diff --git a/asm/field_map_obj.s b/asm/field_map_obj.s
index 0e90f75629..aeca020ab0 100644
--- a/asm/field_map_obj.s
+++ b/asm/field_map_obj.s
@@ -5,229 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_808E1B8
-sub_808E1B8: @ 808E1B8
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x28
-	lsls r0, 24
-	lsrs r0, 24
-	mov r9, r0
-	lsls r1, 16
-	lsrs r1, 16
-	mov r10, r1
-	lsls r2, 16
-	lsrs r2, 16
-	str r2, [sp, 0x24]
-	movs r7, 0
-	ldr r2, =gLinkPlayerMapObjects
-_0808E1DA:
-	lsls r0, r7, 2
-	adds r1, r0, r2
-	ldrb r0, [r1]
-	cmp r0, 0
-	beq _0808E1EC
-	ldrb r1, [r1, 0x2]
-	cmp r9, r1
-	bne _0808E1EC
-	b _0808E374
-_0808E1EC:
-	adds r0, r7, 0x1
-	lsls r0, 24
-	lsrs r7, r0, 24
-	cmp r7, 0x3
-	bls _0808E1DA
-	mov r1, r9
-	lsls r0, r1, 3
-	add r0, r9
-	lsls r0, 2
-	ldr r1, =gMapObjects
-	adds r6, r0, r1
-	movs r0, 0
-	str r0, [sp, 0x20]
-	ldrb r0, [r6, 0x5]
-	bl GetFieldObjectGraphicsInfo
-	adds r5, r0, 0
-	ldrh r2, [r5, 0x6]
-	ldr r1, =0xffff0000
-	add r4, sp, 0x18
-	ldr r0, [r4, 0x4]
-	ands r0, r1
-	orrs r0, r2
-	str r0, [r4, 0x4]
-	ldrb r0, [r6, 0x5]
-	ldrb r1, [r6, 0x6]
-	add r3, sp, 0x20
-	mov r2, sp
-	bl MakeObjectTemplateFromFieldObjectGraphicsInfoWithCallbackIndex
-	str r4, [sp, 0xC]
-	mov r1, sp
-	ldr r2, =0x0000ffff
-	adds r0, r2, 0
-	strh r0, [r1, 0x2]
-	ldrb r0, [r5, 0xC]
-	lsls r1, r0, 28
-	lsrs r0, r1, 28
-	mov r8, r0
-	cmp r0, 0
-	bne _0808E258
-	ldrh r0, [r5, 0x2]
-	lsrs r1, 28
-	bl npc_load_two_palettes__no_record
-	b _0808E27E
-	.pool
-_0808E258:
-	mov r2, r8
-	cmp r2, 0xA
-	bne _0808E268
-	ldrh r0, [r5, 0x2]
-	lsrs r1, 28
-	bl npc_load_two_palettes__and_record
-	b _0808E27E
-_0808E268:
-	mov r0, r8
-	cmp r0, 0xF
-	bls _0808E27E
-	subs r0, 0x10
-	lsls r0, 24
-	lsrs r0, 24
-	mov r8, r0
-	ldrh r0, [r5, 0x2]
-	mov r1, r8
-	bl sub_808EAB0
-_0808E27E:
-	mov r1, sp
-	ldr r2, =0x0000ffff
-	adds r0, r2, 0
-	strh r0, [r1, 0x2]
-	mov r0, sp
-	movs r1, 0
-	movs r2, 0
-	movs r3, 0
-	bl CreateSprite
-	lsls r0, 24
-	lsrs r7, r0, 24
-	cmp r7, 0x40
-	beq _0808E374
-	lsls r0, r7, 4
-	adds r0, r7
-	lsls r0, 2
-	ldr r1, =gSprites
-	adds r4, r0, r1
-	mov r1, r10
-	lsls r0, r1, 16
-	asrs r0, 16
-	ldrh r2, [r6, 0x10]
-	adds r0, r2
-	lsls r0, 16
-	asrs r0, 16
-	ldr r2, [sp, 0x24]
-	lsls r1, r2, 16
-	asrs r1, 16
-	ldrh r2, [r6, 0x12]
-	adds r1, r2
-	lsls r1, 16
-	asrs r1, 16
-	adds r2, r4, 0
-	adds r2, 0x20
-	adds r3, r4, 0
-	adds r3, 0x22
-	bl sub_8092FF0
-	ldrh r0, [r5, 0x8]
-	lsls r0, 16
-	asrs r0, 17
-	negs r0, r0
-	adds r1, r4, 0
-	adds r1, 0x28
-	strb r0, [r1]
-	ldrh r0, [r5, 0xA]
-	lsls r0, 16
-	asrs r0, 17
-	negs r0, r0
-	adds r2, r4, 0
-	adds r2, 0x29
-	strb r0, [r2]
-	ldrh r0, [r4, 0x20]
-	adds r0, 0x8
-	strh r0, [r4, 0x20]
-	ldrh r1, [r4, 0x22]
-	adds r1, 0x10
-	movs r0, 0
-	ldrsb r0, [r2, r0]
-	adds r0, r1
-	strh r0, [r4, 0x22]
-	ldr r0, [r5, 0x1C]
-	str r0, [r4, 0xC]
-	ldrb r0, [r6, 0x6]
-	cmp r0, 0xB
-	bne _0808E312
-	mov r0, r9
-	adds r1, r7, 0
-	bl SetPlayerAvatarFieldObjectIdAndObjectId
-	bl sub_8154228
-	strb r0, [r6, 0x1B]
-_0808E312:
-	ldr r1, [sp, 0x20]
-	cmp r1, 0
-	beq _0808E31E
-	adds r0, r4, 0
-	bl SetSubspriteTables
-_0808E31E:
-	mov r0, r8
-	lsls r2, r0, 4
-	ldrb r1, [r4, 0x5]
-	movs r0, 0xF
-	ands r0, r1
-	orrs r0, r2
-	strb r0, [r4, 0x5]
-	adds r2, r4, 0
-	adds r2, 0x3E
-	ldrb r0, [r2]
-	movs r1, 0x2
-	orrs r0, r1
-	strb r0, [r2]
-	mov r1, r9
-	strh r1, [r4, 0x2E]
-	strb r7, [r6, 0x4]
-	ldrb r0, [r6, 0x1]
-	lsls r0, 27
-	cmp r0, 0
-	blt _0808E362
-	ldrb r0, [r6, 0x6]
-	cmp r0, 0xB
-	beq _0808E362
-	ldrb r0, [r6, 0x18]
-	lsls r0, 28
-	lsrs r0, 28
-	bl FieldObjectDirectionToImageAnimId
-	adds r1, r0, 0
-	lsls r1, 24
-	lsrs r1, 24
-	adds r0, r4, 0
-	bl StartSpriteAnim
-_0808E362:
-	adds r0, r6, 0
-	bl sub_808E38C
-	ldrb r0, [r6, 0xB]
-	lsrs r0, 4
-	adds r1, r4, 0
-	movs r2, 0x1
-	bl SetObjectSubpriorityByZCoord
-_0808E374:
-	add sp, 0x28
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_808E1B8
-
 	thumb_func_start sub_808E38C
 @ void sub_808E38C(struct npc_state *fieldObject)
 sub_808E38C: @ 808E38C
diff --git a/include/field_effect_helpers.h b/include/field_effect_helpers.h
new file mode 100644
index 0000000000..673d591394
--- /dev/null
+++ b/include/field_effect_helpers.h
@@ -0,0 +1,15 @@
+//
+// Created by scott on 9/7/2017.
+//
+
+#ifndef POKEEMERALD_FIELD_EFFECT_HELPERS_H
+#define POKEEMERALD_FIELD_EFFECT_HELPERS_H
+
+// Exported type declarations
+
+// Exported RAM declarations
+
+// Exported ROM declarations
+u8 sub_8154228(void);
+
+#endif //POKEEMERALD_FIELD_EFFECT_HELPERS_H
diff --git a/src/field_map_obj.c b/src/field_map_obj.c
index 3e3f22a455..69aa2b8f8b 100644
--- a/src/field_map_obj.c
+++ b/src/field_map_obj.c
@@ -10,6 +10,7 @@
 #include "rom_81BE66C.h"
 #include "field_ground_effect.h"
 #include "map_obj_8097404.h"
+#include "field_effect_helpers.h"
 #include "field_map_obj.h"
 
 #define NUM_FIELD_MAP_OBJECT_TEMPLATES 0x51
@@ -33,8 +34,10 @@ void sub_8096518(struct MapObject *, struct Sprite *);
 /*static*/ void GetFieldObjectMovingCameraOffset(s16 *, s16 *);
 /*static*/ struct MapObjectTemplate *GetFieldObjectTemplateByLocalIdAndMap(u8, u8, u8);
 /*static*/ void sub_808E894(u16);
-/*static*/ void RemoveFieldObjectIfOutsideView(struct MapObject *mapObject);
-/*static*/ void sub_808E1B8(u8, s16, s16);
+/*static*/ void RemoveFieldObjectIfOutsideView(struct MapObject *);
+static void sub_808E1B8(u8, s16, s16);
+/*static*/ void SetPlayerAvatarFieldObjectIdAndObjectId(u8, u8);
+/*static*/ void sub_808E38C(struct MapObject *);
 
 // ROM data
 
@@ -801,3 +804,78 @@ void sub_808E16C(s16 x, s16 y)
     }
     sub_808D450();
 }
+
+static void sub_808E1B8(u8 mapObjectId, s16 x, s16 y)
+{
+    u8 spriteId;
+    u8 paletteSlot;
+    struct MapObject *mapObject;
+    const struct SubspriteTable *subspriteTables;
+    const struct MapObjectGraphicsInfo *graphicsInfo;
+    struct SpriteFrameImage spriteFrameImage;
+    struct SpriteTemplate spriteTemplate;
+    struct Sprite *sprite;
+
+#define i spriteId
+    for (i = 0; i < ARRAY_COUNT(gLinkPlayerMapObjects); i ++)
+    {
+        if (gLinkPlayerMapObjects[i].active && mapObjectId == gLinkPlayerMapObjects[i].mapObjId)
+        {
+            return;
+        }
+    }
+#undef i
+
+    mapObject = &gMapObjects[mapObjectId];
+    subspriteTables = NULL;
+    graphicsInfo = GetFieldObjectGraphicsInfo(mapObject->graphicsId);
+    spriteFrameImage.size = graphicsInfo->size;
+    MakeObjectTemplateFromFieldObjectGraphicsInfoWithCallbackIndex(mapObject->graphicsId, mapObject->animPattern, &spriteTemplate, &subspriteTables);
+    spriteTemplate.images = &spriteFrameImage;
+    *(u16 *)&spriteTemplate.paletteTag = 0xffff;
+    paletteSlot = graphicsInfo->paletteSlot;
+    if (paletteSlot == 0)
+    {
+        npc_load_two_palettes__no_record(graphicsInfo->paletteTag1, graphicsInfo->paletteSlot);
+    }
+    else if (paletteSlot == 10)
+    {
+        npc_load_two_palettes__and_record(graphicsInfo->paletteTag1, graphicsInfo->paletteSlot);
+    }
+    else if (paletteSlot >= 16)
+    {
+        paletteSlot -= 16;
+        sub_808EAB0(graphicsInfo->paletteTag1, paletteSlot);
+    }
+    *(u16 *)&spriteTemplate.paletteTag = 0xffff;
+    spriteId = CreateSprite(&spriteTemplate, 0, 0, 0);
+    if (spriteId != MAX_SPRITES)
+    {
+        sprite = &gSprites[spriteId];
+        sub_8092FF0(x + mapObject->coords2.x, y + mapObject->coords2.y, &sprite->pos1.x, &sprite->pos1.y);
+        sprite->centerToCornerVecX = -(graphicsInfo->width >> 1);
+        sprite->centerToCornerVecY = -(graphicsInfo->height >> 1);
+        sprite->pos1.x += 8;
+        sprite->pos1.y += 16 + sprite->centerToCornerVecY;
+        sprite->images = graphicsInfo->images;
+        if (mapObject->animPattern == 0x0b)
+        {
+            SetPlayerAvatarFieldObjectIdAndObjectId(mapObjectId, spriteId);
+            mapObject->mapobj_unk_1B = sub_8154228();
+        }
+        if (subspriteTables != NULL)
+        {
+            SetSubspriteTables(sprite, subspriteTables);
+        }
+        sprite->oam.paletteNum = paletteSlot;
+        sprite->coordOffsetEnabled = TRUE;
+        sprite->data0 = mapObjectId;
+        mapObject->spriteId = spriteId;
+        if (!mapObject->mapobj_bit_12 && mapObject->animPattern != 0x0b)
+        {
+            StartSpriteAnim(sprite, FieldObjectDirectionToImageAnimId(mapObject->mapobj_unk_18));
+        }
+        sub_808E38C(mapObject);
+        SetObjectSubpriorityByZCoord(mapObject->elevation, sprite, 1);
+    }
+}