diff --git a/asm/enemy/chuchuBoss.s b/asm/enemy/chuchuBoss.s
index bae3f1c2..5bd91cf9 100644
--- a/asm/enemy/chuchuBoss.s
+++ b/asm/enemy/chuchuBoss.s
@@ -10,151 +10,6 @@
 
 
 
-	thumb_func_start sub_08027870
-sub_08027870: @ 0x08027870
-	push {r4, r5, r6, r7, lr}
-	adds r7, r0, #0
-	ldr r4, [r7, #0x54]
-	ldr r5, [r7, #0x68]
-	ldr r6, [r7, #0x50]
-	ldr r0, [r4, #0x74]
-	str r0, [r6, #0x74]
-	ldr r0, [r4, #0x78]
-	str r0, [r6, #0x78]
-	ldr r0, [r4, #0x74]
-	str r0, [r5, #0x74]
-	ldr r0, [r4, #0x78]
-	str r0, [r5, #0x78]
-	adds r0, r4, #0
-	adds r0, #0x83
-	ldrb r0, [r0]
-	rsbs r0, r0, #0
-	adds r1, r4, #0
-	adds r1, #0x7f
-	strb r0, [r1]
-	adds r0, r5, #0
-	adds r0, #0x83
-	ldrb r0, [r0]
-	rsbs r0, r0, #0
-	adds r1, r5, #0
-	adds r1, #0x7f
-	strb r0, [r1]
-	adds r0, r6, #0
-	adds r0, #0x83
-	ldrb r0, [r0]
-	rsbs r0, r0, #0
-	adds r1, r6, #0
-	adds r1, #0x7f
-	strb r0, [r1]
-	adds r1, r5, #0
-	adds r1, #0x7a
-	ldrh r0, [r1]
-	cmp r0, #0xa0
-	bls _080278C2
-	movs r0, #0xe
-	b _080278CC
-_080278C2:
-	ldrh r1, [r1]
-	movs r0, #0xa0
-	subs r0, r0, r1
-	asrs r0, r0, #3
-	adds r0, #0xe
-_080278CC:
-	strb r0, [r5, #0xe]
-	adds r1, r6, #0
-	adds r1, #0x7a
-	ldrh r0, [r1]
-	cmp r0, #0xa0
-	bls _080278EA
-	adds r2, r4, #0
-	adds r2, #0x7a
-	ldrh r1, [r2]
-	subs r1, #0xa0
-	asrs r1, r1, #4
-	movs r0, #0x12
-	subs r0, r0, r1
-	strb r0, [r6, #0xe]
-	b _080278FA
-_080278EA:
-	ldrh r1, [r1]
-	movs r0, #0xa0
-	subs r0, r0, r1
-	asrs r0, r0, #2
-	adds r0, #0x12
-	strb r0, [r6, #0xe]
-	adds r2, r4, #0
-	adds r2, #0x7a
-_080278FA:
-	adds r0, r2, #0
-	ldrh r1, [r0]
-	cmp r1, #0xa0
-	bls _0802791A
-	adds r0, r1, #0
-	subs r0, #0xa0
-	asrs r0, r0, #2
-	movs r1, #0xe
-	subs r1, r1, r0
-	strb r1, [r4, #0xe]
-	movs r0, #0x80
-	ands r1, r0
-	cmp r1, #0
-	beq _08027934
-	movs r0, #0
-	b _08027932
-_0802791A:
-	cmp r1, #0x7f
-	bhi _08027928
-	ldrh r1, [r0]
-	movs r0, #0xa0
-	subs r0, r0, r1
-	asrs r0, r0, #2
-	b _08027930
-_08027928:
-	ldrh r1, [r2]
-	movs r0, #0xa0
-	subs r0, r0, r1
-	asrs r0, r0, #1
-_08027930:
-	adds r0, #0xe
-_08027932:
-	strb r0, [r4, #0xe]
-_08027934:
-	ldr r0, [r7, #0x2c]
-	str r0, [r5, #0x2c]
-	ldr r0, [r7, #0x30]
-	str r0, [r5, #0x30]
-	ldrb r1, [r5, #0xe]
-	lsls r1, r1, #8
-	adds r0, r5, #0
-	adds r0, #0x83
-	ldrb r2, [r0]
-	adds r0, r5, #0
-	bl LinearMoveAngle
-	ldr r0, [r5, #0x2c]
-	str r0, [r6, #0x2c]
-	ldr r0, [r5, #0x30]
-	str r0, [r6, #0x30]
-	ldrb r1, [r6, #0xe]
-	lsls r1, r1, #8
-	adds r0, r6, #0
-	adds r0, #0x83
-	ldrb r2, [r0]
-	adds r0, r6, #0
-	bl LinearMoveAngle
-	ldr r0, [r6, #0x2c]
-	str r0, [r4, #0x2c]
-	ldr r0, [r6, #0x30]
-	str r0, [r4, #0x30]
-	ldrb r1, [r4, #0xe]
-	lsls r1, r1, #8
-	adds r0, r4, #0
-	adds r0, #0x83
-	ldrb r2, [r0]
-	adds r0, r4, #0
-	bl LinearMoveAngle
-	adds r0, r7, #0
-	bl sub_08027984
-	pop {r4, r5, r6, r7, pc}
 
 	thumb_func_start sub_08027984
 sub_08027984: @ 0x08027984
diff --git a/include/functions.h b/include/functions.h
index 18cc67e7..11de5285 100644
--- a/include/functions.h
+++ b/include/functions.h
@@ -78,7 +78,6 @@ extern u32 sub_0801766C(Entity*);
 extern void sub_0801AFE4(void);
 extern void UpdateUIElements(void);
 extern void sub_0801E104(void);
-extern void sub_08027870(Entity*);
 extern void sub_08030118(u32);
 extern void sub_0803C0AC(Entity*);
 extern void sub_08049CF4(Entity*);
diff --git a/src/enemy/chuchuBoss.c b/src/enemy/chuchuBoss.c
index 04c38521..9e138ff5 100644
--- a/src/enemy/chuchuBoss.c
+++ b/src/enemy/chuchuBoss.c
@@ -122,7 +122,7 @@ void sub_0802757C();
 void sub_080276F4();
 void sub_080277B8();
 void sub_080277F8();
-void sub_08027870();
+void sub_08027870(ChuchuBossEntity*);
 void sub_08027984();
 void sub_080279AC();
 bool32 sub_080279E8(ChuchuBossEntity*);
@@ -262,7 +262,7 @@ void ChuchuBoss(Entity* this) {
 void ChuchuBoss_OnKnockback(ChuchuBossEntity* this) {
     GenericKnockback(super);
     if (super->type == 0) {
-        sub_08027870(super);
+        sub_08027870(this);
     }
 }
 
@@ -314,7 +314,7 @@ void ChuchuBoss_OnDeath(ChuchuBossEntity* this) {
                     break;
             }
         }
-        sub_08027870(super);
+        sub_08027870(this);
     } else {
         if (this->unk_6d.unk1) {
             this->unk_6d.unk1 = 1;
@@ -656,7 +656,7 @@ void sub_0802650C(ChuchuBossEntity* this) {
         this->unk_84->unk_03++;
         gRoomControls.camera_target = &gPlayerEntity;
     }
-    sub_08027870(super);
+    sub_08027870(this);
 }
 
 void sub_0802653C(ChuchuBossEntity* this) {
@@ -697,7 +697,7 @@ void sub_08026580(ChuchuBossEntity* this) {
                 }
             }
         }
-        sub_08027870(super);
+        sub_08027870(this);
     }
 }
 
@@ -747,7 +747,7 @@ void sub_08026634(ChuchuBossEntity* this) {
             this->unk_7d--;
         }
     }
-    sub_08027870(super);
+    sub_08027870(this);
 }
 
 void sub_08026750(ChuchuBossEntity* this) {
@@ -811,7 +811,7 @@ void sub_0802686C(ChuchuBossEntity* this) {
         super->subAction = 5;
         this->unk_84->unk_03 = 0;
         sub_08027B98(this, 0x80, 0x80, 0x80, 0);
-        sub_08027870(super);
+        sub_08027870(this);
         InitAnimationForceUpdate(super->child, 3);
         SoundReq(SFX_1A1);
     }
@@ -864,7 +864,7 @@ void sub_08026968(ChuchuBossEntity* this) {
         pEVar6->unk_82.HWORD += sVar5;
         pEVar7->unk_82.HWORD += sVar5;
     }
-    sub_08027870(super);
+    sub_08027870(this);
 }
 
 void sub_080269CC(ChuchuBossEntity* this) {
@@ -970,7 +970,7 @@ void sub_080269CC(ChuchuBossEntity* this) {
         pEVar7->unk_74.WORD += 0x40000;
         pEVar7->unk_78.WORD -= 0x8000;
     }
-    sub_08027870(super);
+    sub_08027870(this);
 }
 
 void sub_08026BE8(ChuchuBossEntity* this) {
@@ -988,7 +988,7 @@ void sub_08026BE8(ChuchuBossEntity* this) {
     } else {
         this->unk_7c--;
     }
-    sub_08027870(super);
+    sub_08027870(this);
 }
 
 void sub_08026C40(ChuchuBossEntity* this) {
@@ -1079,7 +1079,7 @@ void sub_08026C40(ChuchuBossEntity* this) {
         pEVar6->base.subtimer = 0;
         sub_08027B98(this, 0x90, 0xb0, 0x10, 0);
     }
-    sub_08027870(super);
+    sub_08027870(this);
 }
 
 void sub_08026E1C(ChuchuBossEntity* this) {
@@ -1183,7 +1183,7 @@ void sub_08026FA4(ChuchuBossEntity* this) {
             }
         }
     }
-    sub_08027870(super);
+    sub_08027870(this);
 }
 
 void sub_08027064(ChuchuBossEntity* this) {
@@ -1264,7 +1264,7 @@ void sub_08027064(ChuchuBossEntity* this) {
             this->unk_7c = 0x3c;
         }
     }
-    sub_08027870(super);
+    sub_08027870(this);
 }
 
 void sub_0802720C(ChuchuBossEntity* this) {
@@ -1566,3 +1566,58 @@ void sub_080277F8(ChuchuBossEntity* this) {
     pEVar5->unk_78.WORD = pEVar3->unk_78.WORD;
     sub_08027984(this);
 }
+
+void sub_08027870(ChuchuBossEntity* this) {
+    u32 cVar1;
+    u32 uVar2;
+    u32 uVar3;
+    ChuchuBossEntity* pEVar5;
+    ChuchuBossEntity* pEVar7;
+    ChuchuBossEntity* pEVar6;
+
+    pEVar5 = (ChuchuBossEntity*)super->child;
+    pEVar7 = this->unk_68;
+    pEVar6 = (ChuchuBossEntity*)super->parent;
+    pEVar6->unk_74.WORD = pEVar5->unk_74.WORD;
+    pEVar6->unk_78.WORD = pEVar5->unk_78.WORD;
+    pEVar7->unk_74.WORD = pEVar5->unk_74.WORD;
+    pEVar7->unk_78.WORD = pEVar5->unk_78.WORD;
+    pEVar5->unk_7e.HALF.HI = -pEVar5->unk_82.HALF.HI;
+    pEVar7->unk_7e.HALF.HI = -pEVar7->unk_82.HALF.HI;
+    pEVar6->unk_7e.HALF.HI = -pEVar6->unk_82.HALF.HI;
+    if (pEVar7->unk_78.HALF_U.HI >= 0xa1) {
+        uVar2 = 14;
+    } else {
+        uVar2 = ((0xa0 - pEVar7->unk_78.HALF_U.HI) >> 3) + 14;
+    }
+    pEVar7->base.timer = uVar2;
+    if (pEVar6->unk_78.HALF_U.HI >= 0xa1) {
+        pEVar6->base.timer = 18 - ((pEVar5->unk_78.HALF_U.HI - 0xa0) >> 4);
+    } else {
+        pEVar6->base.timer = ((0xa0 - pEVar6->unk_78.HALF_U.HI) >> 2) + 18;
+    }
+    if (pEVar5->unk_78.HALF_U.HI >= 0xa1) {
+        uVar3 = 0xe - ((pEVar5->unk_78.HALF_U.HI - 0xa0) >> 2);
+        pEVar5->base.timer = uVar3;
+        if ((uVar3 & 0x80) != 0) {
+            pEVar5->base.timer = 0;
+        }
+    } else {
+        if (pEVar5->unk_78.HALF_U.HI < 0x80) {
+            cVar1 = ((0xa0 - pEVar5->unk_78.HALF_U.HI) >> 2);
+        } else {
+            cVar1 = ((0xa0 - pEVar5->unk_78.HALF_U.HI) >> 1);
+        }
+        pEVar5->base.timer = cVar1 + 14;
+    }
+    pEVar7->base.x.WORD = super->x.WORD;
+    pEVar7->base.y.WORD = super->y.WORD;
+    LinearMoveAngle(&pEVar7->base, pEVar7->base.timer << 8, pEVar7->unk_82.HALF.HI);
+    pEVar6->base.x.WORD = pEVar7->base.x.WORD;
+    pEVar6->base.y.WORD = pEVar7->base.y.WORD;
+    LinearMoveAngle(&pEVar6->base, pEVar6->base.timer << 8, pEVar6->unk_82.HALF.HI);
+    pEVar5->base.x.WORD = pEVar6->base.x.WORD;
+    pEVar5->base.y.WORD = pEVar6->base.y.WORD;
+    LinearMoveAngle(&pEVar5->base, pEVar5->base.timer << 8, pEVar5->unk_82.HALF.HI);
+    sub_08027984(this);
+}