diff --git a/asm/use_pokeblock.s b/asm/use_pokeblock.s
index f5abbb27e..c153f7cfb 100755
--- a/asm/use_pokeblock.s
+++ b/asm/use_pokeblock.s
@@ -6,70 +6,6 @@
 
 	.text
 
-	thumb_func_start sub_8136EF0
-sub_8136EF0: @ 8136EF0
-	push {r4,r5,lr}
-	ldr r5, _08136F60 @ =gPlayerParty
-	ldr r0, _08136F64 @ =gUnknown_083DFEC4
-	ldr r1, [r0]
-	ldr r2, _08136F68 @ =0x000087dc
-	adds r0, r1, r2
-	movs r2, 0
-	ldrsh r0, [r0, r2]
-	lsls r0, 2
-	adds r1, r0
-	ldr r0, _08136F6C @ =0x0000893e
-	adds r1, r0
-	ldrb r0, [r1]
-	lsls r0, 27
-	lsrs r0, 27
-	movs r1, 0x64
-	muls r0, r1
-	adds r5, r0, r5
-	ldr r4, _08136F70 @ =gUnknown_02039304
-	ldr r1, [r4]
-	adds r1, 0x57
-	adds r0, r5, 0
-	bl sub_8136E10
-	ldr r0, [r4]
-	ldr r0, [r0, 0x8]
-	adds r1, r5, 0
-	bl sub_8136E40
-	ldr r1, [r4]
-	adds r1, 0x5C
-	adds r0, r5, 0
-	bl sub_8136E10
-	movs r3, 0
-_08136F36:
-	ldr r0, [r4]
-	adds r2, r0, 0
-	adds r2, 0x61
-	adds r2, r3
-	adds r1, r0, 0
-	adds r1, 0x5C
-	adds r1, r3
-	adds r0, 0x57
-	adds r0, r3
-	ldrb r1, [r1]
-	ldrb r0, [r0]
-	subs r1, r0
-	strb r1, [r2]
-	adds r0, r3, 0x1
-	lsls r0, 16
-	lsrs r3, r0, 16
-	cmp r3, 0x4
-	bls _08136F36
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08136F60: .4byte gPlayerParty
-_08136F64: .4byte gUnknown_083DFEC4
-_08136F68: .4byte 0x000087dc
-_08136F6C: .4byte 0x0000893e
-_08136F70: .4byte gUnknown_02039304
-	thumb_func_end sub_8136EF0
-
 	thumb_func_start sub_8136F74
 sub_8136F74: @ 8136F74
 	push {r4-r7,lr}
diff --git a/include/pokenav.h b/include/pokenav.h
index 97634955a..70cc4135f 100755
--- a/include/pokenav.h
+++ b/include/pokenav.h
@@ -19,9 +19,8 @@ struct UnkPokenavStruct_Sub1 {
     /*0x54*/ u8 unk54;
     /*0x55*/ u8 unk55;
     /*0x56*/ u8 unk56;
-    /*0x57*/ u8 fil57[5];
-    /*0x5c*/ u8 unk5c[1];
-    /*0x5d*/ u8 fil5d[4];
+    /*0x57*/ u8 unk57[5];
+    /*0x5c*/ u8 unk5c[5];
     /*0x61*/ u8 unk61[5];
     /*0x66*/ s16 unk66[5];
 };
diff --git a/src/use_pokeblock.c b/src/use_pokeblock.c
index c4b0d4e2e..e21984180 100755
--- a/src/use_pokeblock.c
+++ b/src/use_pokeblock.c
@@ -783,3 +783,17 @@ void sub_8136E40(struct Pokeblock *pokeblock, struct Pokemon *pokemon)
         SetMonData(pokemon, MON_DATA_SHEEN, &data);
     }
 }
+
+void sub_8136EF0(void)
+{
+    u16 i;
+    struct Pokemon *pokemon = gPlayerParty;
+    pokemon += gUnknown_083DFEC4->unk893c[gUnknown_083DFEC4->unk87DC].partyIdx;
+    sub_8136E10(pokemon, gUnknown_02039304->unk57);
+    sub_8136E40(gUnknown_02039304->pokeblock, pokemon);
+    sub_8136E10(pokemon, gUnknown_02039304->unk5c);
+    for (i=0; i<5; i++)
+    {
+        gUnknown_02039304->unk61[i] = gUnknown_02039304->unk5c[i] - gUnknown_02039304->unk57[i];
+    }
+}