diff --git a/asm/main_02052B44.s b/asm/main_02052B44.s
index c1a52371..10a17010 100644
--- a/asm/main_02052B44.s
+++ b/asm/main_02052B44.s
@@ -3,22 +3,6 @@
 
 	.text
 
-	arm_func_start GetExclusiveItem
-GetExclusiveItem: ; 0x02052B8C
-	ldr r2, _02052BB4 ; =MONSTER_DATA_TABLE_PTR
-	mov r3, r1, lsr #0x1f
-	ldr ip, [r2]
-	mov r2, #0x44
-	rsb r1, r3, r1, lsl #30
-	smlabb r2, r0, r2, ip
-	add r0, r3, r1, ror #30
-	add r0, r2, r0, lsl #1
-	ldrsh r0, [r0, #0x34]
-	bx lr
-	.align 2, 0
-_02052BB4: .word MONSTER_DATA_TABLE_PTR
-	arm_func_end GetExclusiveItem
-
 	arm_func_start GetFamilyIndex
 GetFamilyIndex: ; 0x02052BB8
 	ldr r2, _02052BD0 ; =MONSTER_DATA_TABLE_PTR
diff --git a/include/main_02052B28.h b/include/main_02052B28.h
index b428f195..4eb74083 100644
--- a/include/main_02052B28.h
+++ b/include/main_02052B28.h
@@ -6,6 +6,6 @@
 s32 GetIqGroup(s16 monster_id);
 u8 GetSpawnThreshold(s16 monster_id);
 bool8 NeedsItemToSpawn(s16 monster_id);
-
+s16 GetExclusiveItem(s16 monster_id, s32 item_index);
 
 #endif //PMDSKY_MAIN_02052B28_H
diff --git a/include/monster_data.h b/include/monster_data.h
index 11de1a3e..b4a7ce15 100644
--- a/include/monster_data.h
+++ b/include/monster_data.h
@@ -5,15 +5,19 @@
 
 extern struct monster_data_table *MONSTER_DATA_TABLE_PTR;
 
+struct monster_evolution_parameters {
+    s16 pre_evolution_idx;            // 0x8: The pre-evolution of the monster.
+    u16 evolution_method;             // 0xA: The evolution method required to evolve to this Pokemon from the pre-evo specified in PreEvoIndex. Null if unused.
+    u16 evolution_param_1;            // 0xC: The first parameter for the evolution method. Null if unused.
+    u16 evolution_param_2;            // 0xE: The second parameter for the evolution method. Null if unused.
+};
+
 struct monster_data_table_entry {
     u16 entity_id;                    // 0x0: A entity-unique ID to identify the entity in both of its 2 entries. Seems to match pokedex number.
     u16 unk_0x2;                      // 0x2: Unknown. Pokemon with the same category string have the same value in here.
     s16 pokedex_number;               // 0x4: The national Pokedex number, as displayed in Chimecho Assembly.
     s16 base_movement_speed;          // 0x6: The base movement speed in dungeons.
-    s16 pre_evolution_idx;            // 0x8: The pre-evolution of the monster.
-    u16 evolution_method;             // 0xA: The evolution method required to evolve to this Pokemon from the pre-evo specified in PreEvoIndex. Null if unused.
-    u16 evolution_param_1;            // 0xC: The first parameter for the evolution method. Null if unused.
-    u16 evolution_param_2;            // 0xE: The second parameter for the evolution method. Null if unused.
+    struct monster_evolution_parameters evolution_param;
     u16 sprite_index;                 // 0x10: The index of the entity's sprite. It's the index inside the three Pokemon sprite files inside the "/MONSTER/" directory!
     u8 gender;                        // 0x12: Gender of this particular entity entry.
     u8 body_size;                     // 0x13: The body size of the Pokemon. Used when determining how many Pokemon fits in the party.
@@ -38,10 +42,10 @@ struct monster_data_table_entry {
     u8 hp_regeneration;               // 0x30: The rate at which a Pokemon regenerates HP. Always 0x64.
     s8 spawn_threshold;               // 0x31: 
     s16 base_form_idx;                // 0x32: The base evolutionary stage of the Pokemon. Seems to always be between 0 and 600.
-    s16 exclusive_item_1;             // 0x34: The first 1-star exclusive item for this Pokemon. Null if NA.
-    s16 exclusive_item_2;             // 0x36: The second 1-star exclusive item for this Pokemon. Null if NA.
-    s16 exclusive_item_3;             // 0x38: The 2-star exclusive item for this Pokemon. Null if NA.
-    s16 exclusive_item_4;             // 0x3A: The 3-star exclusive item for this Pokemon. Null if NA.
+    s16 exclusive_item[4];             // 0x34: The first 1-star exclusive item for this Pokemon
+                                     // 0x36: The second 1-star exclusive item for this Pokemon. Null if NA.
+                                     // 0x38: The 2-star exclusive item for this Pokemon. Null if NA.
+                                     // 0x3A: The 3-star exclusive item for this Pokemon. Null if NA.
     s16 unk_0x3c;                     // 0x3C: Unknown.
     s16 unk_0x3e;                     // 0x3E: Unknown. Often 0xF.
     s16 unk_0x40;                     // 0x40: Unknown.
diff --git a/src/main_0205283C.c b/src/main_0205283C.c
index 3bf1ef39..2d6b13f6 100644
--- a/src/main_0205283C.c
+++ b/src/main_0205283C.c
@@ -58,7 +58,7 @@ bool8 CanEvolve(s16 monster_id)
 
 s16 GetMonsterPreEvolution(s16 monster_id)
 {
-    return MONSTER_DATA_TABLE_PTR->entries[monster_id].pre_evolution_idx;
+    return MONSTER_DATA_TABLE_PTR->entries[monster_id].evolution_param.pre_evolution_idx;
 }
 
 u8 GetBaseOffensiveStat(s16 monster_id, u8 stat_idx)
diff --git a/src/main_02052B28.c b/src/main_02052B28.c
index 35dc003b..1858267d 100644
--- a/src/main_02052B28.c
+++ b/src/main_02052B28.c
@@ -15,3 +15,8 @@ bool8 NeedsItemToSpawn(s16 monster_id)
 {
     return MONSTER_DATA_TABLE_PTR->entries[monster_id].flags & 0b10000000 ? TRUE : FALSE;
 }
+
+s16 GetExclusiveItem(s16 monster_id, s32 item_index)
+{
+    return MONSTER_DATA_TABLE_PTR->entries[monster_id].exclusive_item[item_index % 4];
+}