diff --git a/asm/include/main_0205BFB0.inc b/asm/include/main_0205BFB0.inc
deleted file mode 100644
index 6c4db434..00000000
--- a/asm/include/main_0205BFB0.inc
+++ /dev/null
@@ -1,10 +0,0 @@
-#pragma once
-.public Copy16BitsTo
-.public CopyBitsTo
-.public CopyMovesetTo
-.public _020B0A54
-.public _022B57BC
-.public sub_02050990
-.public sub_020509BC
-.public sub_02059AF8
-.public sub_0205C440
diff --git a/asm/main_0205BFB0.s b/asm/main_0205BFB0.s
deleted file mode 100644
index df31448e..00000000
--- a/asm/main_0205BFB0.s
+++ /dev/null
@@ -1,134 +0,0 @@
-	.include "asm/macros.inc"
-	.include "main_0205BFB0.inc"
-
-	.text
-
-	arm_func_start sub_0205BFB0
-sub_0205BFB0: ; 0x0205BFB0
-	stmdb sp!, {r3, r4, r5, r6, r7, lr}
-	sub sp, sp, #0x10
-	mov r3, r0
-	mov r2, r1
-	add r0, sp, #0
-	mov r1, r3
-	bl sub_02050990
-	ldr r1, _0205C194 ; =_022B57BC
-	add r0, sp, #0
-	mov r2, #0x20
-	bl CopyBitsTo
-	ldr r5, _0205C198 ; =_020B0A54
-	mov r7, #0
-	add r6, sp, #0
-	mov r4, #0xb0
-_0205BFEC:
-	ldr r1, [r5]
-	mov r0, r6
-	mla r1, r7, r4, r1
-	bl sub_0205C440
-	add r7, r7, #1
-	cmp r7, #0x20
-	blt _0205BFEC
-	ldr r1, _0205C198 ; =_020B0A54
-	add r0, sp, #0
-	ldr r4, [r1, #8]
-	mov r2, #4
-	mov r1, r4
-	bl CopyBitsTo
-	add r0, sp, #0
-	add r1, r4, #1
-	mov r2, #7
-	bl CopyBitsTo
-	add r0, sp, #0
-	add r1, r4, #2
-	bl Copy16BitsTo
-	add r0, sp, #0
-	add r1, r4, #4
-	mov r2, #0xb
-	bl CopyBitsTo
-	add r0, sp, #0
-	add r1, r4, #6
-	bl sub_02059AF8
-	add r0, sp, #0
-	add r1, r4, #7
-	bl sub_02059AF8
-	add r0, sp, #0
-	add r1, r4, #8
-	mov r2, #0xa
-	bl CopyBitsTo
-	add r0, sp, #0
-	add r1, r4, #0xa
-	mov r2, #0xa
-	bl CopyBitsTo
-	add r0, sp, #0
-	add r1, r4, #0xc
-	mov r2, #8
-	bl CopyBitsTo
-	add r0, sp, #0
-	add r1, r4, #0xd
-	mov r2, #8
-	bl CopyBitsTo
-	add r0, sp, #0
-	add r1, r4, #0xe
-	mov r2, #8
-	bl CopyBitsTo
-	add r0, sp, #0
-	add r1, r4, #0xf
-	mov r2, #8
-	bl CopyBitsTo
-	add r0, sp, #0
-	add r1, r4, #0x10
-	mov r2, #0x18
-	bl CopyBitsTo
-	add r0, sp, #0
-	add r1, r4, #0x14
-	mov r2, #0x45
-	bl CopyBitsTo
-	add r0, sp, #0
-	add r1, r4, #0x20
-	mov r2, #4
-	bl CopyBitsTo
-	add r0, sp, #0
-	add r1, r4, #0x22
-	bl CopyMovesetTo
-	add r0, sp, #0
-	add r1, r4, #0x3a
-	mov r2, #0x50
-	bl CopyBitsTo
-	ldr r1, _0205C198 ; =_020B0A54
-	add r0, sp, #0
-	ldr r4, [r1, #8]
-	mov r2, #0xb
-	add r1, r4, #0x46
-	bl CopyBitsTo
-	add r0, sp, #0
-	add r1, r4, #0x48
-	mov r2, #0xb
-	bl CopyBitsTo
-	ldr r1, _0205C198 ; =_020B0A54
-	add r0, sp, #0
-	ldr r1, [r1, #4]
-	mov r2, #0x20
-	bl CopyBitsTo
-	ldr r4, _0205C198 ; =_020B0A54
-	mov r7, #0
-	add r6, sp, #0
-	mov r5, #0x40
-_0205C15C:
-	ldr r1, [r4, #4]
-	mov r0, r6
-	add r1, r1, #4
-	mov r2, r5
-	add r1, r1, r7, lsl #3
-	bl CopyBitsTo
-	add r7, r7, #1
-	cmp r7, #0x20
-	blt _0205C15C
-	add r0, sp, #0
-	bl sub_020509BC
-	ldr r0, [sp, #8]
-	add sp, sp, #0x10
-	ldmia sp!, {r3, r4, r5, r6, r7, pc}
-	.align 2, 0
-_0205C194: .word _022B57BC
-_0205C198: .word _020B0A54
-	arm_func_end sub_0205BFB0
diff --git a/include/main_0205BD14.h b/include/main_0205BD14.h
index e4b5e6ee..6997df43 100644
--- a/include/main_0205BD14.h
+++ b/include/main_0205BD14.h
@@ -1,6 +1,8 @@
 #ifndef PMDSKY_MAIN_0205BD14_H
 #define PMDSKY_MAIN_0205BD14_H
 
+#include "main_02058FA4.h"
+#include "main_0205B690.h"
 #include "util.h"
 
 void sub_0205BD14(u32 *dest, s32 index);
@@ -9,5 +11,7 @@ bool8 sub_0205BD5C(u32 val);
 u8 sub_0205BD78(void);
 u32 sub_0205BD90(u32 a0);
 u32 sub_0205BD9C(u32 arg0, u32 arg1);
+u32 sub_0205BFB0(u32 p0, u32 p1);
+void sub_0205C19C(struct WriteMonsterInfoToSave_struct *arg0, struct unkStruct_020B0A54 *arg1);
 
 #endif //PMDSKY_MAIN_0205BD14_H
diff --git a/include/main_0205C19C.h b/include/main_0205C19C.h
deleted file mode 100644
index 82133588..00000000
--- a/include/main_0205C19C.h
+++ /dev/null
@@ -1,9 +0,0 @@
-#ifndef PMDSKY_MAIN_0205C19C_H
-#define PMDSKY_MAIN_0205C19C_H
-
-#include "main_02058FA4.h"
-#include "main_0205B690.h"
-
-void sub_0205C19C(struct WriteMonsterInfoToSave_struct *arg0, struct unkStruct_020B0A54 *arg1);
-
-#endif //PMDSKY_MAIN_0205C19C_H
diff --git a/main.lsf b/main.lsf
index ddd7e5d9..00fdeb09 100644
--- a/main.lsf
+++ b/main.lsf
@@ -158,8 +158,6 @@ Static main
 	Object src/main_0205BBFC.o
 	Object asm/main_0205BCC4.o
 	Object src/main_0205BD14.o
-	Object asm/main_0205BFB0.o
-	Object src/main_0205C19C.o
 	Object asm/main_0205C2A4.o
 	Object src/dungeon_init_2.o
 	Object asm/main_0206A750.o
diff --git a/src/main_0205BD14.c b/src/main_0205BD14.c
index fb39362b..5722590c 100644
--- a/src/main_0205BD14.c
+++ b/src/main_0205BD14.c
@@ -10,12 +10,16 @@ extern u32 _022B57BC;
 
 extern void sub_02050974(void *v0, u32 v1, u32 v2);
 extern void CopyBitsFrom(void *read_info, void *buf_read, s32 nbits);
-extern void sub_0205C19C(struct WriteMonsterInfoToSave_struct *temp, struct unkStruct_020B0A54 *src);
 extern void* memset(void *s, s32 c, u32 n);
 extern void Copy16BitsFrom(void *read_info, void *buf_read);
 extern void CopyMovesetFrom(struct WriteMonsterInfoToSave_struct *read_info, void *dst);
-extern void sub_020509BC(struct WriteMonsterInfoToSave_struct *temp);
+extern void sub_020509BC(struct WriteMonsterInfoToSave_struct *write_info);
 extern void sub_020634F4(void);
+extern void sub_02050990(struct WriteMonsterInfoToSave_struct *write_info, u32 p1, u32 p2);
+extern void CopyBitsTo(void *write_info, void* buf_write, s32 nbits);
+extern void sub_0205C440(struct WriteMonsterInfoToSave_struct *write_info, const void *p1);
+extern void Copy16BitsTo(void *write_info, void *buf_write);
+extern void CopyMovesetTo(struct WriteMonsterInfoToSave_struct *write_info, void *buffer_write);
 
 void sub_0205BD14(u32 *dest, s32 index)
 {
@@ -98,3 +102,71 @@ u32 sub_0205BD9C(u32 arg0, u32 arg1)
 
     return temp.result;
 }
+
+u32 sub_0205BFB0(u32 p0, u32 p1)
+{
+    struct WriteMonsterInfoToSave_struct stack_var;
+
+    sub_02050990(&stack_var, p0, p1);
+    CopyBitsTo(&stack_var, &_022B57BC, 32);
+
+    for (s32 i = 0; i < 32; i++)
+    {
+        sub_0205C440(&stack_var, &_020B0A54.struct0[i]);
+    }
+
+    struct ground_monster *monster = _020B0A54.struct1.unk8.monster;
+    CopyBitsTo(&stack_var, &monster->is_valid, 4);
+    CopyBitsTo(&stack_var, &monster->level, 7);
+    Copy16BitsTo(&stack_var, &monster->joined_at);
+    CopyBitsTo(&stack_var, &monster->id, 11);
+    sub_02059AF8(&stack_var, &monster->level_at_first_evo);
+    sub_02059AF8(&stack_var, &monster->level_at_second_evo);
+    CopyBitsTo(&stack_var, &monster->iq, 10);
+    CopyBitsTo(&stack_var, &monster->max_hp, 10);
+    CopyBitsTo(&stack_var, &monster->offensive_stats[0], 8);
+    CopyBitsTo(&stack_var, &monster->offensive_stats[1], 8);
+    CopyBitsTo(&stack_var, &monster->defensive_stats[0], 8);
+    CopyBitsTo(&stack_var, &monster->defensive_stats[1], 8);
+    CopyBitsTo(&stack_var, &monster->exp, 24);
+    CopyBitsTo(&stack_var, &monster->iq_skill_flags, 69);
+    CopyBitsTo(&stack_var, &monster->tactic, 4);
+    CopyMovesetTo(&stack_var, monster->moves);
+    CopyBitsTo(&stack_var, monster->name, 80);
+
+    struct unkStruct_020B0A54_unk8_inner *inner = _020B0A54.struct1.unk8.unk8;
+    CopyBitsTo(&stack_var, &inner->unk46, 11);
+    CopyBitsTo(&stack_var, &inner->unk48, 11);
+
+    CopyBitsTo(&stack_var, (void*) _020B0A54.struct1.unk4, 32);
+
+    for (s32 i = 0; i < 32; i++)
+    {
+        CopyBitsTo(&stack_var, _020B0A54.fp[1] + 4 + (i * 8), 64);
+    }
+
+    sub_020509BC(&stack_var);
+
+    return stack_var.result;
+}
+
+void sub_0205C19C(struct WriteMonsterInfoToSave_struct *arg0, struct unkStruct_020B0A54 *arg1)
+{
+    CopyBitsFrom(arg0, &arg1->unk0, 4);
+    Copy16BitsFrom(arg0, &arg1->unk4);
+    CopyBitsFrom(arg0, &arg1->unk8.monster, 24);
+    CopyBitsFrom(arg0, &arg1->unkC, 64);
+    CopyBitsFrom(arg0, &arg1->unk14, 0x40);
+    CopyBitsFrom(arg0, &arg1->unk1C, 4);
+    CopyBitsFrom(arg0, &arg1->unk1D, 0x50);
+    CopyBitsFrom(arg0, &arg1->unk32, 0x120);
+    CopyBitsFrom(arg0, &arg1->unk56, 0x240);
+    CopyBitsFrom(arg0, &arg1->unkA0, 0xb);
+    CopyBitsFrom(arg0, &arg1->unkA2, 0xb);
+    CopyBitsFrom(arg0, &arg1->unkA4, 0x40);
+    CopyBitsFrom(arg0, &arg1->unkAC, 8);
+    bool8 temp;
+    CopyBitsFrom(arg0, &temp, 1);
+    arg1->unkAD = temp != FALSE;
+    CopyBitsFrom(arg0, &arg1->unkAE, 2);
+}
diff --git a/src/main_0205C19C.c b/src/main_0205C19C.c
deleted file mode 100644
index 5aabe9f0..00000000
--- a/src/main_0205C19C.c
+++ /dev/null
@@ -1,25 +0,0 @@
-#include "main_0205C19C.h"
-
-extern void CopyBitsFrom(void *read_info, void *buf_read, s32 nbits);
-extern void Copy16BitsFrom(void *read_info, void *buf_read);
-
-void sub_0205C19C(struct WriteMonsterInfoToSave_struct *arg0, struct unkStruct_020B0A54 *arg1)
-{
-    CopyBitsFrom(arg0, &arg1->unk0, 4);
-    Copy16BitsFrom(arg0, &arg1->unk4);
-    CopyBitsFrom(arg0, &arg1->unk8.monster, 24);
-    CopyBitsFrom(arg0, &arg1->unkC, 64);
-    CopyBitsFrom(arg0, &arg1->unk14, 0x40);
-    CopyBitsFrom(arg0, &arg1->unk1C, 4);
-    CopyBitsFrom(arg0, &arg1->unk1D, 0x50);
-    CopyBitsFrom(arg0, &arg1->unk32, 0x120);
-    CopyBitsFrom(arg0, &arg1->unk56, 0x240);
-    CopyBitsFrom(arg0, &arg1->unkA0, 0xb);
-    CopyBitsFrom(arg0, &arg1->unkA2, 0xb);
-    CopyBitsFrom(arg0, &arg1->unkA4, 0x40);
-    CopyBitsFrom(arg0, &arg1->unkAC, 8);
-    bool8 temp;
-    CopyBitsFrom(arg0, &temp, 1);
-    arg1->unkAD = temp != FALSE;
-    CopyBitsFrom(arg0, &arg1->unkAE, 2);
-}