diff --git a/asm/include/main_0205E3F8.inc b/asm/include/main_0205E448.inc
similarity index 99%
rename from asm/include/main_0205E3F8.inc
rename to asm/include/main_0205E448.inc
index 9e1bb18f..3a050544 100644
--- a/asm/include/main_0205E3F8.inc
+++ b/asm/include/main_0205E448.inc
@@ -347,4 +347,5 @@
 .public sub_0205E090
 .public sub_0205E258
 .public sub_0205E2B8
+.public sub_0205E3F8
 .public vsprintf
diff --git a/asm/main_0205E3F8.s b/asm/main_0205E448.s
similarity index 99%
rename from asm/main_0205E3F8.s
rename to asm/main_0205E448.s
index 31dc885a..1f943bdf 100644
--- a/asm/main_0205E3F8.s
+++ b/asm/main_0205E448.s
@@ -1,35 +1,8 @@
 	.include "asm/macros.inc"
-	.include "main_0205E3F8.inc"
+	.include "main_0205E448.inc"
 
 	.text
 
-	arm_func_start sub_0205E3F8
-sub_0205E3F8: ; 0x0205E3F8
-	stmdb sp!, {r3, lr}
-	mov lr, r0
-	mov ip, #0
-	b _0205E438
-_0205E408:
-	ldrb r0, [r2, ip, lsl #5]
-	mov r3, ip, lsl #5
-	cmp r0, #0
-	bne _0205E434
-	add ip, r2, r3
-	ldmia lr!, {r0, r1, r2, r3}
-	stmia ip!, {r0, r1, r2, r3}
-	ldmia lr, {r0, r1, r2, r3}
-	stmia ip, {r0, r1, r2, r3}
-	mov r0, #0
-	ldmia sp!, {r3, pc}
-_0205E434:
-	add ip, ip, #1
-_0205E438:
-	cmp ip, r1
-	blt _0205E408
-	mov r0, #1
-	ldmia sp!, {r3, pc}
-	arm_func_end sub_0205E3F8
-
 	arm_func_start sub_0205E448
 sub_0205E448: ; 0x0205E448
 	stmdb sp!, {r4, lr}
diff --git a/include/main_0205E288.h b/include/main_0205E288.h
index 84e2b9a6..975d7834 100644
--- a/include/main_0205E288.h
+++ b/include/main_0205E288.h
@@ -3,7 +3,12 @@
 
 #include "mission.h"
 
+struct unkStruct_0205E3F8 {
+    u32 data[8];
+};
+
 bool8 sub_0205E288(struct mission *mission, u32 val, u8 *ptr2);
 bool8 sub_0205E2B8(u32 arg0, u8 *arg1);
+bool8 sub_0205E3F8(struct unkStruct_0205E3F8 *src, s32 limit, struct unkStruct_0205E3F8 *destArray);
 
 #endif //PMDSKY_MAIN_0205E288_H
diff --git a/main.lsf b/main.lsf
index a0410585..9e1f4dbf 100644
--- a/main.lsf
+++ b/main.lsf
@@ -168,7 +168,7 @@ Static main
 	Object src/main_0205E01C.o
 	Object asm/main_0205E090.o
 	Object src/main_0205E288.o
-	Object asm/main_0205E3F8.o
+	Object asm/main_0205E448.o
 	Object src/dungeon_init_2.o
 	Object asm/main_0206A750.o
 	Object src/main_0206C98C.o
diff --git a/src/main_0205E288.c b/src/main_0205E288.c
index bf9eb11e..443ef886 100644
--- a/src/main_0205E288.c
+++ b/src/main_0205E288.c
@@ -47,3 +47,17 @@ bool8 sub_0205E2B8(u32 arg0, u8 *arg1)
 
     return FALSE;
 }
+
+bool8 sub_0205E3F8(struct unkStruct_0205E3F8 *src, s32 limit, struct unkStruct_0205E3F8 *destArray)
+{
+    for (s32 i = 0; i < limit; i++)
+    {
+        if (*(u8 *)&destArray[i] == 0)
+        {
+            destArray[i] = *src;
+            return FALSE;
+        }
+    }
+
+    return TRUE;
+}