC(ov16_0223E0C8(battleSys), param10, param6);
 
diff --git a/src/battle/battle_io_command.c b/src/battle/battle_io_command.c
index 17b38112b2..76ffc258f2 100644
--- a/src/battle/battle_io_command.c
+++ b/src/battle/battle_io_command.c
@@ -738,9 +738,9 @@ static void ov16_0225C684(BattleSystem *battleSys, BattlerData *param1)
     *v2 = v1;
 
     PokemonSprite_ScheduleReloadFromNARC(param1->unk_20);
-    sub_02013750(v2->archive, v2->character, HEAP_ID_BATTLE, ov16_0223F2B8(ov16_0223E0C8(battleSys), param1->battler), v0->unk_08, 0, v4, v2->spindaSpots);
+    sub_02013750(v2->narcID, v2->character, HEAP_ID_BATTLE, ov16_0223F2B8(ov16_0223E0C8(battleSys), param1->battler), v0->unk_08, 0, v4, v2->spindaSpots);
 
-    ov16_0223F2CC(ov16_0223E0C8(battleSys), param1->battler, v2->archive);
+    ov16_0223F2CC(ov16_0223E0C8(battleSys), param1->battler, v2->narcID);
     ov16_0223F2E4(ov16_0223E0C8(battleSys), param1->battler, v2->palette);
 
     v3 = LoadPokemonSpriteYOffset(v0->unk_02, v0->unk_04, v4, v0->unk_01, v0->unk_08);
diff --git a/src/battle/battle_lib.c b/src/battle/battle_lib.c
index 6d5a377052..855ed5bc32 100644
--- a/src/battle/battle_lib.c
+++ b/src/battle/battle_lib.c
@@ -188,31 +188,31 @@ void BattleSystem_ReloadPokemon(BattleSystem *battleSys, BattleContext *battleCt
     }
 }
 
-void BattleSystem_LoadScript(BattleContext *battleCtx, int narc, int file)
+void BattleSystem_LoadScript(BattleContext *battleCtx, enum NarcID narcID, int file)
 {
-    GF_ASSERT(NARC_GetMemberSizeByIndexPair(narc, file) < BATTLE_SCRIPT_SIZE_MAX * sizeof(u32));
+    GF_ASSERT(NARC_GetMemberSizeByIndexPair(narcID, file) < BATTLE_SCRIPT_SIZE_MAX * sizeof(u32));
 
-    battleCtx->scriptNarc = narc;
+    battleCtx->scriptNarc = narcID;
     battleCtx->scriptFile = file;
     battleCtx->scriptCursor = 0;
 
-    NARC_ReadWholeMemberByIndexPair(&battleCtx->battleScript, narc, file);
+    NARC_ReadWholeMemberByIndexPair(&battleCtx->battleScript, narcID, file);
 }
 
-void BattleSystem_CallScript(BattleContext *battleCtx, int narc, int file)
+void BattleSystem_CallScript(BattleContext *battleCtx, enum NarcID narcID, int file)
 {
-    GF_ASSERT(NARC_GetMemberSizeByIndexPair(narc, file) < 400 * 4);
+    GF_ASSERT(NARC_GetMemberSizeByIndexPair(narcID, file) < 400 * 4);
     GF_ASSERT(battleCtx->scriptStackPointer < 4);
 
     battleCtx->scriptStackNarc[battleCtx->scriptStackPointer] = battleCtx->scriptNarc;
     battleCtx->scriptStackFile[battleCtx->scriptStackPointer] = battleCtx->scriptFile;
     battleCtx->scriptStackCursor[battleCtx->scriptStackPointer] = battleCtx->scriptCursor;
     battleCtx->scriptStackPointer++;
-    battleCtx->scriptNarc = narc;
+    battleCtx->scriptNarc = narcID;
     battleCtx->scriptFile = file;
     battleCtx->scriptCursor = 0;
 
-    NARC_ReadWholeMemberByIndexPair(&battleCtx->battleScript, narc, file);
+    NARC_ReadWholeMemberByIndexPair(&battleCtx->battleScript, narcID, file);
 }
 
 BOOL BattleSystem_PopScript(BattleContext *battleCtx)
diff --git a/src/battle/battle_script.c b/src/battle/battle_script.c
index 541db1384f..450a39df23 100644
--- a/src/battle/battle_script.c
+++ b/src/battle/battle_script.c
@@ -309,8 +309,8 @@ static BOOL BtlCmd_End(BattleSystem *battleSys, BattleContext *battleCtx);
 
 static int BattleScript_Read(BattleContext *battleCtx);
 static void BattleScript_Iter(BattleContext *battleCtx, int i);
-static void BattleScript_Jump(BattleContext *battleCtx, int narc, int file);
-static void BattleScript_Call(BattleContext *battleCtx, int narc, int file);
+static void BattleScript_Jump(BattleContext *battleCtx, enum NarcID narcID, int file);
+static void BattleScript_Call(BattleContext *battleCtx, enum NarcID narcID, int file);
 static void *BattleScript_VarAddress(BattleSystem *battleSys, BattleContext *battleCtx, int var);
 static int BattleScript_Battler(BattleSystem *battleSys, BattleContext *battleCtx, int battlerIn);
 static void BattleScript_CalcMoveDamage(BattleSystem *battleSys, BattleContext *battleCtx);
@@ -9714,12 +9714,12 @@ static void BattleScript_Iter(BattleContext *battleCtx, int i)
  * current execution.
  *
  * @param battleCtx
- * @param narc          Which NARC to open for the script
+ * @param narcID        Which NARC to open for the script
  * @param file          Which file in the NARC to load
  */
-static void BattleScript_Jump(BattleContext *battleCtx, int narc, int file)
+static void BattleScript_Jump(BattleContext *battleCtx, enum NarcID narcID, int file)
 {
-    BattleSystem_LoadScript(battleCtx, narc, file);
+    BattleSystem_LoadScript(battleCtx, narcID, file);
 }
 
 /**
@@ -9727,12 +9727,12 @@ static void BattleScript_Jump(BattleContext *battleCtx, int narc, int file)
  * execution once finished with the newly-loaded script.
  *
  * @param battleCtx
- * @param narc          Which NARC to open for the script
+ * @param narcID        Which NARC to open for the script
  * @param file          Which file in the NARC to load
  */
-static void BattleScript_Call(BattleContext *battleCtx, int narc, int file)
+static void BattleScript_Call(BattleContext *battleCtx, enum NarcID narcID, int file)
 {
-    BattleSystem_CallScript(battleCtx, narc, file);
+    BattleSystem_CallScript(battleCtx, narcID, file);
 }
 
 /**
diff --git a/src/easy3d_object.c b/src/easy3d_object.c
index 7b0ef02368..decd641704 100644
--- a/src/easy3d_object.c
+++ b/src/easy3d_object.c
@@ -14,9 +14,9 @@ static void Easy3DModel_BindTexture(SysTask *task, void *param);
 static void Easy3DModel_LoadInternal(Easy3DModel *model);
 static void Easy3DAnim_LoadInternal(Easy3DAnim *anim, const Easy3DModel *model, void *data, NNSFndAllocator *allocator);
 
-void Easy3DModel_Load(Easy3DModel *model, u32 narcIndex, u32 memberIndex, u32 heapID)
+void Easy3DModel_Load(Easy3DModel *model, enum NarcID narcID, u32 memberIndex, u32 heapID)
 {
-    model->data = LoadMemberFromNARC(narcIndex, memberIndex, FALSE, heapID, 0);
+    model->data = LoadMemberFromNARC(narcID, memberIndex, FALSE, heapID, 0);
     Easy3DModel_LoadInternal(model);
 }
 
diff --git a/src/font_manager.c b/src/font_manager.c
index e899dd01f8..03bae55619 100644
--- a/src/font_manager.c
+++ b/src/font_manager.c
@@ -11,7 +11,7 @@
 #include "render_text.h"
 #include "text.h"
 
-static void FontManager_Init(FontManager *fontManager, u32 narcID, u32 arcFileIdx, BOOL isMonospace, u32 heapID);
+static void FontManager_Init(FontManager *fontManager, enum NarcID narcID, u32 arcFileIdx, BOOL isMonospace, u32 heapID);
 static void FontManager_FreeWidthsAndNARC(FontManager *fontManager);
 static void FontManager_LoadGlyphs(FontManager *fontManager, enum GlyphAccessMode glyphAccessMode, u32 heapID);
 static void FontManager_LoadGlyphImmediate(FontManager *fontManager, u32 heapID);
@@ -45,7 +45,7 @@ static void (*const sFreeGlyphFuncs[])(FontManager *fontManager) = {
     [GLYPH_ACCESS_MODE_LAZY] = FontManager_FreeGlyphLazy
 };
 
-FontManager *FontManager_New(u32 narcID, u32 arcFileIdx, enum GlyphAccessMode glyphAccessMode, BOOL isMonospace, u32 heapID)
+FontManager *FontManager_New(enum NarcID narcID, u32 arcFileIdx, enum GlyphAccessMode glyphAccessMode, BOOL isMonospace, u32 heapID)
 {
     FontManager *fontManager = Heap_AllocFromHeap(heapID, sizeof(FontManager));
 
@@ -72,7 +72,7 @@ void FontManager_SwitchGlyphAccessMode(FontManager *fontManager, enum GlyphAcces
     }
 }
 
-static void FontManager_Init(FontManager *fontManager, u32 narcID, u32 arcFileIdx, BOOL isMonospace, u32 heapID)
+static void FontManager_Init(FontManager *fontManager, enum NarcID narcID, u32 arcFileIdx, BOOL isMonospace, u32 heapID)
 {
     fontManager->narc = NARC_ctor(narcID, heapID);
 
diff --git a/src/graphics.c b/src/graphics.c
index f4ba29cc83..e3c16a8f21 100644
--- a/src/graphics.c
+++ b/src/graphics.c
@@ -20,89 +20,89 @@ static void *GetPaletteData(void *nclrBuffer, NNSG2dPaletteData **outPaletteData
 static void *GetCellBank(void *ncerBuffer, NNSG2dCellDataBank **outCellBank);
 static void *GetAnimBank(void *nanrBuffer, NNSG2dAnimBankData **outAnimBank);
 
-u32 Graphics_LoadTilesToBgLayer(u32 narcID, u32 narcMemberIdx, BgConfig *bgConfig, u32 bgLayer, u32 offset, u32 size, BOOL compressed, u32 heapID)
+u32 Graphics_LoadTilesToBgLayer(enum NarcID narcID, u32 narcMemberIdx, BgConfig *bgConfig, u32 bgLayer, u32 offset, u32 size, BOOL compressed, u32 heapID)
 {
     void *ncgrBuffer = LoadMemberFromNARC(narcID, narcMemberIdx, compressed, heapID, FALSE);
     return LoadTilesToBgLayer(ncgrBuffer, bgConfig, bgLayer, offset, size);
 }
 
-void Graphics_LoadTilemapToBgLayer(u32 narcID, u32 narcMemberIdx, BgConfig *bgConfig, u32 bgLayer, u32 offset, u32 size, BOOL compressed, u32 heapID)
+void Graphics_LoadTilemapToBgLayer(enum NarcID narcID, u32 narcMemberIdx, BgConfig *bgConfig, u32 bgLayer, u32 offset, u32 size, BOOL compressed, u32 heapID)
 {
     void *nscrBuffer = LoadMemberFromNARC(narcID, narcMemberIdx, compressed, heapID, TRUE);
     LoadTilemapToBgLayer(nscrBuffer, bgConfig, bgLayer, offset, size);
 }
 
-void Graphics_LoadPalette(u32 narcID, u32 narcMemberIdx, enum PaletteLoadLocation loadLocation, u32 palOffset, u32 size, u32 heapID)
+void Graphics_LoadPalette(enum NarcID narcID, u32 narcMemberIdx, enum PaletteLoadLocation loadLocation, u32 palOffset, u32 size, u32 heapID)
 {
     Graphics_LoadPaletteWithSrcOffset(narcID, narcMemberIdx, loadLocation, 0, palOffset, size, heapID);
 }
 
-void Graphics_LoadPaletteWithSrcOffset(u32 narcID, u32 narcMemberIdx, enum PaletteLoadLocation loadLocation, u32 srcOffset, u32 palOffset, u32 size, u32 heapID)
+void Graphics_LoadPaletteWithSrcOffset(enum NarcID narcID, u32 narcMemberIdx, enum PaletteLoadLocation loadLocation, u32 srcOffset, u32 palOffset, u32 size, u32 heapID)
 {
     void *nclrBuffer = LoadMemberFromNARC(narcID, narcMemberIdx, FALSE, heapID, TRUE);
     LoadPaletteWithSrcOffset(nclrBuffer, loadLocation, srcOffset, palOffset, size);
 }
 
-u32 Graphics_LoadObjectTiles(u32 narcID, u32 narcMemberIdx, enum DSScreen display, u32 offset, u32 size, BOOL compressed, u32 heapID)
+u32 Graphics_LoadObjectTiles(enum NarcID narcID, u32 narcMemberIdx, enum DSScreen display, u32 offset, u32 size, BOOL compressed, u32 heapID)
 {
     void *ncgrBuffer = LoadMemberFromNARC(narcID, narcMemberIdx, compressed, heapID, TRUE);
     return LoadObjectTiles(ncgrBuffer, display, offset, size);
 }
 
-void Graphics_LoadPartialPalette(u32 narcID, u32 narcMemberIdx, NNS_G2D_VRAM_TYPE vramType, u32 baseAddr, u32 heapID, NNSG2dImagePaletteProxy *paletteProxy)
+void Graphics_LoadPartialPalette(enum NarcID narcID, u32 narcMemberIdx, NNS_G2D_VRAM_TYPE vramType, u32 baseAddr, u32 heapID, NNSG2dImagePaletteProxy *paletteProxy)
 {
     void *nclrBuffer = LoadMemberFromNARC(narcID, narcMemberIdx, FALSE, heapID, TRUE);
     LoadPartialPalette(nclrBuffer, vramType, baseAddr, paletteProxy);
 }
 
-u32 Graphics_LoadImageMapping(u32 narcID, u32 narcMemberIdx, BOOL compressed, enum ImageMappingLayout layout, u32 size, NNS_G2D_VRAM_TYPE vramType, u32 baseAddr, u32 heapID, NNSG2dImageProxy *imageProxy)
+u32 Graphics_LoadImageMapping(enum NarcID narcID, u32 narcMemberIdx, BOOL compressed, enum ImageMappingLayout layout, u32 size, NNS_G2D_VRAM_TYPE vramType, u32 baseAddr, u32 heapID, NNSG2dImageProxy *imageProxy)
 {
     void *ncgrBuffer = LoadMemberFromNARC(narcID, narcMemberIdx, compressed, heapID, TRUE);
     return LoadImageMapping(ncgrBuffer, layout, size, vramType, baseAddr, imageProxy);
 }
 
-void Graphics_LoadImageMappingAndSetVramMode(u32 narcID, u32 narcMemberIdx, BOOL compressed, enum ImageMappingLayout layout, u32 size, NNS_G2D_VRAM_TYPE vramType, u32 baseAddr, u32 heapID, NNSG2dImageProxy *imageProxy)
+void Graphics_LoadImageMappingAndSetVramMode(enum NarcID narcID, u32 narcMemberIdx, BOOL compressed, enum ImageMappingLayout layout, u32 size, NNS_G2D_VRAM_TYPE vramType, u32 baseAddr, u32 heapID, NNSG2dImageProxy *imageProxy)
 {
     void *ncgrBuffer = LoadMemberFromNARC(narcID, narcMemberIdx, compressed, heapID, TRUE);
     LoadImageMappingAndSetVramMode(ncgrBuffer, layout, size, vramType, baseAddr, imageProxy);
 }
 
-void *Graphics_GetCharData(u32 narcID, u32 narcMemberIdx, BOOL compressed, NNSG2dCharacterData **outCharData, u32 heapID)
+void *Graphics_GetCharData(enum NarcID narcID, u32 narcMemberIdx, BOOL compressed, NNSG2dCharacterData **outCharData, u32 heapID)
 {
     void *ncgrBuffer = LoadMemberFromNARC(narcID, narcMemberIdx, compressed, heapID, FALSE);
     return GetCharacterData(ncgrBuffer, outCharData);
 }
 
-void *Graphics_GetScrnData(u32 narcID, u32 narcMemberIdx, BOOL compressed, NNSG2dScreenData **outScreenData, u32 heapID)
+void *Graphics_GetScrnData(enum NarcID narcID, u32 narcMemberIdx, BOOL compressed, NNSG2dScreenData **outScreenData, u32 heapID)
 {
     void *nscrBuffer = LoadMemberFromNARC(narcID, narcMemberIdx, compressed, heapID, FALSE);
     return GetScreenData(nscrBuffer, outScreenData);
 }
 
-void *Graphics_GetPlttData(u32 narcID, u32 narcMemberIdx, NNSG2dPaletteData **outPaletteData, u32 heapID)
+void *Graphics_GetPlttData(enum NarcID narcID, u32 narcMemberIdx, NNSG2dPaletteData **outPaletteData, u32 heapID)
 {
     void *nclrBuffer = LoadMemberFromNARC(narcID, narcMemberIdx, FALSE, heapID, FALSE);
     return GetPaletteData(nclrBuffer, outPaletteData);
 }
 
-void *Graphics_GetCellBank(u32 narcID, u32 narcMemberIdx, BOOL compressed, NNSG2dCellDataBank **outCellBank, u32 heapID)
+void *Graphics_GetCellBank(enum NarcID narcID, u32 narcMemberIdx, BOOL compressed, NNSG2dCellDataBank **outCellBank, u32 heapID)
 {
     void *ncerBuffer = LoadMemberFromNARC(narcID, narcMemberIdx, compressed, heapID, FALSE);
     return GetCellBank(ncerBuffer, outCellBank);
 }
 
-void *Graphics_GetAnimBank(u32 narcID, u32 narcMemberIdx, BOOL compressed, NNSG2dAnimBankData **outAnimBank, u32 heapID)
+void *Graphics_GetAnimBank(enum NarcID narcID, u32 narcMemberIdx, BOOL compressed, NNSG2dAnimBankData **outAnimBank, u32 heapID)
 {
     void *nanrBuffer = LoadMemberFromNARC(narcID, narcMemberIdx, compressed, heapID, FALSE);
     return GetAnimBank(nanrBuffer, outAnimBank);
 }
 
-void *LoadCompressedMemberFromNARC(u32 narcID, u32 narcMemberIdx, u32 heapID)
+void *LoadCompressedMemberFromNARC(enum NarcID narcID, u32 narcMemberIdx, u32 heapID)
 {
     return LoadMemberFromNARC(narcID, narcMemberIdx, TRUE, heapID, FALSE);
 }
 
-void *LoadMemberFromNARC(u32 narcID, u32 narcMemberIdx, BOOL compressed, u32 heapID, BOOL allocAtEnd)
+void *LoadMemberFromNARC(enum NarcID narcID, u32 narcMemberIdx, BOOL compressed, u32 heapID, BOOL allocAtEnd)
 {
     void *data;
 
@@ -136,7 +136,7 @@ void *LoadMemberFromNARC(u32 narcID, u32 narcMemberIdx, BOOL compressed, u32 hea
     return data;
 }
 
-void *LoadMemberFromNARC_OutFileSize(u32 narcID, u32 narcMemberIdx, BOOL compressed, u32 heapID, BOOL allocAtEnd, u32 *fileSize)
+void *LoadMemberFromNARC_OutFileSize(enum NarcID narcID, u32 narcMemberIdx, BOOL compressed, u32 heapID, BOOL allocAtEnd, u32 *fileSize)
 {
     void *data;
     *fileSize = NARC_GetMemberSizeByIndexPair(narcID, narcMemberIdx);
diff --git a/src/map_header_data.c b/src/map_header_data.c
index 1c809a1817..361c82c367 100644
--- a/src/map_header_data.c
+++ b/src/map_header_data.c
@@ -217,10 +217,10 @@ void MapHeaderData_LoadWildEncounters(WildEncounters *data, int headerID)
 {
     memset(data, 0, sizeof(WildEncounters));
     if (MapHeader_HasWildEncounters(headerID)) {
-        int narcIndex = (GAME_VERSION == VERSION_DIAMOND || GAME_VERSION == VERSION_PLATINUM)
+        enum NarcID narcID = (GAME_VERSION == VERSION_DIAMOND || GAME_VERSION == VERSION_PLATINUM)
             ? NARC_INDEX_FIELDDATA__ENCOUNTDATA__PL_ENC_DATA
             : NARC_INDEX_FIELDDATA__ENCOUNTDATA__P_ENC_DATA;
-        NARC_ReadWholeMemberByIndexPair(data, narcIndex, MapHeader_GetWildEncountersArchiveID(headerID));
+        NARC_ReadWholeMemberByIndexPair(data, narcID, MapHeader_GetWildEncountersArchiveID(headerID));
     }
 }
 
diff --git a/src/message.c b/src/message.c
index a05b602984..a444f2a383 100644
--- a/src/message.c
+++ b/src/message.c
@@ -42,7 +42,7 @@ static inline u8 *EntryOffsetAddress(const MessageBank *bank, u32 bankIndex)
     return (u8 *)bank + bankIndex;
 }
 
-MessageBank *MessageBank_Load(u32 narcID, u32 bankID, u32 heapID)
+MessageBank *MessageBank_Load(enum NarcID narcID, u32 bankID, u32 heapID)
 {
     return NARC_AllocAndReadWholeMemberByIndexPair(narcID, bankID, heapID);
 }
@@ -68,7 +68,7 @@ void MessageBank_Get(const MessageBank *bank, u32 entryID, charcode_t *dst)
     GF_ASSERT(FALSE);
 }
 
-void MessageBank_GetFromNARC(u32 narcID, u32 bankID, u32 entryID, u32 heapID, charcode_t *dst)
+void MessageBank_GetFromNARC(enum NarcID narcID, u32 bankID, u32 entryID, u32 heapID, charcode_t *dst)
 {
     NARC *narc = NARC_ctor(narcID, heapID);
 
@@ -146,7 +146,7 @@ Strbuf *MessageBank_GetNewStrbuf(const MessageBank *bank, u32 entryID, u32 heapI
     return Strbuf_Init(4, heapID);
 }
 
-void MessageBank_GetStrbufFromNARC(u32 narcID, u32 bankID, u32 entryID, u32 heapID, Strbuf *strbuf)
+void MessageBank_GetStrbufFromNARC(enum NarcID narcID, u32 bankID, u32 entryID, u32 heapID, Strbuf *strbuf)
 {
     NARC *narc = NARC_ctor(narcID, heapID);
 
@@ -184,7 +184,7 @@ void MessageBank_GetStrbufFromHandle(NARC *narc, u32 bankID, u32 entryID, u32 he
     Strbuf_Clear(strbuf);
 }
 
-Strbuf *MessageBank_GetNewStrbufFromNARC(u32 narcID, u32 bankID, u32 entryID, u32 heapID)
+Strbuf *MessageBank_GetNewStrbufFromNARC(enum NarcID narcID, u32 bankID, u32 entryID, u32 heapID)
 {
     NARC *narc = NARC_ctor(narcID, heapID);
 
@@ -236,7 +236,7 @@ u32 MessageBank_EntryCount(const MessageBank *bank)
     return bank->count;
 }
 
-u32 MessageBank_NARCEntryCount(u32 narcID, u32 bankID)
+u32 MessageBank_NARCEntryCount(enum NarcID narcID, u32 bankID)
 {
     MessageBank bank;
     NARC_ReadFromMemberByIndexPair(&bank, narcID, bankID, 0, sizeof(MessageBank));
@@ -244,7 +244,7 @@ u32 MessageBank_NARCEntryCount(u32 narcID, u32 bankID)
     return bank.count;
 }
 
-MessageLoader *MessageLoader_Init(enum MessageLoaderType type, u32 narcID, u32 bankID, u32 heapID)
+MessageLoader *MessageLoader_Init(enum MessageLoaderType type, enum NarcID narcID, u32 bankID, u32 heapID)
 {
     MessageLoader *loader = Heap_AllocFromHeapAtEnd(heapID, sizeof(MessageLoader));
 
diff --git a/src/narc.c b/src/narc.c
index 56c56afeed..1890d65cea 100644
--- a/src/narc.c
+++ b/src/narc.c
@@ -312,37 +312,37 @@ static void *AllocAndReadFromNarcMemberByPathAndIndex(const char *path, int memb
     return dest;
 }
 
-void NARC_ReadWholeMemberByIndexPair(void *dest, int narcIndex, int memberIndex)
+void NARC_ReadWholeMemberByIndexPair(void *dest, enum NarcID narcID, int memberIndex)
 {
-    ReadFromNarcMemberByPathAndIndex(dest, sNarcPaths[narcIndex], memberIndex, 0, 0);
+    ReadFromNarcMemberByPathAndIndex(dest, sNarcPaths[narcID], memberIndex, 0, 0);
 }
 
-void *NARC_AllocAndReadWholeMemberByIndexPair(int narcIndex, int memberIndex, int heapID)
+void *NARC_AllocAndReadWholeMemberByIndexPair(enum NarcID narcID, int memberIndex, int heapID)
 {
-    return AllocAndReadFromNarcMemberByPathAndIndex(sNarcPaths[narcIndex], memberIndex, heapID, 0, 0, FALSE);
+    return AllocAndReadFromNarcMemberByPathAndIndex(sNarcPaths[narcID], memberIndex, heapID, 0, 0, FALSE);
 }
 
-void *NARC_AllocAtEndAndReadWholeMemberByIndexPair(int narcIndex, int memberIndex, int heapID)
+void *NARC_AllocAtEndAndReadWholeMemberByIndexPair(enum NarcID narcID, int memberIndex, int heapID)
 {
-    return AllocAndReadFromNarcMemberByPathAndIndex(sNarcPaths[narcIndex], memberIndex, heapID, 0, 0, TRUE);
+    return AllocAndReadFromNarcMemberByPathAndIndex(sNarcPaths[narcID], memberIndex, heapID, 0, 0, TRUE);
 }
 
-void NARC_ReadFromMemberByIndexPair(void *dest, int narcIndex, int memberIndex, int offset, int bytesToRead)
+void NARC_ReadFromMemberByIndexPair(void *dest, enum NarcID narcID, int memberIndex, int offset, int bytesToRead)
 {
-    ReadFromNarcMemberByPathAndIndex(dest, sNarcPaths[narcIndex], memberIndex, offset, bytesToRead);
+    ReadFromNarcMemberByPathAndIndex(dest, sNarcPaths[narcID], memberIndex, offset, bytesToRead);
 }
 
-void *NARC_AllocAndReadFromMemberByIndexPair(int narcIndex, int memberIndex, int heapID, int offset, int bytesToRead)
+void *NARC_AllocAndReadFromMemberByIndexPair(enum NarcID narcID, int memberIndex, int heapID, int offset, int bytesToRead)
 {
-    return AllocAndReadFromNarcMemberByPathAndIndex(sNarcPaths[narcIndex], memberIndex, heapID, offset, bytesToRead, FALSE);
+    return AllocAndReadFromNarcMemberByPathAndIndex(sNarcPaths[narcID], memberIndex, heapID, offset, bytesToRead, FALSE);
 }
 
-void *NARC_AllocAtEndAndReadFromMemberByIndexPair(int narcIndex, int memberIndex, int heapID, int offset, int bytesToRead)
+void *NARC_AllocAtEndAndReadFromMemberByIndexPair(enum NarcID narcID, int memberIndex, int heapID, int offset, int bytesToRead)
 {
-    return AllocAndReadFromNarcMemberByPathAndIndex(sNarcPaths[narcIndex], memberIndex, heapID, offset, bytesToRead, TRUE);
+    return AllocAndReadFromNarcMemberByPathAndIndex(sNarcPaths[narcID], memberIndex, heapID, offset, bytesToRead, TRUE);
 }
 
-u32 NARC_GetMemberSizeByIndexPair(int narcIndex, int memberIndex)
+u32 NARC_GetMemberSizeByIndexPair(enum NarcID narcID, int memberIndex)
 {
     FSFile file;
     u32 chunkSize = 0;
@@ -354,7 +354,7 @@ u32 NARC_GetMemberSizeByIndexPair(int narcIndex, int memberIndex)
     u16 fileCount = 0;
 
     FS_InitFile(&file);
-    FS_OpenFile(&file, sNarcPaths[narcIndex]);
+    FS_OpenFile(&file, sNarcPaths[narcID]);
     FS_SeekFile(&file, 12, FS_SEEK_SET);
     FS_ReadFile(&file, &chunkSize, 2);
 
@@ -386,7 +386,7 @@ u32 NARC_GetMemberSizeByIndexPair(int narcIndex, int memberIndex)
     return chunkSize;
 }
 
-NARC *NARC_ctor(u32 narcIndex, u32 heapID)
+NARC *NARC_ctor(enum NarcID narcID, u32 heapID)
 {
     NARC *narc = Heap_AllocFromHeap(heapID, sizeof(NARC));
 
@@ -397,7 +397,7 @@ NARC *NARC_ctor(u32 narcIndex, u32 heapID)
         narc->fatbStart = 0;
 
         FS_InitFile(&narc->file);
-        FS_OpenFile(&narc->file, sNarcPaths[narcIndex]);
+        FS_OpenFile(&narc->file, sNarcPaths[narcID]);
         FS_SeekFile(&narc->file, 12, FS_SEEK_SET);
         FS_ReadFile(&narc->file, &(narc->fatbStart), 2);
         FS_SeekFile(&narc->file, narc->fatbStart + 4, FS_SEEK_SET);
diff --git a/src/overlay006/ov6_022426AC.c b/src/overlay006/ov6_022426AC.c
index 8d2d5a7c2e..0c5c3dc3e9 100644
--- a/src/overlay006/ov6_022426AC.c
+++ b/src/overlay006/ov6_022426AC.c
@@ -80,8 +80,8 @@ void GreatMarshLookout_CreateLookoutMonSprite(GreatMarshLookout_SpriteResources
     resources->unk_10[1] = SpriteResourceCollection_AddPaletteFrom(resources->unk_00[1], v1, 3, 0, 1, NNS_G2D_VRAM_TYPE_2DMAIN, 1, HEAP_ID_FIELD);
     resources->unk_10[2] = SpriteResourceCollection_AddFrom(resources->unk_00[2], v1, 6, 0, 2, 2, HEAP_ID_FIELD);
     resources->unk_10[3] = SpriteResourceCollection_AddFrom(resources->unk_00[3], v1, 12, 0, 3, 3, HEAP_ID_FIELD);
-    resources->unk_20 = sub_0201363C(resources->unk_28.archive, resources->unk_28.character, HEAP_ID_FIELD);
-    resources->unk_24 = sub_02013660(resources->unk_28.archive, resources->unk_28.palette, HEAP_ID_FIELD);
+    resources->unk_20 = sub_0201363C(resources->unk_28.narcID, resources->unk_28.character, HEAP_ID_FIELD);
+    resources->unk_24 = sub_02013660(resources->unk_28.narcID, resources->unk_28.palette, HEAP_ID_FIELD);
 
     ov6_02242880(resources->unk_00[0], resources->unk_00[1], resources->unk_20, resources->unk_24);
 
diff --git a/src/overlay006/ov6_02243258.c b/src/overlay006/ov6_02243258.c
index 31680de81b..59e390cccb 100644
--- a/src/overlay006/ov6_02243258.c
+++ b/src/overlay006/ov6_02243258.c
@@ -2057,7 +2057,7 @@ static void *ov6_0224509C(Pokemon *param0, PokemonSpriteTemplate *param1, u32 he
 
     {
         int v1 = Pokemon_GetValue(param0, MON_DATA_PERSONALITY, NULL);
-        sub_02013750(param1->archive, param1->character, heapID, v0, v1, 0, 2, param1->spindaSpots);
+        sub_02013750(param1->narcID, param1->character, heapID, v0, v1, 0, 2, param1->spindaSpots);
     }
 
     return v0;
@@ -2065,7 +2065,7 @@ static void *ov6_0224509C(Pokemon *param0, PokemonSpriteTemplate *param1, u32 he
 
 static void *ov6_022450E4(PokemonSpriteTemplate *param0, u32 heapID)
 {
-    void *v0 = sub_02013660(param0->archive, param0->palette, heapID);
+    void *v0 = sub_02013660(param0->narcID, param0->palette, heapID);
     return v0;
 }
 
diff --git a/src/overlay012/ov12_022380BC.c b/src/overlay012/ov12_022380BC.c
index 536f8ab6f2..585ce1b145 100644
--- a/src/overlay012/ov12_022380BC.c
+++ b/src/overlay012/ov12_022380BC.c
@@ -96,9 +96,9 @@ static void ov12_022380DC(UnkStruct_ov12_022380DC *param0, int param1, int param
     *v1 = v0;
 
     PokemonSprite_ScheduleReloadFromNARC(param0->unk_18[param0->unk_00]);
-    sub_02013750(v1->archive, v1->character, heapID, param0->unk_08[param0->unk_00]->unk_00, v7, 0, v4, v1->spindaSpots);
+    sub_02013750(v1->narcID, v1->character, heapID, param0->unk_08[param0->unk_00]->unk_00, v7, 0, v4, v1->spindaSpots);
 
-    param0->unk_08[param0->unk_00]->unk_04 = v1->archive;
+    param0->unk_08[param0->unk_00]->unk_04 = v1->narcID;
     param0->unk_08[param0->unk_00]->unk_08 = v1->palette;
 
     v11 = param0->unk_08[param0->unk_00]->unk_0C = LoadPokemonSpriteYOffset(v2, v3, v4, v6, v7);
@@ -146,9 +146,9 @@ void ov12_022382BC(UnkStruct_ov12_022380DC *param0, int heapID)
         v3 = 0;
     }
 
-    sub_02013750(v0->archive, v0->character, heapID, param0->unk_08[param0->unk_00]->unk_00, v5, 0, v3, v0->spindaSpots);
+    sub_02013750(v0->narcID, v0->character, heapID, param0->unk_08[param0->unk_00]->unk_00, v5, 0, v3, v0->spindaSpots);
 
-    param0->unk_08[param0->unk_00]->unk_04 = v0->archive;
+    param0->unk_08[param0->unk_00]->unk_04 = v0->narcID;
     param0->unk_08[param0->unk_00]->unk_08 = v0->palette;
     param0->unk_08[param0->unk_00]->unk_0C = LoadPokemonSpriteYOffset(v1, v2, v3, v4, v5);
 
@@ -167,7 +167,7 @@ void ov12_02238390(UnkStruct_ov12_022380DC *param0, int heapID)
 
     PokemonSprite_Push(param0->unk_18[param0->unk_00]);
 
-    v0.archive = 117;
+    v0.narcID = 117;
     v0.palette = 250;
     v0.spindaSpots = 0;
     v0.dummy = 0;
@@ -185,9 +185,9 @@ void ov12_02238390(UnkStruct_ov12_022380DC *param0, int heapID)
     *v1 = v0;
 
     PokemonSprite_ScheduleReloadFromNARC(param0->unk_18[param0->unk_00]);
-    sub_02013610(v1->archive, v1->character, heapID, param0->unk_08[param0->unk_00]->unk_00);
+    sub_02013610(v1->narcID, v1->character, heapID, param0->unk_08[param0->unk_00]->unk_00);
 
-    param0->unk_08[param0->unk_00]->unk_04 = v0.archive;
+    param0->unk_08[param0->unk_00]->unk_04 = v0.narcID;
     param0->unk_08[param0->unk_00]->unk_08 = v0.palette;
 
     NARC_ReadWholeMemberByIndexPair(&v4, NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O, v3);
diff --git a/src/overlay017/ov17_0224F080.c b/src/overlay017/ov17_0224F080.c
index ea05c26946..ac7a78a8f0 100644
--- a/src/overlay017/ov17_0224F080.c
+++ b/src/overlay017/ov17_0224F080.c
@@ -43,9 +43,9 @@ u8 ov17_0224F0A0(int param0)
     return Unk_ov17_02254A88[param0];
 }
 
-u32 ov17_0224F0B8(void)
+enum NarcID ov17_0224F0B8(void)
 {
-    return 46;
+    return NARC_INDEX_CONTEST__GRAPHIC__CONTEST_OBJ;
 }
 
 void ov17_0224F0BC(SpriteSystem *param0, SpriteManager *param1, NNS_G2D_VRAM_TYPE param2, int param3, u32 param4)
diff --git a/src/overlay019/ov19_021DA92C.c b/src/overlay019/ov19_021DA92C.c
index d16bb96c77..55553b1881 100644
--- a/src/overlay019/ov19_021DA92C.c
+++ b/src/overlay019/ov19_021DA92C.c
@@ -38,7 +38,7 @@ u32 sub_0207C920(void);
 u32 sub_0207C924(void);
 u32 sub_0207C928(void);
 u8 sub_0207C92C(int param0);
-u32 sub_0207C944(void);
+enum NarcID sub_0207C944(void);
 void Window_PutRectToTilemap(Window *param0, u32 param1, u32 param2);
 static void ov19_021DAB44(UnkStruct_ov19_021DA9E0 *param0);
 static void ov19_021DAC4C(UnkStruct_ov19_021DA9E0 *param0);
@@ -211,7 +211,8 @@ static void ov19_021DAB44(UnkStruct_ov19_021DA9E0 *param0)
 {
     NNSG2dImageProxy v0;
     SpriteResourcesHeader v1;
-    u32 v2, v3, v4;
+    enum NarcID v2;
+    u32 v3, v4;
 
     v2 = sub_0207C944();
     v3 = sub_0207C908(2);
diff --git a/src/overlay021/pokedex_sort.c b/src/overlay021/pokedex_sort.c
index 271d852a29..f4d0940d86 100644
--- a/src/overlay021/pokedex_sort.c
+++ b/src/overlay021/pokedex_sort.c
@@ -719,7 +719,7 @@ static u16 *PokedexFromNARC(enum HeapId heapID, int pokedexSort, int *pokedexLen
 
     GF_ASSERT(PDSI_NUMSORTS > pokedexSort);
 
-    u32 pokedexDataNarcIndex = Pokedex_Data_NARC_Index();
+    enum NarcID pokedexDataNarcIndex = Pokedex_Data_NARC_Index();
     u16 *pokedexFromFile = LoadMemberFromNARC_OutFileSize(pokedexDataNarcIndex, NUMSTATFILES + pokedexSort, 0, heapID, 0, &pokedexSize);
     *pokedexLength = pokedexSize / (sizeof(u16));
 
diff --git a/src/overlay022/ov22_02259098.c b/src/overlay022/ov22_02259098.c
index 9c4fd5b9d4..a8586d6453 100644
--- a/src/overlay022/ov22_02259098.c
+++ b/src/overlay022/ov22_02259098.c
@@ -25,10 +25,10 @@ void ov22_02259098(UnkStruct_ov22_0225A0E4 *param0, PokemonSpriteTemplate *param
     void *v0;
     NNSG2dCharacterData *v1;
 
-    v0 = LoadMemberFromNARC(param1->archive, param1->character, 0, 14, 0);
+    v0 = LoadMemberFromNARC(param1->narcID, param1->character, 0, 14, 0);
     v1 = ov22_02255340(param0, v0, (100 + 18));
 
-    PokemonSprite_Decrypt((u8 *)v1->pRawData, param1->archive);
+    PokemonSprite_Decrypt((u8 *)v1->pRawData, param1->narcID);
 }
 
 void ov22_022590C0(UnkStruct_020298D8 *param0, PokemonSpriteManager *param1, Pokemon *param2, PokemonSpriteTemplate *param3, int param4)
@@ -64,10 +64,10 @@ void ov22_022590D4(UnkStruct_020298D8 *param0, PokemonSpriteManager *param1, Pok
         void *v4;
         NNSG2dCharacterData *v5;
 
-        v4 = LoadMemberFromNARC(param3->archive, param3->character, 0, param4, 0);
+        v4 = LoadMemberFromNARC(param3->narcID, param3->character, 0, param4, 0);
 
         NNS_G2dGetUnpackedCharacterData(v4, &v5);
-        PokemonSprite_Decrypt((u8 *)v5->pRawData, param3->archive);
+        PokemonSprite_Decrypt((u8 *)v5->pRawData, param3->narcID);
 
         if (param5 == 0) {
             ov22_022593B8(v5->pRawData, v5->W * 8, v5->H * 8, &param0->unk_08);
diff --git a/src/overlay022/ov22_02259C58.c b/src/overlay022/ov22_02259C58.c
index 7b81e61ebf..7816367c83 100644
--- a/src/overlay022/ov22_02259C58.c
+++ b/src/overlay022/ov22_02259C58.c
@@ -3,6 +3,8 @@
 #include <nitro.h>
 #include <string.h>
 
+#include "constants/narc.h"
+
 #include "struct_decls/struct_02012744_decl.h"
 #include "struct_defs/struct_020127E8.h"
 
@@ -38,7 +40,7 @@ static void ov22_0225A154(UnkStruct_ov22_0225A154 *param0, int param1, UnkStruct
 static void ov22_0225A200(TouchScreenHitTable *hitTable, int param1, int param2, int param3, int param4, int param5);
 static void ov22_0225A218(UnkStruct_ov22_0225A0E4 *param0);
 static void ov22_0225A2A8(UnkStruct_ov22_0225A0E4 *param0);
-static Window *ov22_0225A348(UnkStruct_ov22_0225A0E4 *param0, u32 param1, u32 param2, u32 param3, int param4, int param5);
+static Window *ov22_0225A348(UnkStruct_ov22_0225A0E4 *param0, enum NarcID narcID, u32 param2, u32 param3, int param4, int param5);
 static void ov22_0225A3D0(Window *param0);
 static void ov22_0225A2D0(UnkStruct_ov22_02259C58 *param0, int param1);
 static void ov22_0225A338(UnkStruct_ov22_02259C58 *param0, int param1, int param2, int param3);
@@ -425,7 +427,7 @@ static void ov22_0225A338(UnkStruct_ov22_02259C58 *param0, int param1, int param
     }
 }
 
-static Window *ov22_0225A348(UnkStruct_ov22_0225A0E4 *param0, u32 narcID, u32 bankID, u32 param3, int param4, int param5)
+static Window *ov22_0225A348(UnkStruct_ov22_0225A0E4 *param0, enum NarcID narcID, u32 bankID, u32 param3, int param4, int param5)
 {
     MessageLoader *v0;
     Strbuf *v1;
diff --git a/src/overlay022/ov22_0225A428.c b/src/overlay022/ov22_0225A428.c
index e116f58642..fc33790f9a 100644
--- a/src/overlay022/ov22_0225A428.c
+++ b/src/overlay022/ov22_0225A428.c
@@ -38,8 +38,8 @@ static void ov22_0225A7B8(UnkStruct_ov22_022597BC *param0);
 static void ov22_0225A7C0(Window *param0);
 static s32 ov22_0225A7CC(Window *param0, int param1, int param2, int param3, int param4, int param5, u32 param6);
 static s32 ov22_0225A814(Window *param0, int param1, int param2, int param3, int param4, int param5, u32 param6, Strbuf **param7);
-static s32 ov22_0225A860(Window *param0, int param1, int param2, int param3, int param4, int param5, TextColor param6, u32 param7);
-static s32 ov22_0225A8B4(Window *param0, int param1, int param2, int param3, int param4, int param5, u32 param6, u32 param7, Strbuf **param8);
+static s32 ov22_0225A860(Window *param0, enum NarcID narcID, int param2, int param3, int param4, int param5, TextColor param6, u32 param7);
+static s32 ov22_0225A8B4(Window *param0, enum NarcID narcID, int param2, int param3, int param4, int param5, u32 param6, u32 param7, Strbuf **param8);
 static void ov22_0225A914(UnkStruct_ov22_0225A914 *param0, SpriteList *param1, SpriteResourceCollection **param2, int param3, NARC *param4);
 static void ov22_0225A9C8(UnkStruct_ov22_0225A914 *param0, int param1);
 static void ov22_0225AA10(UnkStruct_ov22_0225A914 *param0, SpriteResourceCollection **param1);
@@ -248,7 +248,7 @@ static s32 ov22_0225A814(Window *param0, int param1, int param2, int param3, int
     return v0;
 }
 
-static s32 ov22_0225A860(Window *window, int narcID, int bankID, int param3, int param4, int param5, TextColor param6, u32 param7)
+static s32 ov22_0225A860(Window *window, enum NarcID narcID, int bankID, int param3, int param4, int param5, TextColor param6, u32 param7)
 {
     MessageLoader *msgLoader = MessageLoader_Init(MESSAGE_LOADER_BANK_HANDLE, narcID, bankID, HEAP_ID_13);
     GF_ASSERT(msgLoader);
@@ -262,7 +262,7 @@ static s32 ov22_0225A860(Window *window, int narcID, int bankID, int param3, int
     return v2;
 }
 
-static s32 ov22_0225A8B4(Window *param0, int narcID, int bankID, int param3, int param4, int param5, u32 param6, u32 param7, Strbuf **param8)
+static s32 ov22_0225A8B4(Window *param0, enum NarcID narcID, int bankID, int param3, int param4, int param5, u32 param6, u32 param7, Strbuf **param8)
 {
     GF_ASSERT(*param8 == NULL);
 
diff --git a/src/overlay025/ov25_02255540.c b/src/overlay025/ov25_02255540.c
index f02891b3d4..d0f8bfcd2e 100644
--- a/src/overlay025/ov25_02255540.c
+++ b/src/overlay025/ov25_02255540.c
@@ -301,11 +301,11 @@ void ov25_02255950(UnkStruct_ov25_022558C4 *param0, u16 param1)
     param0->unk_90 = param1;
 }
 
-BOOL ov25_02255958(UnkStruct_ov25_02255958 *param0, u32 narcId, u32 memberId, u32 memberId2, enum HeapId heapID)
+BOOL ov25_02255958(UnkStruct_ov25_02255958 *param0, enum NarcID narcID, u32 memberId, u32 memberId2, enum HeapId heapID)
 {
     param0->heapID = heapID;
-    param0->unk_00 = LoadCompressedMemberFromNARC(narcId, memberId, heapID);
-    param0->unk_04 = LoadCompressedMemberFromNARC(narcId, memberId2, heapID);
+    param0->unk_00 = LoadCompressedMemberFromNARC(narcID, memberId, heapID);
+    param0->unk_04 = LoadCompressedMemberFromNARC(narcID, memberId2, heapID);
 
     if ((param0->unk_00 != NULL) && (param0->unk_04 != NULL)) {
         if (!NNS_G2dGetUnpackedCellBank(param0->unk_00, &(param0->unk_08))) {
diff --git a/src/overlay073/ov73_021D0D80.c b/src/overlay073/ov73_021D0D80.c
index 6576adfc93..f8f5687217 100644
--- a/src/overlay073/ov73_021D0D80.c
+++ b/src/overlay073/ov73_021D0D80.c
@@ -1114,8 +1114,8 @@ static void ov73_021D1B80(UnkStruct_ov73_021D1058 *param0)
         }
     }
 
-    v2 = sub_0201363C(v0.archive, v0.character, param0->heapID);
-    v3 = sub_02013660(v0.archive, v0.palette, param0->heapID);
+    v2 = sub_0201363C(v0.narcID, v0.character, param0->heapID);
+    v3 = sub_02013660(v0.narcID, v0.palette, param0->heapID);
 
     MI_CpuCopy32(v3, param0->unk_B8, 0x20);
 
diff --git a/src/overlay086/ov86_0223B140.c b/src/overlay086/ov86_0223B140.c
index dc9840f7e8..cfce4546ad 100644
--- a/src/overlay086/ov86_0223B140.c
+++ b/src/overlay086/ov86_0223B140.c
@@ -839,17 +839,17 @@ static void ov86_0223BAC8(UnkStruct_ov86_0223B3C8 *param0, NNSG2dCellDataBank *p
         param0->unk_2E0[v12] = Pokemon_GetValue((Pokemon *)v11, MON_DATA_SPECIES, NULL);
         param0->unk_2F8[v12] = Pokemon_GetValue((Pokemon *)v11, MON_DATA_FORM, NULL);
 
-        sub_02013720(v1.archive, v1.character, HEAP_ID_63, &v0[0], param0->unk_310, Pokemon_GetValue((Pokemon *)v11, MON_DATA_PERSONALITY, NULL), 1, 2, param0->unk_2E0[v12]);
+        sub_02013720(v1.narcID, v1.character, HEAP_ID_63, &v0[0], param0->unk_310, Pokemon_GetValue((Pokemon *)v11, MON_DATA_PERSONALITY, NULL), 1, 2, param0->unk_2E0[v12]);
 
         DC_FlushRange(param0->unk_310, 3200);
         GX_LoadOBJ(param0->unk_310, v12 * 2 * 3200, 3200);
 
-        sub_02013720(v1.archive, v1.character, HEAP_ID_63, &v0[1], param0->unk_310, Pokemon_GetValue((Pokemon *)v11, MON_DATA_PERSONALITY, NULL), 1, 2, param0->unk_2E0[v12]);
+        sub_02013720(v1.narcID, v1.character, HEAP_ID_63, &v0[1], param0->unk_310, Pokemon_GetValue((Pokemon *)v11, MON_DATA_PERSONALITY, NULL), 1, 2, param0->unk_2E0[v12]);
 
         DC_FlushRange(param0->unk_310, 3200);
         GX_LoadOBJ(param0->unk_310, v12 * 2 * 3200 + 3200, 3200);
 
-        Graphics_LoadPalette(v1.archive, v1.palette, 1, v12 * 0x20, 0x20, HEAP_ID_63);
+        Graphics_LoadPalette(v1.narcID, v1.palette, 1, v12 * 0x20, 0x20, HEAP_ID_63);
         PokeSprite_LoadAnimationFrames(param0->unk_1C54, &param0->unk_1D8[v12][0], param0->unk_2E0[v12], 1);
     }
 
diff --git a/src/overlay087/ov87_021D106C.c b/src/overlay087/ov87_021D106C.c
index f3749ad727..b4208cadf9 100644
--- a/src/overlay087/ov87_021D106C.c
+++ b/src/overlay087/ov87_021D106C.c
@@ -541,12 +541,12 @@ static void ov87_021D1970(UnkStruct_ov87_021D106C *param0)
         Pokemon_InitWith(param0->unk_1FC, v2->unk_20[v3].unk_10, v2->unk_20[v3].unk_12, INIT_IVS_RANDOM, TRUE, v2->unk_20[v3].unk_08, OTID_SET, v2->unk_20[v3].unk_0C);
         Pokemon_SetValue(param0->unk_1FC, MON_DATA_FORM, (void *)(&(v2->unk_20[v3].unk_13)));
         Pokemon_BuildSpriteTemplate(&v1, param0->unk_1FC, 2);
-        sub_02013720(v1.archive, v1.character, HEAP_ID_61, &v0, param0->unk_200, v2->unk_20[v3].unk_08, 0, 2, v2->unk_20[v3].unk_10);
+        sub_02013720(v1.narcID, v1.character, HEAP_ID_61, &v0, param0->unk_200, v2->unk_20[v3].unk_08, 0, 2, v2->unk_20[v3].unk_10);
 
         DC_FlushRange(param0->unk_200, sizeof(param0->unk_200));
         GX_LoadOBJ(param0->unk_200, 3200 * v3, 3200);
 
-        Graphics_LoadPalette(v1.archive, v1.palette, 1, v3 * 0x20, 0x20, HEAP_ID_61);
+        Graphics_LoadPalette(v1.narcID, v1.palette, 1, v3 * 0x20, 0x20, HEAP_ID_61);
 
         if (v3 == v2->unk_18) {
             Sound_SetUsingDefaultChatotCry(TRUE);
diff --git a/src/overlay088/ov88_0223B140.c b/src/overlay088/ov88_0223B140.c
index 4d9c3fdcc2..303e8be9ae 100644
--- a/src/overlay088/ov88_0223B140.c
+++ b/src/overlay088/ov88_0223B140.c
@@ -897,7 +897,7 @@ static void ov88_0223C0E0(void *param0)
         int v1 = v0->unk_2168 - 1;
 
         GXS_LoadOBJ(v0->unk_848[v1], 0 + v1 * (0x20 * 10 * 10), (0x20 * 10 * 10));
-        Graphics_LoadPalette(v0->unk_2148[v1].archive, v0->unk_2148[v1].palette, 5, 0x20 * (2 + v1), 32, HEAP_ID_26);
+        Graphics_LoadPalette(v0->unk_2148[v1].narcID, v0->unk_2148[v1].palette, 5, 0x20 * (2 + v1), 32, HEAP_ID_26);
 
         v0->unk_2168 = 0;
     }
@@ -1263,7 +1263,7 @@ static int ov88_0223C800(int param0, Pokemon *param1, u8 *param2, PokemonSpriteT
         int v0 = Pokemon_GetValue(param1, MON_DATA_PERSONALITY, NULL);
         int v1 = Pokemon_GetValue(param1, MON_DATA_SPECIES, NULL);
 
-        sub_020136A4(param3->archive, param3->character, HEAP_ID_26, 0, 0, 10, 10, param2, v0, 0, 2, v1);
+        sub_020136A4(param3->narcID, param3->character, HEAP_ID_26, 0, 0, 10, 10, param2, v0, 0, 2, v1);
     }
 
     DC_FlushRange(param2, 0x20 * 10 * 10);
diff --git a/src/overlay094/ov94_0223D0C4.c b/src/overlay094/ov94_0223D0C4.c
index 1bb52fc522..5c55507238 100644
--- a/src/overlay094/ov94_0223D0C4.c
+++ b/src/overlay094/ov94_0223D0C4.c
@@ -589,13 +589,13 @@ void ov94_0223DB2C(Pokemon *param0)
         int v2 = Pokemon_GetValue(param0, MON_DATA_PERSONALITY, NULL);
         int v3 = Pokemon_GetValue(param0, MON_DATA_SPECIES, NULL);
 
-        sub_020136A4(v0.archive, v0.character, HEAP_ID_62, 0, 0, 10, 10, v1, v2, 0, 2, v3);
+        sub_020136A4(v0.narcID, v0.character, HEAP_ID_62, 0, 0, 10, 10, v1, v2, 0, 2, v3);
     }
 
     DC_FlushRange(v1, (0x20 * 10 * 10));
     GX_LoadOBJ(v1, ((18 * 32 + 16) * 32), (0x20 * 10 * 10));
 
-    Graphics_LoadPalette(v0.archive, v0.palette, 1, 0x20 * 13, 32, HEAP_ID_62);
+    Graphics_LoadPalette(v0.narcID, v0.palette, 1, 0x20 * 13, 32, HEAP_ID_62);
     Heap_FreeToHeap(v1);
 }
 
diff --git a/src/overlay095/ov95_02246C20.c b/src/overlay095/ov95_02246C20.c
index 6552dd5ebc..2ab0c9e0a6 100644
--- a/src/overlay095/ov95_02246C20.c
+++ b/src/overlay095/ov95_02246C20.c
@@ -577,7 +577,7 @@ void ov95_022473E8(UnkStruct_ov95_02247628 *param0, int param1, u32 param2, u32
             v4.unk_08 *= 2;
         }
 
-        sub_02013720(v0.archive, v0.character, HEAP_ID_57, &v4, v3, v7, param4, 2, v8);
+        sub_02013720(v0.narcID, v0.character, HEAP_ID_57, &v4, v3, v7, param4, 2, v8);
         DC_FlushRange(v3, v2);
         Bg_LoadTiles(param0->unk_08, param2, v3, v2, 0);
 
@@ -586,7 +586,7 @@ void ov95_022473E8(UnkStruct_ov95_02247628 *param0, int param1, u32 param2, u32
     }
 
     v1 = (param2 >= 4) ? 4 : 0;
-    Graphics_LoadPalette(v0.archive, v0.palette, v1, param3 * 0x20, 0x20, HEAP_ID_57);
+    Graphics_LoadPalette(v0.narcID, v0.palette, v1, param3 * 0x20, 0x20, HEAP_ID_57);
 }
 
 void ov95_022474D4(UnkStruct_ov95_02247628 *param0, int param1, u32 param2, u32 param3, u32 param4, u32 param5)
diff --git a/src/overlay097/ov97_02237694.c b/src/overlay097/ov97_02237694.c
index 0f74d22a23..635a3b4af2 100644
--- a/src/overlay097/ov97_02237694.c
+++ b/src/overlay097/ov97_02237694.c
@@ -573,7 +573,7 @@ static void ov97_02237EF8(Sprite *param0, Pokemon *param1, int param2, int param
     BuildPokemonSpriteTemplate(param5, param2, v0, 2, v1, param3, 0);
 
     v2 = Pokemon_GetValue(param1, MON_DATA_PERSONALITY, NULL);
-    sub_020136A4(param5->archive, param5->character, v3->heapID, 0, 0, 10, 10, param4, v2, 0, 2, param2);
+    sub_020136A4(param5->narcID, param5->character, v3->heapID, 0, 0, 10, 10, param4, v2, 0, 2, param2);
 
     DC_FlushRange(param4, 0x20 * 10 * 10);
 
@@ -588,7 +588,7 @@ static void ov97_02237EF8(Sprite *param0, Pokemon *param1, int param2, int param
         NNSG2dImagePaletteProxy *v6 = Sprite_GetPaletteProxy(param0);
         u32 v7 = NNS_G2dGetImagePaletteLocation(v6, NNS_G2D_VRAM_TYPE_2DSUB);
 
-        Graphics_LoadPalette(param5->archive, param5->palette, 5, 0x20 * (2 + 1) + v7, 32, v3->heapID);
+        Graphics_LoadPalette(param5->narcID, param5->palette, 5, 0x20 * (2 + 1) + v7, 32, v3->heapID);
     }
 }
 
diff --git a/src/overlay104/ov104_02231F74.c b/src/overlay104/ov104_02231F74.c
index 3e0e864df4..60ee638b5e 100644
--- a/src/overlay104/ov104_02231F74.c
+++ b/src/overlay104/ov104_02231F74.c
@@ -906,7 +906,7 @@ void ov104_02232CE0(UnkStruct_ov104_0223C4CC *param0, Pokemon *param1, int heapI
         v10 = Pokemon_GetValue(param1, MON_DATA_SPECIES, NULL);
 
         Pokemon_BuildSpriteTemplate(&v3, param1, 2);
-        sub_020136A4(v3.archive, v3.character, heapID, 0, 0, 10, 10, v4, v9, 0, 2, v10);
+        sub_020136A4(v3.narcID, v3.character, heapID, 0, 0, 10, 10, v4, v9, 0, 2, v10);
     }
 
     {
@@ -921,7 +921,7 @@ void ov104_02232CE0(UnkStruct_ov104_0223C4CC *param0, Pokemon *param1, int heapI
         v12 = Sprite_GetPaletteProxy(v5->sprite);
         v13 = PlttTransfer_GetPlttOffset(v12, NNS_G2D_VRAM_TYPE_2DMAIN);
 
-        PaletteData_LoadBufferFromFileStart(v2, v3.archive, v3.palette, heapID, 2, 0x20, v13 * 16);
+        PaletteData_LoadBufferFromFileStart(v2, v3.narcID, v3.palette, heapID, 2, 0x20, v13 * 16);
 
         if (param8 > 0) {
             PaletteData_Blend(v2, 2, v13 * 16, 16, param8, param9);
diff --git a/src/palette.c b/src/palette.c
index 778b001ef8..4a576df98a 100644
--- a/src/palette.c
+++ b/src/palette.c
@@ -63,7 +63,7 @@ void PaletteData_LoadBuffer(PaletteData *paletteData, const void *src, enum Pale
     MI_CpuCopy16(src, paletteData->buffers[bufferID].faded + destStart, srcSize);
 }
 
-void PaletteData_LoadBufferFromFile(PaletteData *paletteData, u32 narcID, u32 narcMemberIdx, u32 heapID, enum PaletteBufferID bufferID, u32 srcSize, u16 destStart, u16 srcStart)
+void PaletteData_LoadBufferFromFile(PaletteData *paletteData, enum NarcID narcID, u32 narcMemberIdx, u32 heapID, enum PaletteBufferID bufferID, u32 srcSize, u16 destStart, u16 srcStart)
 {
     NNSG2dPaletteData *palette;
     void *ptr = Graphics_GetPlttData(narcID, narcMemberIdx, &palette, heapID);
@@ -80,7 +80,7 @@ void PaletteData_LoadBufferFromFile(PaletteData *paletteData, u32 narcID, u32 na
     Heap_FreeToHeap(ptr);
 }
 
-void PaletteData_LoadBufferFromFileStart(PaletteData *paletteData, u32 narcID, u32 narcMemberIdx, u32 heapID, enum PaletteBufferID bufferID, u32 srcSize, u16 destStart)
+void PaletteData_LoadBufferFromFileStart(PaletteData *paletteData, enum NarcID narcID, u32 narcMemberIdx, u32 heapID, enum PaletteBufferID bufferID, u32 srcSize, u16 destStart)
 {
     PaletteData_LoadBufferFromFile(paletteData, narcID, narcMemberIdx, heapID, bufferID, srcSize, destStart, 0);
 }
@@ -115,7 +115,7 @@ void PaletteData_LoadBufferFromHardware(PaletteData *paletteData, enum PaletteBu
     PaletteData_LoadBuffer(paletteData, ptr + start, bufferID, start, size);
 }
 
-void LoadPaletteFromFile(u32 narcID, u32 narcMemberIdx, u32 heapID, u32 size, u16 start, void *dest)
+void LoadPaletteFromFile(enum NarcID narcID, u32 narcMemberIdx, u32 heapID, u32 size, u16 start, void *dest)
 {
     NNSG2dPaletteData *palette;
     void *ptr = Graphics_GetPlttData(narcID, narcMemberIdx, &palette, heapID);
@@ -585,7 +585,7 @@ void TintPalette(u16 *palette, int numColorsToTint, int tintR, int tintG, int ti
     }
 }
 
-void PaletteData_LoadBufferFromFileStartWithTint(PaletteData *paletteData, u32 narcID, u32 narcMemberIdx, u32 heapID, enum PaletteBufferID bufferID, u32 size, u16 start, int r, int g, int b)
+void PaletteData_LoadBufferFromFileStartWithTint(PaletteData *paletteData, enum NarcID narcID, u32 narcMemberIdx, u32 heapID, enum PaletteBufferID bufferID, u32 size, u16 start, int r, int g, int b)
 {
     NNSG2dPaletteData *palette;
     void *ptr = Graphics_GetPlttData(narcID, narcMemberIdx, &palette, heapID);
diff --git a/src/pokedex_data_index.c b/src/pokedex_data_index.c
index 1a14e9de82..28585965af 100644
--- a/src/pokedex_data_index.c
+++ b/src/pokedex_data_index.c
@@ -7,26 +7,26 @@
 
 #include "narc.h"
 
-static u32 sPokedexDataNarcIndex = NARC_INDEX_APPLICATION__ZUKANLIST__ZKN_DATA__ZUKAN_DATA;
+static enum NarcID sPokedexDataNarcID = NARC_INDEX_APPLICATION__ZUKANLIST__ZKN_DATA__ZUKAN_DATA;
 static u32 sWeightMessageBankIndex = TEXT_BANK_SPECIES_WEIGHT;
 static u32 sHeightMessageBankIndex = TEXT_BANK_SPECIES_HEIGHT;
 
 void Pokedex_SetupGiratina(u32 formNun)
 {
     if (formNun == 0) {
-        sPokedexDataNarcIndex = NARC_INDEX_APPLICATION__ZUKANLIST__ZKN_DATA__ZUKAN_DATA_GIRA;
+        sPokedexDataNarcID = NARC_INDEX_APPLICATION__ZUKANLIST__ZKN_DATA__ZUKAN_DATA_GIRA;
         sWeightMessageBankIndex = TEXT_BANK_SPECIES_WEIGHT_GIRA;
         sHeightMessageBankIndex = TEXT_BANK_SPECIES_HEIGHT_GIRA;
     } else {
-        sPokedexDataNarcIndex = NARC_INDEX_APPLICATION__ZUKANLIST__ZKN_DATA__ZUKAN_DATA;
+        sPokedexDataNarcID = NARC_INDEX_APPLICATION__ZUKANLIST__ZKN_DATA__ZUKAN_DATA;
         sWeightMessageBankIndex = TEXT_BANK_SPECIES_WEIGHT;
         sHeightMessageBankIndex = TEXT_BANK_SPECIES_HEIGHT;
     }
 }
 
-u32 Pokedex_Data_NARC_Index(void)
+enum NarcID Pokedex_Data_NARC_Index(void)
 {
-    return sPokedexDataNarcIndex;
+    return sPokedexDataNarcID;
 }
 
 u32 Weight_Message_Bank_Index(void)
diff --git a/src/pokedex_heightweight.c b/src/pokedex_heightweight.c
index 52137e7599..a6b940621d 100644
--- a/src/pokedex_heightweight.c
+++ b/src/pokedex_heightweight.c
@@ -46,8 +46,8 @@ void Pokedex_HeightWeightData_Load(HeightWeightData *HWData, int trainerIsGirl,
     GF_ASSERT(HWData->height == NULL);
     GF_ASSERT(HWData->weight == NULL);
 
-    u32 pokedex_data_narc_index = Pokedex_Data_NARC_Index();
-    NARC *pokedexDataNARC = NARC_ctor(pokedex_data_narc_index, heapID);
+    enum NarcID pokedexDataNarcID = Pokedex_Data_NARC_Index();
+    NARC *pokedexDataNARC = NARC_ctor(pokedexDataNarcID, heapID);
 
     HWData->height = Pokedex_Height_Array(pokedexDataNARC, heapID);
     HWData->weight = Pokedex_Weight_Array(pokedexDataNARC, heapID);
diff --git a/src/pokemon.c b/src/pokemon.c
index bc1326fde0..35ecac3e00 100644
--- a/src/pokemon.c
+++ b/src/pokemon.c
@@ -2547,91 +2547,91 @@ void BuildPokemonSpriteTemplate(PokemonSpriteTemplate *spriteTemplate, u16 speci
 
     switch (species) {
     case SPECIES_BURMY:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
         spriteTemplate->character = 72 + (face / 2) + form * 2;
         spriteTemplate->palette = 166 + shiny + form * 2;
         break;
 
     case SPECIES_WORMADAM:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
         spriteTemplate->character = 78 + (face / 2) + form * 2;
         spriteTemplate->palette = 172 + shiny + form * 2;
         break;
 
     case SPECIES_SHELLOS:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
         spriteTemplate->character = 84 + face + form;
         spriteTemplate->palette = 178 + shiny + form * 2;
         break;
 
     case SPECIES_GASTRODON:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
         spriteTemplate->character = 88 + face + form;
         spriteTemplate->palette = 182 + shiny + form * 2;
         break;
 
     case SPECIES_CHERRIM:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
         spriteTemplate->character = 92 + face + form;
         spriteTemplate->palette = 186 + (shiny * 2) + form;
         break;
 
     case SPECIES_ARCEUS:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
         spriteTemplate->character = 96 + (face / 2) + form * 2;
         spriteTemplate->palette = 190 + shiny + form * 2;
         break;
 
     case SPECIES_CASTFORM:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
         spriteTemplate->character = 64 + (face * 2) + form;
         spriteTemplate->palette = 158 + (shiny * 4) + form;
         break;
 
     case SPECIES_DEOXYS:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
         spriteTemplate->character = 0 + (face / 2) + form * 2;
         spriteTemplate->palette = 154 + shiny;
         break;
 
     case SPECIES_UNOWN:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
         spriteTemplate->character = 8 + (face / 2) + form * 2;
         spriteTemplate->palette = 156 + shiny;
         break;
 
     case SPECIES_EGG:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
         spriteTemplate->character = 132 + form;
         spriteTemplate->palette = 226 + form;
         break;
 
     case SPECIES_BAD_EGG:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
         spriteTemplate->character = 132;
         spriteTemplate->palette = 226;
         break;
 
     case SPECIES_SHAYMIN:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
         spriteTemplate->character = 134 + (face / 2) + form * 2;
         spriteTemplate->palette = 228 + shiny + form * 2;
         break;
 
     case SPECIES_ROTOM:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
         spriteTemplate->character = 138 + (face / 2) + form * 2;
         spriteTemplate->palette = 232 + shiny + form * 2;
         break;
 
     case SPECIES_GIRATINA:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
         spriteTemplate->character = 150 + (face / 2) + form * 2;
         spriteTemplate->palette = 244 + shiny + form * 2;
         break;
 
     default:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__PL_POKEGRA;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__PL_POKEGRA;
         spriteTemplate->character = species * 6 + face + (gender != GENDER_FEMALE ? 1 : 0); // ternary must remain to match
         spriteTemplate->palette = species * 6 + 4 + shiny;
 
@@ -2746,78 +2746,78 @@ static void BuildPokemonSpriteTemplateDP(PokemonSpriteTemplate *spriteTemplate,
 
     switch (species) {
     case SPECIES_BURMY:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE;
         spriteTemplate->character = 72 + (face / 2) + form * 2;
         spriteTemplate->palette = 146 + shiny + form * 2;
         break;
 
     case SPECIES_WORMADAM:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE;
         spriteTemplate->character = 78 + (face / 2) + form * 2;
         spriteTemplate->palette = 152 + shiny + form * 2;
         break;
 
     case SPECIES_SHELLOS:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE;
         spriteTemplate->character = 84 + face + form;
         spriteTemplate->palette = 158 + shiny + form * 2;
         break;
 
     case SPECIES_GASTRODON:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE;
         spriteTemplate->character = 88 + face + form;
         spriteTemplate->palette = 162 + shiny + form * 2;
         break;
 
     case SPECIES_CHERRIM:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE;
         spriteTemplate->character = 92 + face + form;
         spriteTemplate->palette = 166 + (shiny * 2) + form;
         break;
 
     case SPECIES_ARCEUS:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE;
         spriteTemplate->character = 96 + (face / 2) + form * 2;
         spriteTemplate->palette = 170 + shiny + form * 2;
         break;
 
     case SPECIES_CASTFORM:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE;
         spriteTemplate->character = 64 + (face * 2) + form;
         spriteTemplate->palette = 138 + (shiny * 4) + form;
         break;
 
     case SPECIES_DEOXYS:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE;
         spriteTemplate->character = 0 + (face / 2) + form * 2;
         spriteTemplate->palette = 134 + shiny;
         break;
 
     case SPECIES_UNOWN:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE;
         spriteTemplate->character = 8 + (face / 2) + form * 2;
         spriteTemplate->palette = 136 + shiny;
         break;
 
     case SPECIES_EGG:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE;
         spriteTemplate->character = 132 + form;
         spriteTemplate->palette = 206 + form;
         break;
 
     case SPECIES_BAD_EGG:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE;
         spriteTemplate->character = 132;
         spriteTemplate->palette = 206;
         break;
 
     case SPECIES_SHAYMIN:
         if (form > 0) {
-            spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
+            spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
             spriteTemplate->character = 134 + (face / 2) + form * 2;
             spriteTemplate->palette = 230 + shiny;
         } else {
-            spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__POKEGRA;
+            spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__POKEGRA;
             spriteTemplate->character = species * 6 + face + (gender != GENDER_FEMALE ? 1 : 0);
             spriteTemplate->palette = species * 6 + 4 + shiny;
         }
@@ -2825,11 +2825,11 @@ static void BuildPokemonSpriteTemplateDP(PokemonSpriteTemplate *spriteTemplate,
 
     case SPECIES_ROTOM:
         if (form > 0) {
-            spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
+            spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
             spriteTemplate->character = 138 + (face / 2) + form * 2;
             spriteTemplate->palette = 232 + shiny + form * 2;
         } else {
-            spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__POKEGRA;
+            spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__POKEGRA;
             spriteTemplate->character = species * 6 + face + (gender != GENDER_FEMALE ? 1 : 0);
             spriteTemplate->palette = species * 6 + 4 + shiny;
         }
@@ -2837,18 +2837,18 @@ static void BuildPokemonSpriteTemplateDP(PokemonSpriteTemplate *spriteTemplate,
 
     case SPECIES_GIRATINA:
         if (form > 0) {
-            spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
+            spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__PL_OTHERPOKE;
             spriteTemplate->character = 150 + (face / 2) + form * 2;
             spriteTemplate->palette = 244 + shiny + form * 2;
         } else {
-            spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__POKEGRA;
+            spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__POKEGRA;
             spriteTemplate->character = species * 6 + face + (gender != GENDER_FEMALE ? 1 : 0);
             spriteTemplate->palette = species * 6 + 4 + shiny;
         }
         break;
 
     default:
-        spriteTemplate->archive = NARC_INDEX_POKETOOL__POKEGRA__POKEGRA;
+        spriteTemplate->narcID = NARC_INDEX_POKETOOL__POKEGRA__POKEGRA;
         spriteTemplate->character = species * 6 + face + (gender != GENDER_FEMALE ? 1 : 0);
         spriteTemplate->palette = species * 6 + 4 + shiny;
 
@@ -2900,87 +2900,87 @@ u8 LoadPokemonSpriteYOffset(u16 species, u8 gender, u8 face, u8 form, u32 person
 {
     form = Pokemon_SanitizeFormId(species, form);
 
-    int narcIndex;
+    enum NarcID narcID;
     int memberIndex;
     switch (species) {
     case SPECIES_BURMY:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
         memberIndex = 72 + (face / 2) + form * 2;
         break;
 
     case SPECIES_WORMADAM:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
         memberIndex = 78 + (face / 2) + form * 2;
         break;
 
     case SPECIES_SHELLOS:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
         memberIndex = 84 + face + form;
         break;
 
     case SPECIES_GASTRODON:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
         memberIndex = 88 + face + form;
         break;
 
     case SPECIES_CHERRIM:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
         memberIndex = 92 + face + form;
         break;
 
     case SPECIES_ARCEUS:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
         memberIndex = 96 + (face / 2) + form * 2;
         break;
 
     case SPECIES_CASTFORM:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
         memberIndex = 64 + face * 2 + form;
         break;
 
     case SPECIES_DEOXYS:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
         memberIndex = 0 + (face / 2) + form * 2;
         break;
 
     case SPECIES_UNOWN:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
         memberIndex = 8 + (face / 2) + form * 2;
         break;
 
     case SPECIES_EGG:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
         memberIndex = 132 + form;
         break;
 
     case SPECIES_BAD_EGG:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
         memberIndex = 132;
         break;
 
     case SPECIES_SHAYMIN:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
         memberIndex = 136 + (face / 2) + form * 2;
         break;
 
     case SPECIES_ROTOM:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
         memberIndex = 140 + (face / 2) + form * 2;
         break;
 
     case SPECIES_GIRATINA:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
         memberIndex = 152 + (face / 2) + form * 2;
         break;
 
     default:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT;
         memberIndex = species * 4 + face + (gender != GENDER_FEMALE ? 1 : 0);
         break;
     }
 
     u8 result;
-    NARC_ReadWholeMemberByIndexPair(&result, narcIndex, memberIndex);
+    NARC_ReadWholeMemberByIndexPair(&result, narcID, memberIndex);
     return result;
 }
 
@@ -2989,108 +2989,108 @@ static u8 LoadPokemonDPSpriteHeight(u16 species, u8 gender, u8 face, u8 form, u3
     // TODO enum values?
     form = Pokemon_SanitizeFormId(species, form);
 
-    int narcIndex;
+    enum NarcID narcID;
     int memberIndex;
     switch (species) {
     case SPECIES_BURMY:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT_O;
         memberIndex = 72 + (face / 2) + form * 2;
         break;
 
     case SPECIES_WORMADAM:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT_O;
         memberIndex = 78 + (face / 2) + form * 2;
         break;
 
     case SPECIES_SHELLOS:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT_O;
         memberIndex = 84 + face + form;
         break;
 
     case SPECIES_GASTRODON:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT_O;
         memberIndex = 88 + face + form;
         break;
 
     case SPECIES_CHERRIM:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT_O;
         memberIndex = 92 + face + form;
         break;
 
     case SPECIES_ARCEUS:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT_O;
         memberIndex = 96 + (face / 2) + form * 2;
         break;
 
     case SPECIES_CASTFORM:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT_O;
         memberIndex = 64 + face * 2 + form;
         break;
 
     case SPECIES_DEOXYS:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT_O;
         memberIndex = 0 + (face / 2) + form * 2;
         break;
 
     case SPECIES_UNOWN:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT_O;
         memberIndex = 8 + (face / 2) + form * 2;
         break;
 
     case SPECIES_EGG:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT_O;
         memberIndex = 132 + form;
         break;
 
     case SPECIES_BAD_EGG:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT_O;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT_O;
         memberIndex = 132;
         break;
 
     case SPECIES_SHAYMIN:
         if (form > 0) {
-            narcIndex = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
+            narcID = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
             memberIndex = 136 + (face / 2) + form * 2;
         } else {
-            narcIndex = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT;
+            narcID = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT;
             memberIndex = species * 4 + face + (gender != GENDER_FEMALE ? 1 : 0);
         }
         break;
 
     case SPECIES_ROTOM:
         if (form > 0) {
-            narcIndex = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
+            narcID = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
             memberIndex = 140 + (face / 2) + form * 2;
         } else {
-            narcIndex = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT;
+            narcID = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT;
             memberIndex = species * 4 + face + (gender != GENDER_FEMALE ? 1 : 0);
         }
         break;
 
     case SPECIES_GIRATINA:
         if (form > 0) {
-            narcIndex = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
+            narcID = NARC_INDEX_POKETOOL__POKEGRA__HEIGHT_O;
             memberIndex = 152 + (face / 2) + form * 2;
         } else {
-            narcIndex = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT;
+            narcID = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT;
             memberIndex = species * 4 + face + (gender != GENDER_FEMALE ? 1 : 0);
         }
         break;
 
     default:
-        narcIndex = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT;
+        narcID = NARC_INDEX_POKETOOL__POKEGRA__DP_HEIGHT;
         memberIndex = species * 4 + face + (gender != GENDER_FEMALE ? 1 : 0);
         break;
     }
 
     u8 result;
-    NARC_ReadWholeMemberByIndexPair(&result, narcIndex, memberIndex);
+    NARC_ReadWholeMemberByIndexPair(&result, narcID, memberIndex);
     return result;
 }
 
 void sub_0207697C(PokemonSpriteTemplate *param0, u16 param1)
 {
-    param0->archive = 60;
+    param0->narcID = 60;
     param0->character = param1 * 2;
     param0->palette = param1 * 2 + 1;
     param0->spindaSpots = 0;
diff --git a/src/pokemon_sprite.c b/src/pokemon_sprite.c
index 0442491898..9d6f75ec18 100644
--- a/src/pokemon_sprite.c
+++ b/src/pokemon_sprite.c
@@ -1328,7 +1328,7 @@ static void BufferPokemonSpriteCharData(PokemonSpriteManager *monSpriteMan)
             monSpriteMan->sprites[i].needReloadChar = FALSE;
 
             needLoadChar = TRUE;
-            ncgrFile = NARC_AllocAndReadWholeMemberByIndexPair(monSpriteMan->sprites[i].template.archive, monSpriteMan->sprites[i].template.character, monSpriteMan->heapID);
+            ncgrFile = NARC_AllocAndReadWholeMemberByIndexPair(monSpriteMan->sprites[i].template.narcID, monSpriteMan->sprites[i].template.character, monSpriteMan->heapID);
 
             NNS_G2dGetUnpackedCharacterData(ncgrFile, &charData);
 
@@ -1338,7 +1338,7 @@ static void BufferPokemonSpriteCharData(PokemonSpriteManager *monSpriteMan)
 
             rawCharData = charData->pRawData;
 
-            PokemonSprite_Decrypt(rawCharData, monSpriteMan->sprites[i].template.archive);
+            PokemonSprite_Decrypt(rawCharData, monSpriteMan->sprites[i].template.narcID);
             TryDrawSpindaSpots(&monSpriteMan->sprites[i], rawCharData);
 
             if (i == 3) {
@@ -1441,7 +1441,7 @@ static void BufferPokemonSpritePlttData(PokemonSpriteManager *monSpriteMan)
             monSpriteMan->sprites[i].needReloadPltt = FALSE;
 
             needReloadPltt = TRUE;
-            nclrFile = NARC_AllocAndReadWholeMemberByIndexPair(monSpriteMan->sprites[i].template.archive, monSpriteMan->sprites[i].template.palette, monSpriteMan->heapID);
+            nclrFile = NARC_AllocAndReadWholeMemberByIndexPair(monSpriteMan->sprites[i].template.narcID, monSpriteMan->sprites[i].template.palette, monSpriteMan->heapID);
 
             NNS_G2dGetUnpackedPaletteData(nclrFile, &plttData);
 
@@ -1609,7 +1609,7 @@ void PokemonSprite_DecryptDP(u8 *rawCharData)
     }
 }
 
-void PokemonSprite_Decrypt(u8 *rawCharData, int narcID)
+void PokemonSprite_Decrypt(u8 *rawCharData, enum NarcID narcID)
 {
     if (narcID == NARC_INDEX_POKETOOL__POKEGRA__POKEGRA || narcID == NARC_INDEX_POKETOOL__POKEGRA__OTHERPOKE) {
         PokemonSprite_DecryptDP(rawCharData);
diff --git a/src/render_window.c b/src/render_window.c
index 4b958acdcf..971da4f8c0 100644
--- a/src/render_window.c
+++ b/src/render_window.c
@@ -889,11 +889,11 @@ static void DrawPokemonPreviewSprite(UnkStruct_ov5_021D30A8 *param0, PokemonSpri
 
     // frame 0
     UnkStruct_02013610 v6 = { 0, 0, 10, 10 };
-    sub_020135F0(spriteTemplate->archive, spriteTemplate->character, param0->heapID, &v6, buf);
+    sub_020135F0(spriteTemplate->narcID, spriteTemplate->character, param0->heapID, &v6, buf);
 
     // frame 1
     UnkStruct_02013610 v7 = { 10, 0, 10, 10 };
-    sub_020135F0(spriteTemplate->archive, spriteTemplate->character, param0->heapID, &v7, buf + POKEMON_SPRITE_FRAME_SIZE_BYTES);
+    sub_020135F0(spriteTemplate->narcID, spriteTemplate->character, param0->heapID, &v7, buf + POKEMON_SPRITE_FRAME_SIZE_BYTES);
 
     charResource = SpriteResourceCollection_Find(param0->unk_194[SPRITE_RESOURCE_CHAR], POKEMON_PREVIEW_RESOURCE_ID);
     imageProxy = SpriteTransfer_GetImageProxy(charResource);
@@ -904,7 +904,7 @@ static void DrawPokemonPreviewSprite(UnkStruct_ov5_021D30A8 *param0, PokemonSpri
 
     Heap_FreeToHeap(buf);
 
-    buf = sub_02013660(spriteTemplate->archive, spriteTemplate->palette, param0->heapID);
+    buf = sub_02013660(spriteTemplate->narcID, spriteTemplate->palette, param0->heapID);
     plttResource = SpriteResourceCollection_Find(param0->unk_194[SPRITE_RESOURCE_PLTT], POKEMON_PREVIEW_RESOURCE_ID);
     paletteProxy = SpriteTransfer_GetPaletteProxy(plttResource, imageProxy);
     offset = NNS_G2dGetImagePaletteLocation(paletteProxy, NNS_G2D_VRAM_TYPE_2DMAIN);
diff --git a/src/sprite_resource.c b/src/sprite_resource.c
index e45a00f05a..2876294f09 100644
--- a/src/sprite_resource.c
+++ b/src/sprite_resource.c
@@ -52,7 +52,7 @@ typedef struct SpriteResourceTableBinary {
 
 static SpriteResource *SpriteResourceCollection_AllocResource(SpriteResourceCollection *spriteResources);
 static void SpriteResourceCollection_InitResFromFile(SpriteResourceCollection *spriteResources, SpriteResource *spriteRes, const char *filename, int id, NNS_G2D_VRAM_TYPE vramType, int paletteIdx, enum SpriteResourceType type, enum HeapId heapID);
-static void SpriteResourceCollection_InitRes(SpriteResourceCollection *spriteResources, SpriteResource *spriteRes, int narcIdx, int memberIdx, BOOL compressed, int id, NNS_G2D_VRAM_TYPE vramType, int paletteIdx, enum SpriteResourceType type, enum HeapId heapID, BOOL allocAtEnd);
+static void SpriteResourceCollection_InitRes(SpriteResourceCollection *spriteResources, SpriteResource *spriteRes, enum NarcID narcID, int memberIdx, BOOL compressed, int id, NNS_G2D_VRAM_TYPE vramType, int paletteIdx, enum SpriteResourceType type, enum HeapId heapID, BOOL allocAtEnd);
 static void SpriteResourceCollection_InitResFromNARC(SpriteResourceCollection *spriteResources, SpriteResource *spriteRes, NARC *narc, int memberIdx, BOOL compressed, int id, NNS_G2D_VRAM_TYPE vramType, int paletteIdx, enum SpriteResourceType type, enum HeapId heapID, BOOL allocAtEnd);
 static void *SpriteUtil_ReadNARCMember(NARC *narc, u32 memberIdx, BOOL compressed, u32 heapID, BOOL allocAtEnd);
 static void SpriteResource_UnpackData(SpriteResource *spriteRes, enum SpriteResourceType type, NNS_G2D_VRAM_TYPE vramType, int paletteIdx, enum HeapId heapID);
@@ -127,7 +127,7 @@ SpriteResource *SpriteResourceCollection_AddFromTable(SpriteResourceCollection *
         SpriteResourceCollection_InitRes(
             spriteResources,
             spriteRes,
-            narcEntry->narcIndex,
+            narcEntry->narcID,
             narcEntry->memberIndex,
             narcEntry->compressed,
             narcEntry->id,
@@ -142,7 +142,7 @@ SpriteResource *SpriteResourceCollection_AddFromTable(SpriteResourceCollection *
     return spriteRes;
 }
 
-SpriteResource *SpriteResourceCollection_AddTiles(SpriteResourceCollection *spriteResources, int narcIdx, int memberIdx, BOOL compressed, int id, NNS_G2D_VRAM_TYPE vramType, enum HeapId heapID)
+SpriteResource *SpriteResourceCollection_AddTiles(SpriteResourceCollection *spriteResources, enum NarcID narcID, int memberIdx, BOOL compressed, int id, NNS_G2D_VRAM_TYPE vramType, enum HeapId heapID)
 {
     GF_ASSERT(spriteResources);
     GF_ASSERT(spriteResources->type == SPRITE_RESOURCE_CHAR);
@@ -153,7 +153,7 @@ SpriteResource *SpriteResourceCollection_AddTiles(SpriteResourceCollection *spri
     SpriteResourceCollection_InitRes(
         spriteResources,
         spriteRes,
-        narcIdx,
+        narcID,
         memberIdx,
         compressed,
         id,
@@ -167,7 +167,7 @@ SpriteResource *SpriteResourceCollection_AddTiles(SpriteResourceCollection *spri
     return spriteRes;
 }
 
-SpriteResource *SpriteResourceCollection_AddPalette(SpriteResourceCollection *spriteResources, int narcIdx, int memberIdx, BOOL compressed, int id, NNS_G2D_VRAM_TYPE vramType, int paletteIdx, enum HeapId heapID)
+SpriteResource *SpriteResourceCollection_AddPalette(SpriteResourceCollection *spriteResources, enum NarcID narcID, int memberIdx, BOOL compressed, int id, NNS_G2D_VRAM_TYPE vramType, int paletteIdx, enum HeapId heapID)
 {
     GF_ASSERT(spriteResources);
     GF_ASSERT(spriteResources->type == SPRITE_RESOURCE_PLTT);
@@ -178,7 +178,7 @@ SpriteResource *SpriteResourceCollection_AddPalette(SpriteResourceCollection *sp
     SpriteResourceCollection_InitRes(
         spriteResources,
         spriteRes,
-        narcIdx,
+        narcID,
         memberIdx,
         compressed,
         id,
@@ -192,20 +192,20 @@ SpriteResource *SpriteResourceCollection_AddPalette(SpriteResourceCollection *sp
     return spriteRes;
 }
 
-SpriteResource *SpriteResourceCollection_Add(SpriteResourceCollection *spriteResources, int narcIdx, int memberIdx, BOOL compressed, int id, enum SpriteResourceType type, enum HeapId heapID)
+SpriteResource *SpriteResourceCollection_Add(SpriteResourceCollection *spriteResources, enum NarcID narcID, int memberIdx, BOOL compressed, int id, enum SpriteResourceType type, enum HeapId heapID)
 {
     GF_ASSERT(spriteResources);
 
     SpriteResource *spriteRes = SpriteResourceCollection_AllocResource(spriteResources);
     GF_ASSERT(spriteRes);
 
-    SpriteResourceCollection_InitRes(spriteResources, spriteRes, narcIdx, memberIdx, compressed, id, 0, 0, type, heapID, FALSE);
+    SpriteResourceCollection_InitRes(spriteResources, spriteRes, narcID, memberIdx, compressed, id, 0, 0, type, heapID, FALSE);
 
     spriteResources->count++;
     return spriteRes;
 }
 
-void SpriteResourceCollection_ModifyTiles(SpriteResourceCollection *spriteResources, SpriteResource *spriteRes, int narcIdx, int memberIdx, BOOL compressed, enum HeapId heapID)
+void SpriteResourceCollection_ModifyTiles(SpriteResourceCollection *spriteResources, SpriteResource *spriteRes, enum NarcID narcID, int memberIdx, BOOL compressed, enum HeapId heapID)
 {
     GF_ASSERT(spriteResources);
     GF_ASSERT(spriteResources->type == SPRITE_RESOURCE_CHAR);
@@ -216,10 +216,10 @@ void SpriteResourceCollection_ModifyTiles(SpriteResourceCollection *spriteResour
     NNS_G2D_VRAM_TYPE vramType = SpriteResource_GetVRAMType(spriteRes);
 
     SpriteResourceCollection_Remove(spriteResources, spriteRes);
-    SpriteResourceCollection_InitRes(spriteResources, spriteRes, narcIdx, memberIdx, compressed, id, vramType, 0, SPRITE_RESOURCE_CHAR, heapID, FALSE);
+    SpriteResourceCollection_InitRes(spriteResources, spriteRes, narcID, memberIdx, compressed, id, vramType, 0, SPRITE_RESOURCE_CHAR, heapID, FALSE);
 }
 
-void SpriteResourceCollection_ModifyPalette(SpriteResourceCollection *spriteResources, SpriteResource *spriteRes, int narcIdx, int memberIdx, BOOL compressed, enum HeapId heapID)
+void SpriteResourceCollection_ModifyPalette(SpriteResourceCollection *spriteResources, SpriteResource *spriteRes, enum NarcID narcID, int memberIdx, BOOL compressed, enum HeapId heapID)
 {
 
     GF_ASSERT(spriteResources);
@@ -235,7 +235,7 @@ void SpriteResourceCollection_ModifyPalette(SpriteResourceCollection *spriteReso
     SpriteResourceCollection_InitRes(
         spriteResources,
         spriteRes,
-        narcIdx,
+        narcID,
         memberIdx,
         compressed,
         id,
@@ -822,9 +822,9 @@ static void SpriteResourceCollection_InitResFromFile(SpriteResourceCollection *s
     SpriteResource_UnpackData(spriteRes, type, vramType, paletteIdx, heapID);
 }
 
-static void SpriteResourceCollection_InitRes(SpriteResourceCollection *spriteResources, SpriteResource *spriteRes, int narcIdx, int memberIdx, BOOL compressed, int id, NNS_G2D_VRAM_TYPE vramType, int paletteIdx, enum SpriteResourceType type, enum HeapId heapID, BOOL allocAtEnd)
+static void SpriteResourceCollection_InitRes(SpriteResourceCollection *spriteResources, SpriteResource *spriteRes, enum NarcID narcID, int memberIdx, BOOL compressed, int id, NNS_G2D_VRAM_TYPE vramType, int paletteIdx, enum SpriteResourceType type, enum HeapId heapID, BOOL allocAtEnd)
 {
-    void *data = LoadMemberFromNARC(narcIdx, memberIdx, compressed, heapID, allocAtEnd);
+    void *data = LoadMemberFromNARC(narcID, memberIdx, compressed, heapID, allocAtEnd);
 
     spriteRes->rawResource = ResourceCollection_Add(spriteResources->collection, data, id);
     spriteRes->type = type;
@@ -845,7 +845,7 @@ static void SpriteResourceCollection_InitResFromNARC(SpriteResourceCollection *s
 static int SpriteResourceTableEntryNARC_GetEntryCount(const SpriteResourceTableEntryNARC *entries)
 {
     int i = 0;
-    while (entries[i].narcIndex != NARC_INDEX_NONE) {
+    while (entries[i].narcID != NARC_INDEX_NONE) {
         i++;
     }
 
diff --git a/src/sprite_system.c b/src/sprite_system.c
index 798418bd1f..7e1ec0eb69 100644
--- a/src/sprite_system.c
+++ b/src/sprite_system.c
@@ -21,7 +21,7 @@
 #include "system.h"
 
 static Sprite *CreateSpriteFromResourceHeader(SpriteSystem *spriteSys, SpriteManager *spriteMan, int resourceHeaderID, s16 x, s16 y, s16 z, u16 animIdx, int priority, int plttIdx, enum NNS_G2D_VRAM_TYPE vramType, int param10, int param11, int param12, int param13);
-static BOOL LoadResObjInternal(SpriteSystem *spriteSys, SpriteManager *spriteMan, int narcID, int memberIdx, int compressed, int type, int resourceID);
+static BOOL LoadResObjInternal(SpriteSystem *spriteSys, SpriteManager *spriteMan, enum NarcID narcID, int memberIdx, int compressed, int type, int resourceID);
 static BOOL LoadResObjFromNarcInternal(SpriteSystem *spriteSys, SpriteManager *spriteMan, NARC *narc, int memberIdx, BOOL compressed, int type, int resourceID);
 static BOOL RegisterLoadedResource(SpriteResourceList *resourceList, SpriteResource *resource);
 static BOOL UnregisterLoadedResource(SpriteResourceCollection *ownedResources, SpriteResourceList *unownedResources, int resourceID);
@@ -337,7 +337,7 @@ BOOL SpriteSystem_InitManagerWithCapacities(SpriteSystem *spriteSys, SpriteManag
     return TRUE;
 }
 
-BOOL SpriteSystem_LoadCharResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, int narcID, int memberIdx, BOOL compressed, enum NNS_G2D_VRAM_TYPE vramType, int resourceID)
+BOOL SpriteSystem_LoadCharResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, enum NarcID narcID, int memberIdx, BOOL compressed, enum NNS_G2D_VRAM_TYPE vramType, int resourceID)
 {
     if (SpriteResourceCollection_IsIDUnused(spriteMan->ownedResources[SPRITE_RESOURCE_CHAR], resourceID) == FALSE) {
         return FALSE;
@@ -383,7 +383,7 @@ BOOL SpriteSystem_LoadCharResObjFromOpenNarc(SpriteSystem *spriteSys, SpriteMana
     return (resource == NULL) ? FALSE : TRUE;
 }
 
-s8 SpriteSystem_LoadPlttResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, int narcID, int memberIdx, BOOL compressed, int paletteIdx, enum NNS_G2D_VRAM_TYPE vramType, int resourceID)
+s8 SpriteSystem_LoadPlttResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, enum NarcID narcID, int memberIdx, BOOL compressed, int paletteIdx, enum NNS_G2D_VRAM_TYPE vramType, int resourceID)
 {
     if (SpriteResourceCollection_IsIDUnused(spriteMan->ownedResources[SPRITE_RESOURCE_PLTT], resourceID) == FALSE) {
         return -1;
@@ -434,7 +434,7 @@ s8 SpriteSystem_LoadPlttResObjFromOpenNarc(SpriteSystem *spriteSys, SpriteManage
     return -1;
 }
 
-u8 SpriteSystem_LoadPaletteBuffer(PaletteData *paletteData, enum PaletteBufferID bufferID, SpriteSystem *spriteSys, SpriteManager *spriteMan, int narcID, int memberIdx, BOOL compressed, int paletteIdx, enum NNS_G2D_VRAM_TYPE vramType, int resourceID)
+u8 SpriteSystem_LoadPaletteBuffer(PaletteData *paletteData, enum PaletteBufferID bufferID, SpriteSystem *spriteSys, SpriteManager *spriteMan, enum NarcID narcID, int memberIdx, BOOL compressed, int paletteIdx, enum NNS_G2D_VRAM_TYPE vramType, int resourceID)
 {
     int paletteOffset = SpriteSystem_LoadPlttResObj(spriteSys, spriteMan, narcID, memberIdx, compressed, paletteIdx, vramType, resourceID);
     if (paletteOffset != -1) {
@@ -454,7 +454,7 @@ u8 SpriteSystem_LoadPaletteBufferFromOpenNarc(PaletteData *paletteData, enum Pal
     return paletteOffset;
 }
 
-BOOL SpriteSystem_LoadCellResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, int narcID, int memberIdx, int compressed, int resourceID)
+BOOL SpriteSystem_LoadCellResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, enum NarcID narcID, int memberIdx, int compressed, int resourceID)
 {
     return LoadResObjInternal(spriteSys, spriteMan, narcID, memberIdx, compressed, SPRITE_RESOURCE_CELL, resourceID);
 }
@@ -464,7 +464,7 @@ BOOL SpriteSystem_LoadCellResObjFromOpenNarc(SpriteSystem *spriteSys, SpriteMana
     return LoadResObjFromNarcInternal(spriteSys, spriteMan, narc, memberIdx, compressed, SPRITE_RESOURCE_CELL, resourceID);
 }
 
-BOOL SpriteSystem_LoadAnimResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, int narcID, int memberIdx, int compressed, int resourceID)
+BOOL SpriteSystem_LoadAnimResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, enum NarcID narcID, int memberIdx, int compressed, int resourceID)
 {
     return LoadResObjInternal(spriteSys, spriteMan, narcID, memberIdx, compressed, SPRITE_RESOURCE_ANIM, resourceID);
 }
@@ -624,7 +624,7 @@ void Sprite_DeleteAndFreeResources(ManagedSprite *managedSprite)
     Heap_FreeToHeap(managedSprite);
 }
 
-static BOOL LoadResObjInternal(SpriteSystem *spriteSys, SpriteManager *spriteMan, int narcID, int memberIdx, int compressed, int type, int resourceID)
+static BOOL LoadResObjInternal(SpriteSystem *spriteSys, SpriteManager *spriteMan, enum NarcID narcID, int memberIdx, int compressed, int type, int resourceID)
 {
     if (SpriteResourceCollection_IsIDUnused(spriteMan->ownedResources[type], resourceID) == FALSE) {
         return FALSE;
@@ -1138,7 +1138,7 @@ u32 ManagedSprite_GetUserAttrForCurrentAnimFrame(ManagedSprite *managedSprite)
     return Sprite_GetUserAttrForCurrentAnimFrame(managedSprite->sprite);
 }
 
-BOOL SpriteSystem_LoadCharResObjWithHardwareMappingType(SpriteSystem *spriteSys, SpriteManager *spriteMan, int narcID, int memberIdx, BOOL compressed, enum NNS_G2D_VRAM_TYPE vramType, int resourceID)
+BOOL SpriteSystem_LoadCharResObjWithHardwareMappingType(SpriteSystem *spriteSys, SpriteManager *spriteMan, enum NarcID narcID, int memberIdx, BOOL compressed, enum NNS_G2D_VRAM_TYPE vramType, int resourceID)
 {
     if (SpriteResourceCollection_IsIDUnused(spriteMan->ownedResources[SPRITE_RESOURCE_CHAR], resourceID) == FALSE) {
         return FALSE;
@@ -1161,7 +1161,7 @@ BOOL SpriteSystem_LoadCharResObjWithHardwareMappingType(SpriteSystem *spriteSys,
     return (resource == NULL) ? FALSE : TRUE;
 }
 
-BOOL SpriteSystem_LoadCharResObjAtEndWithHardwareMappingType(SpriteSystem *spriteSys, SpriteManager *spriteMan, int narcID, int memberIdx, BOOL compressed, enum NNS_G2D_VRAM_TYPE vramType, int resourceID)
+BOOL SpriteSystem_LoadCharResObjAtEndWithHardwareMappingType(SpriteSystem *spriteSys, SpriteManager *spriteMan, enum NarcID narcID, int memberIdx, BOOL compressed, enum NNS_G2D_VRAM_TYPE vramType, int resourceID)
 {
     if (SpriteResourceCollection_IsIDUnused(spriteMan->ownedResources[SPRITE_RESOURCE_CHAR], resourceID) == FALSE) {
         return FALSE;
@@ -1207,7 +1207,7 @@ BOOL SpriteSystem_LoadCharResObjFromOpenNarcWithHardwareMappingType(SpriteSystem
     return (resource == NULL) ? FALSE : TRUE;
 }
 
-void SpriteSystem_ReplaceCharResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, int narcID, int memberIdx, BOOL compressed, int resourceID)
+void SpriteSystem_ReplaceCharResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, enum NarcID narcID, int memberIdx, BOOL compressed, int resourceID)
 {
     SpriteResource *resource = SpriteResourceCollection_Find(spriteMan->ownedResources[SPRITE_RESOURCE_CHAR], resourceID);
     SpriteResourceCollection_ModifyTiles(spriteMan->ownedResources[SPRITE_RESOURCE_CHAR],
@@ -1219,7 +1219,7 @@ void SpriteSystem_ReplaceCharResObj(SpriteSystem *spriteSys, SpriteManager *spri
     SpriteTransfer_RetransferCharData(resource);
 }
 
-void SpriteSystem_ReplacePlttResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, int narcID, int memberIdx, BOOL compressed, int resourceID)
+void SpriteSystem_ReplacePlttResObj(SpriteSystem *spriteSys, SpriteManager *spriteMan, enum NarcID narcID, int memberIdx, BOOL compressed, int resourceID)
 {
     SpriteResource *resource = SpriteResourceCollection_Find(spriteMan->ownedResources[SPRITE_RESOURCE_PLTT], resourceID);
     SpriteResourceCollection_ModifyPalette(spriteMan->ownedResources[SPRITE_RESOURCE_PLTT],
diff --git a/src/unk_0207C908.c b/src/unk_0207C908.c
index 7e2e815b19..43bf39a1ad 100644
--- a/src/unk_0207C908.c
+++ b/src/unk_0207C908.c
@@ -3,6 +3,8 @@
 #include <nitro.h>
 #include <string.h>
 
+#include "constants/narc.h"
+
 #include "palette.h"
 #include "sprite_system.h"
 
@@ -97,9 +99,9 @@ u8 sub_0207C92C(int param0)
     return Unk_020F0B4C[param0];
 }
 
-u32 sub_0207C944(void)
+enum NarcID sub_0207C944(void)
 {
-    return 27;
+    return NARC_INDEX_BATTLE__GRAPHIC__PL_BATT_OBJ;
 }
 
 void sub_0207C948(SpriteSystem *param0, SpriteManager *param1, NNS_G2D_VRAM_TYPE param2, int param3, u32 param4)
@@ -168,9 +170,9 @@ u8 sub_0207CAA8(int param0)
     return Unk_020F0AE0[param0];
 }
 
-u32 sub_0207CAC0(void)
+enum NarcID sub_0207CAC0(void)
 {
-    return 27;
+    return NARC_INDEX_BATTLE__GRAPHIC__PL_BATT_OBJ;
 }
 
 void sub_0207CAC4(SpriteSystem *param0, SpriteManager *param1, NNS_G2D_VRAM_TYPE param2, int param3, u32 param4)
diff --git a/src/unk_02094EDC.c b/src/unk_02094EDC.c
index ab859eda86..180179adc0 100644
--- a/src/unk_02094EDC.c
+++ b/src/unk_02094EDC.c
@@ -671,9 +671,9 @@ PokemonSprite *sub_02095484(PokemonSpriteManager *param0, int param1, Pokemon *p
 
     if (param4 != NULL) {
         GF_ASSERT(param4->unk_00 != NULL);
-        sub_02013610(v0.archive, v0.character, heapID, param4->unk_00);
+        sub_02013610(v0.narcID, v0.character, heapID, param4->unk_00);
         param4->unk_08 = v0.palette;
-        param4->unk_04 = v0.archive;
+        param4->unk_04 = v0.narcID;
     }
 
     v1 = PokemonSpriteManager_CreateSprite(param0, &v0, param6, param7 + v2, param8, param1, NULL, NULL);