diff --git a/asm/include/main_0204EFE0.inc b/asm/include/main_0204EFE0.inc
index 430e6a09..51def264 100644
--- a/asm/include/main_0204EFE0.inc
+++ b/asm/include/main_0204EFE0.inc
@@ -52,7 +52,7 @@
 .public StrncpySimpleNoPad
 .public StrncpySimpleNoPadSafe
 .public sub_0204CEE0
-.public sub_020515C4
+.public Copy16BitsTo
 .public sub_0205EE40
 .public TEAM_MEMBER_TABLE_PTR
 .public TEAM_NAME
diff --git a/asm/include/main_02059444.inc b/asm/include/main_0205956C.inc
similarity index 99%
rename from asm/include/main_02059444.inc
rename to asm/include/main_0205956C.inc
index c4ac06c5..88d2703f 100644
--- a/asm/include/main_02059444.inc
+++ b/asm/include/main_0205956C.inc
@@ -432,7 +432,7 @@
 .public sub_020510C0
 .public sub_020510E8
 .public sub_02051134
-.public sub_020515C4
+.public Copy16BitsTo
 .public sub_02051620
 .public sub_02051648
 .public sub_02051788
diff --git a/asm/include/overlay_01.inc b/asm/include/overlay_01.inc
index 15a74841..9cc8c066 100644
--- a/asm/include/overlay_01.inc
+++ b/asm/include/overlay_01.inc
@@ -357,7 +357,7 @@
 .public sub_02050990
 .public sub_020509BC
 .public sub_02050CD0
-.public sub_020515C4
+.public Copy16BitsTo
 .public sub_02052060
 .public sub_020547C8
 .public sub_020547D8
diff --git a/asm/main_0204EFE0.s b/asm/main_0204EFE0.s
index c5ac5d78..8d9011ba 100644
--- a/asm/main_0204EFE0.s
+++ b/asm/main_0204EFE0.s
@@ -1949,7 +1949,7 @@ CopyLogTo: ; 0x0205054C
 	mov r0, r4
 	ldr r1, [r1]
 	add r1, r1, #0x278
-	bl sub_020515C4
+	bl Copy16BitsTo
 	ldmia sp!, {r4, pc}
 	.align 2, 0
 _02050734: .word ADVENTURE_LOG_PTR
diff --git a/asm/main_02051504.s b/asm/main_02051504.s
index b333d795..dbf2cdf8 100644
--- a/asm/main_02051504.s
+++ b/asm/main_02051504.s
@@ -63,8 +63,8 @@ _020515B8:
 _020515C0: .word MISSION_FLOORS_FORBIDDEN
 	arm_func_end IsForbiddenFloor
 
-	arm_func_start sub_020515C4
-sub_020515C4: ; 0x020515C4
+	arm_func_start Copy16BitsTo
+Copy16BitsTo: ; 0x020515C4
 	stmdb sp!, {r3, r4, r5, lr}
 	mov r5, r0
 	mov r4, r1
@@ -75,7 +75,7 @@ sub_020515C4: ; 0x020515C4
 	mov r2, #8
 	bl CopyBitsTo
 	ldmia sp!, {r3, r4, r5, pc}
-	arm_func_end sub_020515C4
+	arm_func_end Copy16BitsTo
 
 	arm_func_start Copy16BitsFrom
 Copy16BitsFrom: ; 0x020515EC
diff --git a/asm/main_02059444.s b/asm/main_0205956C.s
similarity index 99%
rename from asm/main_02059444.s
rename to asm/main_0205956C.s
index ca643089..14b6383a 100644
--- a/asm/main_02059444.s
+++ b/asm/main_0205956C.s
@@ -1,86 +1,8 @@
 	.include "asm/macros.inc"
-	.include "main_02059444.inc"
+	.include "main_0205956C.inc"
 
 	.text
 
-	arm_func_start ReadMonsterFromSave
-ReadMonsterFromSave: ; 0x02059444
-	stmdb sp!, {r3, r4, r5, lr}
-	mov r4, r1
-	mov r5, r0
-	mov r0, r4
-	mov r1, #0
-	mov r2, #0x44
-	bl memset
-	mov r0, r5
-	mov r1, r4
-	mov r2, #1
-	bl CopyBitsFrom
-	mov r0, r5
-	add r1, r4, #1
-	mov r2, #7
-	bl CopyBitsFrom
-	mov r0, r5
-	add r1, r4, #4
-	mov r2, #0xb
-	bl CopyBitsFrom
-	mov r0, r5
-	add r1, r4, #2
-	bl Copy16BitsFrom
-	mov r0, r5
-	add r1, r4, #6
-	mov r2, #7
-	bl CopyBitsFrom
-	mov r0, r5
-	add r1, r4, #7
-	mov r2, #7
-	bl CopyBitsFrom
-	mov r0, r5
-	add r1, r4, #8
-	mov r2, #0xa
-	bl CopyBitsFrom
-	mov r0, r5
-	add r1, r4, #0xa
-	mov r2, #0xa
-	bl CopyBitsFrom
-	mov r0, r5
-	add r1, r4, #0xc
-	mov r2, #8
-	bl CopyBitsFrom
-	mov r0, r5
-	add r1, r4, #0xd
-	mov r2, #8
-	bl CopyBitsFrom
-	mov r0, r5
-	add r1, r4, #0xe
-	mov r2, #8
-	bl CopyBitsFrom
-	mov r0, r5
-	add r1, r4, #0xf
-	mov r2, #8
-	bl CopyBitsFrom
-	mov r0, r5
-	add r1, r4, #0x10
-	mov r2, #0x18
-	bl CopyBitsFrom
-	mov r0, r5
-	add r1, r4, #0x14
-	mov r2, #0x45
-	bl CopyBitsFrom
-	mov r0, r5
-	add r1, r4, #0x20
-	mov r2, #4
-	bl CopyBitsFrom
-	mov r0, r5
-	add r1, r4, #0x22
-	bl CopyMovesetFrom
-	mov r0, r5
-	add r1, r4, #0x3a
-	mov r2, #0x50
-	bl CopyBitsFrom
-	ldmia sp!, {r3, r4, r5, pc}
-	arm_func_end ReadMonsterFromSave
-
 	arm_func_start sub_0205956C
 sub_0205956C: ; 0x0205956C
 	stmdb sp!, {r3, r4, r5, r6, r7, r8, sb, sl, fp, lr}
@@ -146,7 +68,7 @@ _02059608:
 	bl CopyBitsTo
 	mov r0, sl
 	add r1, r7, #3
-	bl sub_020515C4
+	bl Copy16BitsTo
 	mov r0, sl
 	add r1, r7, #6
 	mov r2, #0xa
@@ -3288,7 +3210,7 @@ _0205BFEC:
 	bl CopyBitsTo
 	add r0, sp, #0
 	add r1, r4, #2
-	bl sub_020515C4
+	bl Copy16BitsTo
 	add r0, sp, #0
 	add r1, r4, #4
 	mov r2, #0xb
@@ -3570,7 +3492,7 @@ sub_0205C440: ; 0x0205C440
 	bl CopyBitsTo
 	mov r0, r5
 	add r1, r4, #4
-	bl sub_020515C4
+	bl Copy16BitsTo
 	mov r0, r5
 	add r1, r4, #8
 	mov r2, #0x18
@@ -7911,7 +7833,7 @@ _0205FD1C:
 	mov r0, r6
 	add r1, r1, #0x340
 	add r1, r1, r7
-	bl sub_020515C4
+	bl Copy16BitsTo
 	add r8, r8, #1
 	cmp r8, #0x10
 	blt _0205FD1C
@@ -8050,7 +7972,7 @@ sub_0205FE80: ; 0x0205FE80
 	bl CopyBitsTo
 	mov r0, r5
 	add r1, r4, #4
-	bl sub_020515C4
+	bl Copy16BitsTo
 	mov r0, r5
 	add r1, r4, #0xc
 	mov r2, #8
diff --git a/asm/overlay_01.s b/asm/overlay_01.s
index c42d1e16..16a9ea2d 100644
--- a/asm/overlay_01.s
+++ b/asm/overlay_01.s
@@ -6189,7 +6189,7 @@ ov01_0232E334: ; 0x0232E334
 	bl CopyBitsTo
 	mov r0, r7
 	add r1, r6, #5
-	bl sub_020515C4
+	bl Copy16BitsTo
 	mov r0, r7
 	add r1, r6, #8
 	mov r2, #0xb
diff --git a/include/main_02059334.h b/include/main_02059334.h
index 1558e1d2..5db877e7 100644
--- a/include/main_02059334.h
+++ b/include/main_02059334.h
@@ -5,5 +5,6 @@
 #include "main_02059060.h"
 
 void WriteMonsterToSave(struct WriteMonsterInfoToSave_struct *write_info, struct ground_monster *monster);
+void ReadMonsterFromSave(struct WriteMonsterInfoToSave_struct *read_info, struct ground_monster *monster);
 
 #endif //PMDSKY_MAIN_02059334_H
diff --git a/main.lsf b/main.lsf
index 14d6ffc3..73429807 100644
--- a/main.lsf
+++ b/main.lsf
@@ -132,7 +132,7 @@ Static main
 	Object src/main_02059060.o
 	Object asm/main_02059224.o
 	Object src/main_02059334.o
-	Object asm/main_02059444.o
+	Object asm/main_0205956C.o
 	Object src/dungeon_init_2.o
 	Object asm/main_0206A750.o
 	Object src/main_0206C98C.o
diff --git a/src/main_02059334.c b/src/main_02059334.c
index 2be1fb06..3456e009 100644
--- a/src/main_02059334.c
+++ b/src/main_02059334.c
@@ -1,15 +1,19 @@
 #include "main_02059334.h"
 
 extern void CopyBitsTo(void *ctx, void *src, s32 nbits);
-extern void sub_020515C4(struct WriteMonsterInfoToSave_struct *p0, void *p1);
+extern void Copy16BitsTo(struct WriteMonsterInfoToSave_struct *p0, void *p1);
 extern void CopyMovesetTo(void *write_info, void *buffer_write);
+extern void* memset(void *s, s32 c, u32 n);
+extern void CopyBitsFrom(void *read_info, void *buf_read, s32 nbits);
+extern void Copy16BitsFrom(void *read_info, void *buf_read);
+extern void CopyMovesetFrom(struct WriteMonsterInfoToSave_struct *read_info, void *dst);
 
 void WriteMonsterToSave(struct WriteMonsterInfoToSave_struct *write_info, struct ground_monster *monster)
 {
     CopyBitsTo(write_info, &monster->is_valid, 1);
     CopyBitsTo(write_info, &monster->level, 7);
     CopyBitsTo(write_info, &monster->id, 11);
-    sub_020515C4(write_info, &monster->joined_at);
+    Copy16BitsTo(write_info, &monster->joined_at);
     CopyBitsTo(write_info, &monster->level_at_first_evo, 7);
     CopyBitsTo(write_info, &monster->level_at_second_evo, 7);
     CopyBitsTo(write_info, &monster->iq, 10);
@@ -24,3 +28,25 @@ void WriteMonsterToSave(struct WriteMonsterInfoToSave_struct *write_info, struct
     CopyMovesetTo(write_info, &monster->moves);
     CopyBitsTo(write_info, &monster->name, 80);
 }
+
+void ReadMonsterFromSave(struct WriteMonsterInfoToSave_struct *read_info, struct ground_monster *monster)
+{
+    memset(monster, 0, 68);
+    CopyBitsFrom(read_info, &monster->is_valid, 1);
+    CopyBitsFrom(read_info, &monster->level, 7);
+    CopyBitsFrom(read_info, &monster->id, 11);
+    Copy16BitsFrom(read_info, &monster->joined_at);
+    CopyBitsFrom(read_info, &monster->level_at_first_evo, 7);
+    CopyBitsFrom(read_info, &monster->level_at_second_evo, 7);
+    CopyBitsFrom(read_info, &monster->iq, 10);
+    CopyBitsFrom(read_info, &monster->max_hp, 10);
+    CopyBitsFrom(read_info, &monster->offensive_stats[0], 8);
+    CopyBitsFrom(read_info, &monster->offensive_stats[1], 8);
+    CopyBitsFrom(read_info, &monster->defensive_stats[0], 8);
+    CopyBitsFrom(read_info, &monster->defensive_stats[1], 8);
+    CopyBitsFrom(read_info, &monster->exp, 24);
+    CopyBitsFrom(read_info, &monster->iq_skill_flags, 69);
+    CopyBitsFrom(read_info, &monster->tactic, 4);
+    CopyMovesetFrom(read_info, &monster->moves);
+    CopyBitsFrom(read_info, &monster->name, 80);
+}