diff --git a/data/data_8107010.s b/data/data_8107010.s
index 90934e658..a129b8916 100644
--- a/data/data_8107010.s
+++ b/data/data_8107010.s
@@ -48,7 +48,7 @@ gUnknown_810702C: @ 810702C
 .string "pksdir0\0"
 .string "pksdir0\0"
 .string "pksdir0\0"
-@ sub_807DF38
+@ HandleExplosion 
 .string "pksdir0\0"
 
 .global gUnknown_81070E8
diff --git a/include/structs/map.h b/include/structs/map.h
index 1d10fc4fc..8e98ced99 100644
--- a/include/structs/map.h
+++ b/include/structs/map.h
@@ -26,6 +26,8 @@ enum TerrainType
     TERRAIN_TYPE_UNK_x400 = 1 << 10,
     TERRAIN_TYPE_UNK_x800 = 1 << 11,
     TERRAIN_TYPE_UNK_x1000 = 1 << 12,
+    TERRAIN_TYPE_UNK_x2000 = 1 << 13,
+    TERRAIN_TYPE_UNK_x4000 = 1 << 14,
     TERRAIN_TYPE_UNREACHABLE_FROM_STAIRS = 1 << 15, // 0x8000
 };
 
diff --git a/ld_script.txt b/ld_script.txt
index 9dcc39f80..3d8fd85cd 100755
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -268,7 +268,6 @@ SECTIONS {
         src/dungeon_ai_attack.o(.text);
         src/targeting_flags.o(.text);
         src/code_807CD9C.o(.text);
-        asm/code_807CD9C.o(.text);
         src/code_807E1A0.o(.text);
         src/weather.o(.text);
         asm/code_807E5AC.o(.text);
diff --git a/src/code_807CD9C.c b/src/code_807CD9C.c
index 6878c3248..cb67ff74c 100644
--- a/src/code_807CD9C.c
+++ b/src/code_807CD9C.c
@@ -1,6 +1,7 @@
 #include "global.h"
 
 #include "constants/ability.h"
+#include "constants/weather.h"
 #include "code_803E46C.h"
 #include "code_8045A00.h"
 #include "dungeon_message.h"
@@ -10,6 +11,7 @@
 #include "code_8077274_1.h"
 #include "dungeon_ai.h"
 #include "dungeon_engine.h"
+#include "dungeon_generation.h"
 #include "dungeon_movement.h"
 #include "dungeon_pokemon_attributes.h"
 #include "dungeon_map_access.h"
@@ -19,8 +21,12 @@
 #include "moves.h"
 #include "move_util.h"
 #include "code_8041AD0.h"
+#include "tile_types.h"
+#include "code_803E668.h"
+#include "weather.h"
 
 extern u32 gUnknown_202EDCC;
+extern u32 gUnknown_203B444[];
 
 extern s16 gUnknown_80F4F90;
 extern u8 *gUnknown_80FCA10[];
@@ -34,7 +40,25 @@ extern u8 *gUnknown_80FC9A0[];
 extern u8 *gUnknown_80FC584[];
 extern u8 *gUnknown_80FD320[];
 extern u8 *gUnknown_80FD2F8[];
+extern u8 *gUnknown_80FCB98[];
+extern u8 *gUnknown_80FC9C0[];
+extern u8 *gUnknown_80FD060[];
+extern u8 *gUnknown_80FD08C[];
+extern u8 *gUnknown_80FD05C[];
+extern u8 *gUnknown_80FD3D0[];
+extern u8 *gUnknown_80FD3CC[];
+extern u8 *gUnknown_80FD3C8[];
+extern u8 *gUnknown_80FD3A0[];
+extern u8 *gUnknown_80F96BC[];
+extern u8 *gUnknown_80F96EC[];
+extern struct DungeonPos *gUnknown_8107178[3];
 
+extern void sub_807E1A0(Entity *pokemon,Entity *target,u8 moveType,s32 param_4,s32 param_5); // TODO: param_4 should be s16
+extern void sub_804216C(Entity *pokemon, Entity *target, u32 r2);
+extern void sub_80461C8(DungeonPos *, u32);
+extern void sub_804218C(Entity *pokemon, Entity *target);
+
+void sub_804EB30();
 bool8 ExposeTrap(s32 x, s32 y);
 void sub_8040A84();
 void sub_8049ED4();
@@ -111,7 +135,7 @@ void sub_807CD9C(Entity *pokemon, Entity *target, u32 direction)
                     goto _0807CF26;
                 }
                 if (sub_80705F0(target,&sp_0x18)){
-                    flag = (tile->terrainType & 3) == 0 ? FALSE : TRUE;
+                    flag = (tile->terrainType & (TERRAIN_TYPE_NORMAL | TERRAIN_TYPE_SECONDARY)) == 0 ? FALSE : TRUE;
                     goto _0807CF20;
                 }
                 sub_80694C0(target,sp_0x18.x,sp_0x18.y,1);
@@ -381,3 +405,950 @@ bool8 ExposeTrap(s32 x,s32 y)
         return FALSE;
     }
 }
+
+// https://decomp.me/scratch/P5sBc
+NAKED
+void HandleTrawlOrbAction(Entity *pokemon, Entity *target)
+{
+asm_unified(
+"push {r4-r7,lr}\n"
+"mov r7, r10\n"
+"mov r6, r9\n"
+"mov r5, r8\n"
+"push {r5-r7}\n"
+"ldr r4, _0807D540\n"
+"add sp, r4\n"
+"ldr r1, _0807D544\n"
+"add r1, sp\n"
+"str r0, [r1]\n"
+"movs r2, 0\n"
+"movs r3, 0xD1\n"
+"lsls r3, 4\n"
+"add r3, sp\n"
+"str r2, [r3]\n"
+"ldr r4, _0807D548\n"
+"add r4, sp\n"
+"str r2, [r4]\n"
+"add r5, sp, 0x4\n"
+"mov r8, r5\n"
+"mov r10, r2\n"
+"mov r9, r2\n"
+"add r7, sp, 0x8\n"
+"b _0807D606\n"
+".align 2, 0\n"
+"_0807D540: .4byte 0xfffff2d4\n"
+"_0807D544: .4byte 0x00000d08\n"
+"_0807D548: .4byte 0x00000d0c\n"
+"_0807D54C:\n"
+"movs r0, 0x4\n"
+"ldrsh r1, [r5, r0]\n"
+"ldr r2, _0807D650\n"
+"add r2, sp\n"
+"ldr r2, [r2]\n"
+"movs r3, 0x4\n"
+"ldrsh r0, [r2, r3]\n"
+"subs r1, r0\n"
+"cmp r1, 0\n"
+"bge _0807D562\n"
+"negs r1, r1\n"
+"_0807D562:\n"
+"cmp r1, 0x2\n"
+"bgt _0807D580\n"
+"movs r3, 0x6\n"
+"ldrsh r1, [r5, r3]\n"
+"ldr r4, _0807D650\n"
+"add r4, sp\n"
+"ldr r4, [r4]\n"
+"movs r2, 0x6\n"
+"ldrsh r0, [r4, r2]\n"
+"subs r1, r0\n"
+"cmp r1, 0\n"
+"bge _0807D57C\n"
+"negs r1, r1\n"
+"_0807D57C:\n"
+"cmp r1, 0x2\n"
+"ble _0807D5FE\n"
+"_0807D580:\n"
+"movs r1, 0x4\n"
+"ldrsh r0, [r5, r1]\n"
+"movs r2, 0x6\n"
+"ldrsh r1, [r5, r2]\n"
+"bl GetTile\n"
+"ldrh r1, [r0]\n"
+"movs r2, 0x3\n"
+"adds r0, r2, 0\n"
+"ands r0, r1\n"
+"cmp r0, 0\n"
+"beq _0807D5FE\n"
+"mov r3, r8\n"
+"str r2, [r3]\n"
+"ldr r4, _0807D654\n"
+"add r4, sp\n"
+"ldr r1, _0807D658\n"
+"add r1, sp\n"
+"ldr r1, [r1]\n"
+"lsls r0, r1, 2\n"
+"adds r4, r0\n"
+"str r4, [r7, 0x6C]\n"
+"ldr r0, [r5, 0x4]\n"
+"str r0, [r7]\n"
+"movs r2, 0x4\n"
+"ldrsh r0, [r5, r2]\n"
+"lsls r1, r0, 1\n"
+"adds r1, r0\n"
+"lsls r1, 3\n"
+"adds r1, 0x4\n"
+"lsls r1, 8\n"
+"movs r3, 0x6\n"
+"ldrsh r0, [r5, r3]\n"
+"lsls r2, r0, 1\n"
+"adds r2, r0\n"
+"lsls r2, 3\n"
+"adds r2, 0x4\n"
+"lsls r2, 8\n"
+"mov r0, r8\n"
+"bl SetEntityPixelPos\n"
+"movs r2, 0\n"
+"movs r1, 0\n"
+"strh r1, [r7, 0x22]\n"
+"movs r0, 0x1\n"
+"strb r0, [r7, 0x1C]\n"
+"strb r2, [r7, 0x1E]\n"
+"str r1, [r7, 0x18]\n"
+"ldr r0, _0807D65C\n"
+"ldr r0, [r0]\n"
+"ldr r5, _0807D660\n"
+"adds r0, r5\n"
+"add r0, r9\n"
+"ldr r0, [r0]\n"
+"str r0, [r4]\n"
+"adds r7, 0x74\n"
+"movs r0, 0x74\n"
+"add r8, r0\n"
+"ldr r2, _0807D658\n"
+"add r2, sp\n"
+"ldr r1, [r2]\n"
+"adds r1, 0x1\n"
+"str r1, [r2]\n"
+"_0807D5FE:\n"
+"movs r3, 0x4\n"
+"add r9, r3\n"
+"movs r4, 0x1\n"
+"add r10, r4\n"
+"_0807D606:\n"
+"ldr r0, _0807D65C\n"
+"ldr r1, [r0]\n"
+"ldr r5, _0807D664\n"
+"adds r0, r1, r5\n"
+"movs r2, 0\n"
+"ldrsh r0, [r0, r2]\n"
+"cmp r10, r0\n"
+"bge _0807D634\n"
+"ldr r3, _0807D668\n"
+"adds r0, r1, r3\n"
+"add r0, r9\n"
+"ldr r5, [r0]\n"
+"adds r0, r5, 0\n"
+"bl EntityExists\n"
+"lsls r0, 24\n"
+"cmp r0, 0\n"
+"beq _0807D5FE\n"
+"ldr r4, _0807D658\n"
+"add r4, sp\n"
+"ldr r4, [r4]\n"
+"cmp r4, 0x18\n"
+"ble _0807D54C\n"
+"_0807D634:\n"
+"ldr r5, _0807D658\n"
+"add r5, sp\n"
+"ldr r5, [r5]\n"
+"cmp r5, 0\n"
+"bne _0807D670\n"
+"ldr r0, _0807D66C\n"
+"ldr r1, [r0]\n"
+"ldr r2, _0807D650\n"
+"add r2, sp\n"
+"ldr r0, [r2]\n"
+"bl LogMessageByIdWithPopupCheckUser\n"
+"b _0807D9F4\n"
+".align 2, 0\n"
+"_0807D650: .4byte 0x00000d08\n"
+"_0807D654: .4byte 0x00000b58\n"
+"_0807D658: .4byte 0x00000d0c\n"
+"_0807D65C: .4byte gDungeon\n"
+"_0807D660: .4byte 0x00003804\n"
+"_0807D664: .4byte 0x00003904\n"
+"_0807D668: .4byte 0x0001361c\n"
+"_0807D66C: .4byte gUnknown_80FE034\n"
+"_0807D670:\n"
+"movs r1, 0\n"
+"movs r7, 0x1D\n"
+"ldr r0, _0807D754\n"
+"add r0, sp\n"
+"_0807D678:\n"
+"strb r1, [r0]\n"
+"subs r0, 0x1\n"
+"subs r7, 0x1\n"
+"cmp r7, 0\n"
+"bge _0807D678\n"
+"movs r7, 0\n"
+"ldr r3, _0807D758\n"
+"add r3, sp\n"
+"ldr r3, [r3]\n"
+"cmp r7, r3\n"
+"blt _0807D690\n"
+"b _0807D7CC\n"
+"_0807D690:\n"
+"ldr r4, _0807D75C\n"
+"mov r10, r4\n"
+"ldr r5, _0807D760\n"
+"movs r0, 0\n"
+"ldrsh r5, [r5, r0]\n"
+"ldr r0, _0807D764\n"
+"add r0, sp\n"
+"str r5, [r0]\n"
+"_0807D6A0:\n"
+"movs r1, 0\n"
+"mov r9, r1\n"
+"ldr r2, _0807D768\n"
+"add r2, sp\n"
+"ldr r2, [r2]\n"
+"ldrh r0, [r2, 0x4]\n"
+"ldr r1, _0807D76C\n"
+"ands r6, r1\n"
+"orrs r6, r0\n"
+"ldrh r0, [r2, 0x6]\n"
+"lsls r0, 16\n"
+"mov r4, r10\n"
+"ands r6, r4\n"
+"orrs r6, r0\n"
+"mov r4, r9\n"
+"adds r5, r7, 0x1\n"
+"movs r0, 0xD2\n"
+"lsls r0, 4\n"
+"add r0, sp\n"
+"str r5, [r0]\n"
+"ldr r1, _0807D760\n"
+"ldr r2, _0807D764\n"
+"add r2, sp\n"
+"ldr r2, [r2]\n"
+"cmp r2, 0x63\n"
+"beq _0807D790\n"
+"ldr r3, _0807D770\n"
+"add r3, sp\n"
+"mov r8, r3\n"
+"_0807D6DA:\n"
+"ldr r0, _0807D774\n"
+"add r0, sp\n"
+"adds r0, r4\n"
+"ldr r5, _0807D778\n"
+"add r5, sp\n"
+"str r0, [r5]\n"
+"ldrb r0, [r0]\n"
+"cmp r0, 0\n"
+"bne _0807D77C\n"
+"lsls r2, r4, 2\n"
+"adds r2, r1\n"
+"ldrh r0, [r2]\n"
+"ldr r1, _0807D768\n"
+"add r1, sp\n"
+"ldr r1, [r1]\n"
+"ldrh r1, [r1, 0x4]\n"
+"adds r0, r1\n"
+"lsls r0, 16\n"
+"lsrs r0, 16\n"
+"ldr r1, _0807D76C\n"
+"ands r6, r1\n"
+"orrs r6, r0\n"
+"ldrh r0, [r2, 0x2]\n"
+"ldr r2, _0807D768\n"
+"add r2, sp\n"
+"ldr r2, [r2]\n"
+"ldrh r2, [r2, 0x6]\n"
+"adds r0, r2\n"
+"lsls r0, 16\n"
+"mov r3, r10\n"
+"ands r6, r3\n"
+"orrs r6, r0\n"
+"lsls r0, r6, 16\n"
+"asrs r0, 16\n"
+"asrs r1, r6, 16\n"
+"bl GetTile\n"
+"adds r2, r0, 0\n"
+"ldrh r1, [r2]\n"
+"movs r3, 0x3\n"
+"ands r3, r1\n"
+"cmp r3, 0x1\n"
+"bne _0807D77C\n"
+"movs r5, 0x80\n"
+"lsls r5, 2\n"
+"adds r0, r5, 0\n"
+"ands r0, r1\n"
+"cmp r0, 0\n"
+"bne _0807D77C\n"
+"ldr r0, [r2, 0x14]\n"
+"cmp r0, 0\n"
+"bne _0807D77C\n"
+"lsls r0, r7, 2\n"
+"add r0, r8\n"
+"str r6, [r0]\n"
+"ldr r0, _0807D778\n"
+"add r0, sp\n"
+"ldr r0, [r0]\n"
+"strb r3, [r0]\n"
+"b _0807D7B8\n"
+".align 2, 0\n"
+"_0807D754: .4byte 0x00000d05\n"
+"_0807D758: .4byte 0x00000d0c\n"
+"_0807D75C: .4byte 0x0000ffff\n"
+"_0807D760: .4byte gUnknown_80F4468\n"
+"_0807D764: .4byte 0x00000d18\n"
+"_0807D768: .4byte 0x00000d08\n"
+"_0807D76C: .4byte 0xffff0000\n"
+"_0807D770: .4byte 0x00000bbc\n"
+"_0807D774: .4byte 0x00000ce8\n"
+"_0807D778: .4byte 0x00000d28\n"
+"_0807D77C:\n"
+"adds r4, 0x1\n"
+"cmp r4, 0x1D\n"
+"bgt _0807D790\n"
+"lsls r0, r4, 2\n"
+"ldr r1, _0807D9B4\n"
+"adds r0, r1\n"
+"movs r2, 0\n"
+"ldrsh r0, [r0, r2]\n"
+"cmp r0, 0x63\n"
+"bne _0807D6DA\n"
+"_0807D790:\n"
+"mov r3, r9\n"
+"cmp r3, 0\n"
+"bne _0807D7B8\n"
+"movs r0, 0x74\n"
+"muls r0, r7\n"
+"add r0, sp\n"
+"adds r0, 0x4\n"
+"str r3, [r0]\n"
+"ldr r1, _0807D9B8\n"
+"add r1, sp\n"
+"lsls r0, r7, 2\n"
+"adds r1, r0\n"
+"ldrh r2, [r1]\n"
+"mov r0, r10\n"
+"orrs r0, r2\n"
+"strh r0, [r1]\n"
+"ldrh r2, [r1, 0x2]\n"
+"mov r0, r10\n"
+"orrs r0, r2\n"
+"strh r0, [r1, 0x2]\n"
+"_0807D7B8:\n"
+"movs r4, 0xD2\n"
+"lsls r4, 4\n"
+"add r4, sp\n"
+"ldr r7, [r4]\n"
+"ldr r5, _0807D9BC\n"
+"add r5, sp\n"
+"ldr r5, [r5]\n"
+"cmp r7, r5\n"
+"bge _0807D7CC\n"
+"b _0807D6A0\n"
+"_0807D7CC:\n"
+"movs r7, 0\n"
+"ldr r0, _0807D9BC\n"
+"add r0, sp\n"
+"ldr r0, [r0]\n"
+"cmp r7, r0\n"
+"bge _0807D866\n"
+"_0807D7D8:\n"
+"movs r0, 0x74\n"
+"adds r1, r7, 0\n"
+"muls r1, r0\n"
+"mov r8, r1\n"
+"mov r4, sp\n"
+"add r4, r8\n"
+"adds r4, 0x4\n"
+"adds r0, r4, 0\n"
+"bl EntityExists\n"
+"lsls r0, 24\n"
+"cmp r0, 0\n"
+"beq _0807D85A\n"
+"adds r0, r4, 0x4\n"
+"movs r1, 0x1\n"
+"bl sub_80461C8\n"
+"movs r2, 0x4\n"
+"ldrsh r0, [r4, r2]\n"
+"movs r3, 0x6\n"
+"ldrsh r1, [r4, r3]\n"
+"bl sub_80402AC\n"
+"movs r5, 0xC2\n"
+"lsls r5, 4\n"
+"add r5, sp\n"
+"lsls r6, r7, 3\n"
+"adds r5, r6\n"
+"ldr r4, _0807D9B8\n"
+"add r4, sp\n"
+"lsls r0, r7, 2\n"
+"adds r4, r0\n"
+"movs r0, 0\n"
+"ldrsh r1, [r4, r0]\n"
+"lsls r0, r1, 1\n"
+"adds r0, r1\n"
+"lsls r0, 3\n"
+"adds r0, 0x4\n"
+"lsls r0, 8\n"
+"add r1, sp, 0x10\n"
+"add r1, r8\n"
+"ldr r1, [r1]\n"
+"subs r0, r1\n"
+"movs r1, 0x3C\n"
+"bl __divsi3\n"
+"str r0, [r5]\n"
+"ldr r5, _0807D9C0\n"
+"add r5, sp\n"
+"adds r5, r6\n"
+"movs r2, 0x2\n"
+"ldrsh r1, [r4, r2]\n"
+"lsls r0, r1, 1\n"
+"adds r0, r1\n"
+"lsls r0, 3\n"
+"adds r0, 0x4\n"
+"lsls r0, 8\n"
+"add r1, sp, 0x14\n"
+"add r1, r8\n"
+"ldr r1, [r1]\n"
+"subs r0, r1\n"
+"movs r1, 0x3C\n"
+"bl __divsi3\n"
+"str r0, [r5]\n"
+"_0807D85A:\n"
+"adds r7, 0x1\n"
+"ldr r3, _0807D9BC\n"
+"add r3, sp\n"
+"ldr r3, [r3]\n"
+"cmp r7, r3\n"
+"blt _0807D7D8\n"
+"_0807D866:\n"
+"movs r1, 0xD1\n"
+"lsls r1, 1\n"
+"ldr r4, _0807D9C4\n"
+"add r4, sp\n"
+"ldr r0, [r4]\n"
+"bl sub_80421C0\n"
+"movs r5, 0\n"
+"mov r9, r5\n"
+"ldr r0, _0807D9C8\n"
+"ldr r0, [r0]\n"
+"ldr r1, _0807D9CC\n"
+"adds r0, r1\n"
+"ldrb r0, [r0]\n"
+"ldr r2, _0807D9D0\n"
+"add r2, sp\n"
+"str r0, [r2]\n"
+"mov r10, r5\n"
+"movs r6, 0\n"
+"_0807D88C:\n"
+"movs r7, 0\n"
+"mov r3, r10\n"
+"adds r3, 0x22\n"
+"ldr r4, _0807D9D4\n"
+"add r4, sp\n"
+"str r3, [r4]\n"
+"adds r5, r6, 0x1\n"
+"ldr r0, _0807D9D8\n"
+"add r0, sp\n"
+"str r5, [r0]\n"
+"ldr r1, _0807D9BC\n"
+"add r1, sp\n"
+"ldr r1, [r1]\n"
+"cmp r7, r1\n"
+"bge _0807D916\n"
+"mov r2, r9\n"
+"lsls r2, 24\n"
+"mov r8, r2\n"
+"_0807D8B0:\n"
+"movs r0, 0x74\n"
+"adds r5, r7, 0\n"
+"muls r5, r0\n"
+"mov r4, sp\n"
+"adds r4, r5\n"
+"adds r4, 0x4\n"
+"adds r0, r4, 0\n"
+"bl EntityExists\n"
+"lsls r0, 24\n"
+"cmp r0, 0\n"
+"beq _0807D90A\n"
+"movs r0, 0xC2\n"
+"lsls r0, 4\n"
+"add r0, sp\n"
+"lsls r2, r7, 3\n"
+"adds r0, r2\n"
+"ldr r1, [r0]\n"
+"ldr r0, _0807D9C0\n"
+"add r0, sp\n"
+"adds r0, r2\n"
+"ldr r2, [r0]\n"
+"adds r0, r4, 0\n"
+"bl IncreaseEntityPixelPos\n"
+"mov r0, r10\n"
+"bl sin_4096\n"
+"add r2, sp, 0x20\n"
+"adds r2, r5\n"
+"lsls r1, r0, 1\n"
+"adds r1, r0\n"
+"lsls r1, 2\n"
+"str r1, [r2]\n"
+"movs r0, 0\n"
+"str r0, [sp]\n"
+"adds r0, r4, 0\n"
+"ldr r3, _0807D9D0\n"
+"add r3, sp\n"
+"ldr r1, [r3]\n"
+"movs r2, 0\n"
+"mov r4, r8\n"
+"lsrs r3, r4, 24\n"
+"bl sub_80462AC\n"
+"_0807D90A:\n"
+"adds r7, 0x1\n"
+"ldr r5, _0807D9BC\n"
+"add r5, sp\n"
+"ldr r5, [r5]\n"
+"cmp r7, r5\n"
+"blt _0807D8B0\n"
+"_0807D916:\n"
+"movs r0, 0x13\n"
+"bl sub_803E46C\n"
+"ldr r0, _0807D9D4\n"
+"add r0, sp\n"
+"ldr r0, [r0]\n"
+"mov r10, r0\n"
+"movs r0, 0x3\n"
+"ands r0, r6\n"
+"cmp r0, 0\n"
+"bne _0807D930\n"
+"movs r1, 0x1\n"
+"add r9, r1\n"
+"_0807D930:\n"
+"movs r0, 0x7\n"
+"mov r2, r9\n"
+"ands r2, r0\n"
+"mov r9, r2\n"
+"ldr r3, _0807D9D8\n"
+"add r3, sp\n"
+"ldr r6, [r3]\n"
+"cmp r6, 0x3B\n"
+"ble _0807D88C\n"
+"movs r7, 0\n"
+"ldr r4, _0807D9BC\n"
+"add r4, sp\n"
+"ldr r4, [r4]\n"
+"cmp r7, r4\n"
+"bge _0807D996\n"
+"_0807D94E:\n"
+"ldr r0, _0807D9B8\n"
+"add r0, sp\n"
+"lsls r1, r7, 2\n"
+"adds r4, r0, r1\n"
+"movs r5, 0\n"
+"ldrsh r0, [r4, r5]\n"
+"cmp r0, 0\n"
+"blt _0807D98A\n"
+"movs r0, 0x74\n"
+"muls r0, r7\n"
+"add r0, sp\n"
+"adds r0, 0x4\n"
+"bl GetItemData\n"
+"adds r1, r0, 0\n"
+"adds r0, r4, 0\n"
+"movs r2, 0x1\n"
+"bl sub_80460F8\n"
+"movs r1, 0\n"
+"ldrsh r0, [r4, r1]\n"
+"movs r2, 0x2\n"
+"ldrsh r1, [r4, r2]\n"
+"bl sub_80402AC\n"
+"movs r3, 0x1\n"
+"movs r4, 0xD1\n"
+"lsls r4, 4\n"
+"add r4, sp\n"
+"str r3, [r4]\n"
+"_0807D98A:\n"
+"adds r7, 0x1\n"
+"ldr r5, _0807D9BC\n"
+"add r5, sp\n"
+"ldr r5, [r5]\n"
+"cmp r7, r5\n"
+"blt _0807D94E\n"
+"_0807D996:\n"
+"movs r0, 0xD1\n"
+"lsls r0, 4\n"
+"add r0, sp\n"
+"ldr r0, [r0]\n"
+"cmp r0, 0\n"
+"beq _0807D9E0\n"
+"ldr r0, _0807D9DC\n"
+"ldr r1, [r0]\n"
+"ldr r2, _0807D9C4\n"
+"add r2, sp\n"
+"ldr r0, [r2]\n"
+"bl LogMessageByIdWithPopupCheckUser\n"
+"b _0807D9EE\n"
+".align 2, 0\n"
+"_0807D9B4: .4byte gUnknown_80F4468\n"
+"_0807D9B8: .4byte 0x00000bbc\n"
+"_0807D9BC: .4byte 0x00000d0c\n"
+"_0807D9C0: .4byte 0x00000c24\n"
+"_0807D9C4: .4byte 0x00000d08\n"
+"_0807D9C8: .4byte gDungeon\n"
+"_0807D9CC: .4byte 0x00018210\n"
+"_0807D9D0: .4byte 0x00000d14\n"
+"_0807D9D4: .4byte 0x00000d1c\n"
+"_0807D9D8: .4byte 0x00000d24\n"
+"_0807D9DC: .4byte gUnknown_80FE060\n"
+"_0807D9E0:\n"
+"ldr r0, _0807DA08\n"
+"ldr r1, [r0]\n"
+"ldr r3, _0807DA0C\n"
+"add r3, sp\n"
+"ldr r0, [r3]\n"
+"bl LogMessageByIdWithPopupCheckUser\n"
+"_0807D9EE:\n"
+"movs r0, 0x1\n"
+"bl sub_807EC28\n"
+"_0807D9F4:\n"
+"ldr r3, _0807DA10\n"
+"add sp, r3\n"
+"pop {r3-r5}\n"
+"mov r8, r3\n"
+"mov r9, r4\n"
+"mov r10, r5\n"
+"pop {r4-r7}\n"
+"pop {r0}\n"
+"bx r0\n"
+".align 2, 0\n"
+"_0807DA08: .4byte gUnknown_80FE034\n"
+"_0807DA0C: .4byte 0x00000d08\n"
+"_0807DA10: .4byte 0x00000d2c");
+}
+
+
+void HandlePounceOrbAction(Entity *pokemon, Entity *target, u8 r2) {
+    EntityInfo *info;
+    const Tile *tile;
+    DungeonPos pos;
+    u32 direction = r2;
+    info = GetEntInfo(target);
+    if(HasAbility(target, 0xE))
+    {
+        SubstitutePlaceholderStringTags(gFormatBuffer_Monsters[0], target, 0);
+        TryDisplayDungeonLoggableMessage3(pokemon, target, *gUnknown_80FCB98);
+        return;
+    }
+    if(IsCurrentFixedRoomBossFight())
+    {
+        TryDisplayDungeonLoggableMessage3(pokemon, target, *gUnknown_80FC9C0);
+        return;
+    }
+    if(direction == NUM_DIRECTIONS)
+        direction = info->action.direction;
+    sub_806CDD4(target, 6, direction);
+
+
+    while (1)
+    {
+        pos.x = target->pos.x + gAdjacentTileOffsets[direction].x;
+        pos.y = target->pos.y + gAdjacentTileOffsets[direction].y;
+
+        if(pos.x <= 0 || pos.y <= 0 || pos.x > 0x36 || pos.y > 0x1E) break;
+        
+        tile = GetTile(pos.x, pos.y);
+
+        if(tile->monster) break;
+        if(!(tile->terrainType & (TERRAIN_TYPE_NORMAL | TERRAIN_TYPE_SECONDARY))) break;
+    
+        sub_80694C0(target, pos.x, pos.y, 0);
+    
+        sub_804535C(target, 0);
+        if(!sub_8045888(target)) continue;
+        sub_803E46C(0x3A);
+    }
+    
+    sub_806A5B8(target);
+    if(sub_80706A4(target, &target->pos))
+        sub_807D148(target, target, 0, 0);
+    if(EntityExists(target))
+    {
+        sub_806CE68(target, 8);
+        if(info->isTeamLeader)
+        {
+            sub_804AC20(&target->pos);
+            sub_807EC28(0);
+        }
+        sub_806A5B8(target);
+        
+        sub_8075900(target, gDungeon->forceMonsterHouse);
+    }
+}
+
+void HandleDroughtOrbAction(Entity *pokemon, Entity *target) {
+	s32 x;
+	s32 y;
+	Tile *tile;
+	bool8 flag;
+
+	flag = FALSE;
+	if(IsCurrentFixedRoomBossFight())
+	{
+		LogMessageByIdWithPopupCheckUser(pokemon, *gUnknown_80FD060);
+		return;
+	}
+
+	if(IsWaterTileset())
+	{
+		LogMessageByIdWithPopupCheckUser(pokemon, *gUnknown_80FD08C);
+		return;
+	}
+
+	for (y = 0; y < 0x20; y++)
+		for(x = 0; x < 0x38; x++)
+		{
+			tile = GetTileMut(x, y);
+			if((tile->terrainType & (TERRAIN_TYPE_NORMAL | TERRAIN_TYPE_SECONDARY)) == TERRAIN_TYPE_SECONDARY)
+			{   
+				tile->terrainType &= ~(TERRAIN_TYPE_NORMAL | TERRAIN_TYPE_SECONDARY);
+				tile->terrainType |= TERRAIN_TYPE_NORMAL;
+				sub_80498A8(x, y);
+				flag = TRUE;
+			}
+		}
+	for (y = 0; y < 0x20; y++)
+		for(x = 0; x < 0x38; x++)
+			sub_8049BB0(x, y);
+
+	if(flag)
+	{
+		sub_80421C0(pokemon, 0x1A1);
+		LogMessageByIdWithPopupCheckUser(pokemon, *gUnknown_80FD05C);
+	}
+	else
+	{
+		LogMessageByIdWithPopupCheckUser(pokemon, *gUnknown_80FD060);
+	}
+	gDungeon->unk644.unk2C = 1;
+	sub_806CF60();
+	sub_8040A84();
+	sub_8049ED4();
+}
+
+void HandleOneRoomOrb(Entity *pokemon, Entity *target) {
+	bool8 bVar1;
+	Tile *tile;
+	s32 y;
+	Entity *entity;
+	s32 x;
+	s32 index;
+	bool8 isMonsterHouse;
+
+	if (gDungeon->forceMonsterHouse != 0) {
+		LogMessageByIdWithPopupCheckUser(pokemon,*gUnknown_80FD3C8);
+		return;
+	}
+
+	if (gDungeon->unk3A0B != 0) {
+		LogMessageByIdWithPopupCheckUser(pokemon,*gUnknown_80FD3CC);
+		return;
+	}
+
+	if (IsBossFight()) {
+		LogMessageByIdWithPopupCheckUser(pokemon,*gUnknown_80FD3D0);
+		return;
+	}
+	isMonsterHouse = FALSE;
+
+	for(x = 1; x < DUNGEON_MAX_SIZE_X - 1; x++)
+	{
+		for(y = 1; y < DUNGEON_MAX_SIZE_Y - 1; y++)
+		{
+			bVar1 = 0;
+			tile = GetTileMut(x,y);
+			tile->terrainType &= ~(TERRAIN_TYPE_UNK_x400);
+			tile->room = 0;
+			if ((tile->terrainType & TERRAIN_TYPE_IMPASSABLE_WALL) == 0)
+			{
+				if((tile->terrainType & TERRAIN_TYPE_UNBREAKABLE) == 0) {
+					tile->spawnOrVisibilityFlags |= SPAWN_FLAG_STAIRS | SPAWN_FLAG_ITEM;
+					tile->terrainType &= ~(TERRAIN_TYPE_NATURAL_JUNCTION);
+					if ((tile->terrainType & TERRAIN_TYPE_IN_MONSTER_HOUSE)) {
+						isMonsterHouse = TRUE;
+					}
+					if ((tile->terrainType & (TERRAIN_TYPE_NORMAL | TERRAIN_TYPE_SECONDARY)) != TERRAIN_TYPE_SECONDARY) 
+						if(((tile->terrainType & (TERRAIN_TYPE_NORMAL | TERRAIN_TYPE_SECONDARY)) != (TERRAIN_TYPE_NORMAL | TERRAIN_TYPE_SECONDARY))) {
+							if (((x == 1) || (((y == 1 || (x == DUNGEON_MAX_SIZE_X - 2)) || (y == DUNGEON_MAX_SIZE_Y - 2)))) &&
+								((tile->object == NULL && (gDungeon->unk644.unk2C == 0)))) {
+								bVar1 = TRUE;
+							}
+							if (bVar1) {
+								tile->terrainType &= ~(TERRAIN_TYPE_NORMAL | TERRAIN_TYPE_SECONDARY);
+								tile->terrainType |= TERRAIN_TYPE_SECONDARY;
+							}
+							else {
+								if ((tile->terrainType & (TERRAIN_TYPE_NORMAL | TERRAIN_TYPE_SECONDARY)) == TERRAIN_TYPE_NORMAL) continue;
+								tile->terrainType &= ~(TERRAIN_TYPE_NORMAL | TERRAIN_TYPE_SECONDARY);
+								tile->terrainType |= TERRAIN_TYPE_NORMAL;
+								tile->terrainType |= TERRAIN_TYPE_UNK_x400;
+							} 
+						}
+				}
+			}
+		}
+	}
+
+
+	if (StairsAlwaysReachable(gDungeon->stairsSpawn.x,gDungeon->stairsSpawn.y,TRUE)) {
+		for(x = 0; x < DUNGEON_MAX_SIZE_X; x++)
+		{
+			for(y = 0; y < DUNGEON_MAX_SIZE_Y; y++)
+			{
+				tile = GetTileMut(x,y);
+				if (!(tile->terrainType & TERRAIN_TYPE_UNBREAKABLE))
+					if(((tile->terrainType & (TERRAIN_TYPE_UNREACHABLE_FROM_STAIRS| TERRAIN_TYPE_UNK_x400)) == (TERRAIN_TYPE_UNREACHABLE_FROM_STAIRS| TERRAIN_TYPE_UNK_x400))) {
+						tile->terrainType &= ~(TERRAIN_TYPE_NORMAL | TERRAIN_TYPE_SECONDARY);
+						tile->terrainType |= TERRAIN_TYPE_SECONDARY;
+					}
+			}
+		}
+	}
+	if (isMonsterHouse) {
+		gDungeon->monsterHouseRoom = 0;
+	}
+	for(x = 0; x < DUNGEON_MAX_SIZE_X; x++)
+	{
+
+		for(y = 0; y < DUNGEON_MAX_SIZE_Y; y++)
+		{
+			if (isMonsterHouse) {
+				GetTileMut(x,y)->terrainType |= TERRAIN_TYPE_IN_MONSTER_HOUSE;
+			}
+			sub_8049BB0(x,y);
+		}
+	}
+
+	for(index = 0; index < DUNGEON_MAX_POKEMON; index++)
+	{
+		entity = gDungeon->activePokemon[index];
+		if (EntityExists(entity)) {
+			entity->room = GetTile(entity->pos.x,entity->pos.y)->room;
+		}
+	}
+	sub_804EB30();
+	sub_804AAD4();
+	sub_8049884();
+	sub_806CF60();
+	sub_8040A84();
+	sub_8049ED4();
+	LogMessageByIdWithPopupCheckUser(pokemon,*gUnknown_80FD3A0);
+	sub_803E708(0x28,0x2b);
+	sub_8075900(pokemon,1);
+	for(index = 0; index < DUNGEON_MAX_POKEMON; index++)
+	{
+		entity = gDungeon->activePokemon[index];
+		if (EntityExists(entity)) {
+			sub_806A5B8(entity);
+			if ((EntityExists(entity)) && (sub_80706A4(entity,&entity->pos))) {
+				sub_807D148(entity,entity,0,0);
+			}
+		}
+	}
+	gDungeon->forceMonsterHouse = TRUE;
+	sub_803E708(0x14,0x2b);
+}
+
+
+// https://decomp.me/scratch/JZ51a -- sub_807E1A0 param_4 should be s16 but using s32 to match this func
+void HandleExplosion(Entity *pokemon,Entity *target,DungeonPos *param_3,s32 param_4,u8 moveType,s16 param_6)
+{
+    bool8 flag;
+    DungeonPos *posPtr;
+    Tile *tile;
+    Entity * entity1;
+    Entity *entity2;
+    int x;
+    int y;
+    int index;
+    DungeonPos pos;
+
+    u32 uStack_2c;
+
+    uStack_2c = param_6;
+    for (index = 0; index < DUNGEON_MAX_POKEMON; index++) {
+        entity1 = gDungeon->activePokemon[index];
+        if ((EntityExists(entity1)) && (HasAbility(entity1, ABILITY_DAMP))) break;
+    }
+    if (index != DUNGEON_MAX_POKEMON) {
+        sub_804218C(pokemon,target);
+        SubstitutePlaceholderStringTags(gFormatBuffer_Monsters[0],target,0);
+        TryDisplayDungeonLoggableMessage3(pokemon,target,*gUnknown_80F96EC);
+    }
+    else if (GetApparentWeather(target) == WEATHER_RAIN) {
+        TryDisplayDungeonLoggableMessage3(pokemon,target,*gUnknown_80F96EC);
+    }
+    else
+    {
+        sub_804216C(pokemon,target,param_4);
+        SubstitutePlaceholderStringTags(gFormatBuffer_Monsters[0],target,0);
+        TryDisplayDungeonLoggableMessage3(pokemon,target,*gUnknown_80F96BC);
+        flag = FALSE;
+
+        posPtr = (gUnknown_8107178)[param_4];
+        if (posPtr->x != 99) {
+            while (posPtr->x != 99) {
+                pos.x = posPtr->x + param_3->x;
+                pos.y = posPtr->y + param_3->y;
+                if ((0 <= pos.x) && (0 <= pos.y) && (pos.x < DUNGEON_MAX_SIZE_X) && (pos.y < DUNGEON_MAX_SIZE_Y)) {
+                    tile = GetTileMut(pos.x,pos.y);
+                    if ((0 < pos.x) && (0 < pos.y && ((pos.x < (DUNGEON_MAX_SIZE_X - 1) && ((pos.y < (DUNGEON_MAX_SIZE_Y - 1) 
+                        && (tile->terrainType & (TERRAIN_TYPE_NORMAL | TERRAIN_TYPE_SECONDARY)) == 0)))
+                    )) && (tile->terrainType & TERRAIN_TYPE_IMPASSABLE_WALL) == 0) {
+                        tile->terrainType &= ~(TERRAIN_TYPE_NORMAL | TERRAIN_TYPE_SECONDARY);
+                        tile->terrainType |= TERRAIN_TYPE_NORMAL;
+                        for(y = -1; y < 2; y++)
+                        {
+                            for(x = -1; x < 2; x++)
+                            {
+                                sub_80498A8(pos.x + x,pos.y + y);
+                            }
+                        }
+                        flag = TRUE;
+                    }
+                    entity2 = tile->object;
+                    if (((entity2 != NULL) && (entity2 != target)) && (GetEntityType(entity2) == ENTITY_ITEM)) {
+                        sub_80461C8(&pos, 0);
+                    }
+                    entity2 = tile->monster;
+                    if (((entity2 != NULL) && (entity2 != target)) && (GetEntityType(entity2) == ENTITY_MONSTER)) {
+                        sub_807E1A0(pokemon,entity2,moveType,uStack_2c,gUnknown_203B444[param_4]);
+                        if (sub_8044B28()) break;
+                    }
+                }
+                posPtr++;
+            }
+        }
+        if (sub_8044B28()) {
+            return;
+        }
+        if (GetEntityType(target) == ENTITY_MONSTER) {
+            sub_807E1A0(pokemon,target,moveType,uStack_2c,gUnknown_203B444[param_4]);
+        }
+        if (!flag) {
+            return;
+        }
+        for(y = 0; y < DUNGEON_MAX_SIZE_Y; y++)
+        {
+            for(x = 0; x < DUNGEON_MAX_SIZE_X; x++)
+            {
+                sub_8049BB0(x,y);
+            }
+        }
+        sub_8040A84();
+        sub_8049ED4();
+    }
+}
+
diff --git a/src/code_807E1A0.c b/src/code_807E1A0.c
index 8814d522b..bbcf68e87 100644
--- a/src/code_807E1A0.c
+++ b/src/code_807E1A0.c
@@ -67,7 +67,7 @@ void sub_807E1A0(Entity *pokemon,Entity *target,u8 moveType,s16 param_4,s32 para
   }
 }
 
-void sub_807E254(Entity *pokemon,Entity *target)
+void HandleSwitcherOrb(Entity *pokemon,Entity *target)
 {
   DungeonPos pokemonPos;
   DungeonPos targetPos;
diff --git a/src/move_actions.c b/src/move_actions.c
index 88082521c..bc46c6c2b 100644
--- a/src/move_actions.c
+++ b/src/move_actions.c
@@ -193,8 +193,7 @@ extern void sub_806A6E8(Entity *);
 
 extern void EndAbilityImmuneStatus(Entity *, Entity *);
 extern u8 sub_806F4A4(Entity *, u32);
-extern void sub_807DF38(Entity *pokemon, Entity *target, DungeonPos *pos, u32,
-			u8 moveType, s16);
+extern void HandleExplosion(Entity *pokemon, Entity *target, DungeonPos *pos, u32, u8 moveType, s16);
 extern void nullsub_92(Entity *);
 extern u32 sub_8055864(Entity *pokemon, Entity *target, Move *param_3, s32 param_4, s32 param_5);
 extern u8 sub_807EAA0(u32, u32);
@@ -1506,7 +1505,7 @@ bool8 LickMoveAction(Entity *pokemon, Entity *target, Move *move, u32 param_4)
 
 bool8 SelfDestructMoveAction(Entity *pokemon, Entity *target, Move *move, u32 param_4)
 {
-    sub_807DF38(pokemon, target, &target->pos, 1, GetMoveType(move), sub_8057600(move, param_4));
+    HandleExplosion(pokemon, target, &target->pos, 1, GetMoveType(move), sub_8057600(move, param_4));
     return TRUE;
 }
 
@@ -1849,7 +1848,7 @@ bool8 FlyMoveAction(Entity * pokemon, Entity * target, Move * move, u32 param_4)
 
 bool8 ExplosionMoveAction(Entity * pokemon,Entity * target,Move * move,u32 param_4)
 {
-    sub_807DF38(pokemon,target,&target->pos,2,GetMoveType(move),sub_8057600(move,param_4));
+    HandleExplosion(pokemon,target,&target->pos,2,GetMoveType(move),sub_8057600(move,param_4));
     return TRUE;
 }
 
diff --git a/src/status_actions.c b/src/status_actions.c
index 136ba3f17..aeb35978c 100644
--- a/src/status_actions.c
+++ b/src/status_actions.c
@@ -57,7 +57,7 @@ extern void HandlePounceOrbAction(Entity *, Entity *, s32);
 extern s16 sub_803D970(u32);
 extern bool8 sub_806AA0C(s32, u32);
 extern void sub_806BB6C(Entity *, s32);
-extern void sub_807E254(Entity *, Entity *, u32);
+extern void HandleSwitcherOrb(Entity *, Entity *, u32);
 extern u32 HandleDamagingMove(Entity *, Entity *, Move *, u32, u32);
 extern void sub_806A6E8(Entity *);
 extern u8 sub_8069D18(DungeonPos *);
@@ -739,7 +739,7 @@ bool8 ReboundOrbAction(Entity * pokemon, Entity * target, Move *move, s32 param_
 bool8 SwitcherOrbAction(Entity * pokemon, Entity * target, Move *move, s32 param_4)
 {
     SetExpMultplier(GetEntInfo(pokemon));
-    sub_807E254(pokemon, target, 1);
+    HandleSwitcherOrb(pokemon, target, 1);
     return TRUE;
 }
 
diff --git a/src/trap.c b/src/trap.c
index 9dd484d6a..68bb8b2a2 100644
--- a/src/trap.c
+++ b/src/trap.c
@@ -75,8 +75,8 @@ void sub_804225C(Entity *, DungeonPos *, u8);
 void sub_8071DA4(Entity *);
 void sub_806A1E8(Entity *pokemon);
 u8 sub_803D6FC(void);
-extern void sub_807DF38(Entity *pokemon, Entity *target, DungeonPos *pos, u32,
-			u8 moveType, s16);
+Entity *sub_8045684(u8, DungeonPos *, u8);
+extern void HandleExplosion(Entity *pokemon, Entity *target, DungeonPos *pos, u32, u8 moveType, s16);
 
 void sub_807FC3C(DungeonPos *pos, u32 trapID, u32 param_3)
 {
@@ -463,12 +463,12 @@ void HandlePoisonTrap(Entity *pokemon, Entity *target)
 
 void HandleSelfdestructTrap(Entity *pokemon, Entity *target)
 {
-    sub_807DF38(pokemon, target, &target->pos, 1, TYPE_NONE, 0x212);
+    HandleExplosion(pokemon, target, &target->pos, 1, TYPE_NONE, 0x212);
 }
 
 void HandleExplosionTrap(Entity *pokemon, Entity *target)
 {
-    sub_807DF38(pokemon, target, &target->pos, 2, TYPE_NONE, 0x212);
+    HandleExplosion(pokemon, target, &target->pos, 2, TYPE_NONE, 0x212);
 }
 
 void HandleGrimyTrap(Entity *pokemon, Entity *target)
diff --git a/sym_ewram2.txt b/sym_ewram2.txt
index d92c28e28..ca90bdfb0 100644
--- a/sym_ewram2.txt
+++ b/sym_ewram2.txt
@@ -255,7 +255,7 @@ gUnknown_203B43C: /* 203B43C (sub_8065FB4) */
 
     .include "src/dungeon_ai_items.o"
 
-gUnknown_203B444: /* 203B444 (sub_807DF38) */
+gUnknown_203B444: /* 203B444 (HandleExplosion) */
 	.space 0xC
 
 gLeaderPointer: /* 203B450 (xxx_dungeon_8042F6C - ReadMonster) */