diff --git a/asm/helmasaur.s b/asm/helmasaur.s
deleted file mode 100644
index e8a891ea..00000000
--- a/asm/helmasaur.s
+++ /dev/null
@@ -1,936 +0,0 @@
-	.include "asm/macros.inc"
-
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-
-	thumb_func_start Helmasaur
-Helmasaur: @ 0x0802BB6C
-	push {r4, lr}
-	adds r4, r0, #0
-	ldrb r0, [r4, #0xa]
-	cmp r0, #0
-	bne _0802BB94
-	ldr r1, _0802BB90 @ =gUnk_080CD3E4
-	adds r0, r4, #0
-	bl EnemyFunctionHandler
-	movs r3, #0x10
-	rsbs r3, r3, #0
-	adds r0, r4, #0
-	movs r1, #0
-	movs r2, #1
-	bl SetChildOffset
-	b _0802BBA4
-	.align 2, 0
-_0802BB90: .4byte gUnk_080CD3E4
-_0802BB94:
-	ldr r0, _0802BBA8 @ =gUnk_080CD3FC
-	ldrb r1, [r4, #0xc]
-	lsls r1, r1, #2
-	adds r1, r1, r0
-	ldr r1, [r1]
-	adds r0, r4, #0
-	bl _call_via_r1
-_0802BBA4:
-	pop {r4, pc}
-	.align 2, 0
-_0802BBA8: .4byte gUnk_080CD3FC
-
-	thumb_func_start sub_0802BBAC
-sub_0802BBAC: @ 0x0802BBAC
-	push {lr}
-	ldr r2, _0802BBC0 @ =gUnk_080CD408
-	ldrb r1, [r0, #0xc]
-	lsls r1, r1, #2
-	adds r1, r1, r2
-	ldr r1, [r1]
-	bl _call_via_r1
-	pop {pc}
-	.align 2, 0
-_0802BBC0: .4byte gUnk_080CD408
-
-	thumb_func_start sub_0802BBC4
-sub_0802BBC4: @ 0x0802BBC4
-	push {r4, lr}
-	adds r4, r0, #0
-	adds r0, #0x3f
-	ldrb r0, [r0]
-	cmp r0, #0x19
-	beq _0802BBFE
-	adds r0, r4, #0
-	adds r0, #0x41
-	ldrb r0, [r0]
-	movs r1, #0x7f
-	ands r1, r0
-	cmp r1, #0
-	beq _0802BBEA
-	cmp r1, #0
-	blt _0802BBFE
-	cmp r1, #3
-	bgt _0802BBFE
-	cmp r1, #2
-	blt _0802BBFE
-_0802BBEA:
-	ldrb r0, [r4, #0xc]
-	cmp r0, #4
-	bne _0802BBFE
-	adds r1, r4, #0
-	adds r1, #0x42
-	movs r0, #0
-	strb r0, [r1]
-	adds r0, r4, #0
-	bl sub_0802C218
-_0802BBFE:
-	adds r0, r4, #0
-	adds r0, #0x43
-	ldrb r0, [r0]
-	cmp r0, #0
-	beq _0802BC10
-	adds r0, r4, #0
-	movs r1, #0x1c
-	bl sub_0804A9FC
-_0802BC10:
-	ldr r1, _0802BC1C @ =gUnk_080CD3E4
-	adds r0, r4, #0
-	bl sub_0804AA30
-	pop {r4, pc}
-	.align 2, 0
-_0802BC1C: .4byte gUnk_080CD3E4
-
-	thumb_func_start sub_0802BC20
-sub_0802BC20: @ 0x0802BC20
-	push {r4, lr}
-	adds r4, r0, #0
-	adds r0, #0x3f
-	ldrb r0, [r0]
-	cmp r0, #0x19
-	beq _0802BC4C
-	adds r0, r4, #0
-	bl sub_0806F520
-	cmp r0, #0
-	beq _0802BC6C
-	ldr r0, _0802BC48 @ =gUnk_080CD42C
-	ldrb r1, [r4, #0xd]
-	lsls r1, r1, #2
-	adds r1, r1, r0
-	ldr r1, [r1]
-	adds r0, r4, #0
-	bl _call_via_r1
-	b _0802BC6C
-	.align 2, 0
-_0802BC48: .4byte gUnk_080CD42C
-_0802BC4C:
-	ldrb r0, [r4, #0xd]
-	cmp r0, #2
-	bhi _0802BC5C
-	adds r0, r4, #0
-	bl sub_0806F520
-	cmp r0, #0
-	beq _0802BC6C
-_0802BC5C:
-	ldr r0, _0802BC70 @ =gUnk_080CD438
-	ldrb r1, [r4, #0xd]
-	lsls r1, r1, #2
-	adds r1, r1, r0
-	ldr r1, [r1]
-	adds r0, r4, #0
-	bl _call_via_r1
-_0802BC6C:
-	pop {r4, pc}
-	.align 2, 0
-_0802BC70: .4byte gUnk_080CD438
-
-	thumb_func_start sub_0802BC74
-sub_0802BC74: @ 0x0802BC74
-	push {r4, lr}
-	adds r4, r0, #0
-	bl sub_0802C1C0
-	movs r0, #1
-	strb r0, [r4, #0xd]
-	movs r0, #0x3c
-	strb r0, [r4, #0x1d]
-	ldr r0, _0802BC9C @ =gPlayerEntity
-	ldrb r0, [r0, #0x14]
-	lsrs r0, r0, #1
-	movs r1, #2
-	eors r0, r1
-	strb r0, [r4, #0x14]
-	ldrb r1, [r4, #0x14]
-	adds r0, r4, #0
-	bl InitializeAnimation
-	pop {r4, pc}
-	.align 2, 0
-_0802BC9C: .4byte gPlayerEntity
-
-	thumb_func_start sub_0802BCA0
-sub_0802BCA0: @ 0x0802BCA0
-	push {lr}
-	bl sub_0806F4E8
-	pop {pc}
-
-	thumb_func_start sub_0802BCA8
-sub_0802BCA8: @ 0x0802BCA8
-	push {r4, lr}
-	adds r4, r0, #0
-	adds r1, r4, #0
-	adds r1, #0x3f
-	ldrb r0, [r1]
-	cmp r0, #0x19
-	beq _0802BCFA
-	movs r0, #7
-	strb r0, [r4, #0xc]
-	movs r0, #0x5a
-	strb r0, [r4, #0xe]
-	movs r0, #0xc0
-	lsls r0, r0, #9
-	str r0, [r4, #0x20]
-	movs r0, #0x19
-	strb r0, [r1]
-	adds r2, r4, #0
-	adds r2, #0x3a
-	ldrb r1, [r2]
-	movs r0, #0xfb
-	ands r0, r1
-	strb r0, [r2]
-	movs r0, #0x12
-	strb r0, [r4, #0x1c]
-	movs r0, #0x20
-	movs r1, #1
-	bl CreateEnemy
-	adds r1, r0, #0
-	cmp r1, #0
-	beq _0802BCF0
-	ldrb r0, [r4, #0x14]
-	strb r0, [r1, #0x14]
-	adds r0, r4, #0
-	bl CopyPosition
-_0802BCF0:
-	ldrb r1, [r4, #0x14]
-	adds r1, #4
-	adds r0, r4, #0
-	bl InitializeAnimation
-_0802BCFA:
-	pop {r4, pc}
-
-	thumb_func_start sub_0802BCFC
-sub_0802BCFC: @ 0x0802BCFC
-	movs r1, #1
-	strb r1, [r0, #0xd]
-	movs r1, #0x3c
-	strb r1, [r0, #0x1d]
-	bx lr
-	.align 2, 0
-
-	thumb_func_start sub_0802BD08
-sub_0802BD08: @ 0x0802BD08
-	push {lr}
-	bl sub_0806F3E4
-	pop {pc}
-
-	thumb_func_start sub_0802BD10
-sub_0802BD10: @ 0x0802BD10
-	push {lr}
-	ldrb r2, [r0, #0x10]
-	movs r1, #0x7f
-	ands r1, r2
-	strb r1, [r0, #0x10]
-	movs r1, #2
-	bl UpdateAnimationVariableFrames
-	pop {pc}
-	.align 2, 0
-
-	thumb_func_start nullsub_145
-nullsub_145: @ 0x0802BD24
-	bx lr
-	.align 2, 0
-
-	thumb_func_start sub_0802BD28
-sub_0802BD28: @ 0x0802BD28
-	push {lr}
-	adds r2, r0, #0
-	ldrb r3, [r2, #0x10]
-	movs r0, #0x80
-	ands r0, r3
-	lsls r0, r0, #0x18
-	lsrs r1, r0, #0x18
-	cmp r1, #0
-	beq _0802BD4C
-	movs r0, #0x80
-	orrs r0, r3
-	strb r0, [r2, #0x10]
-	adds r2, #0x3a
-	ldrb r1, [r2]
-	movs r0, #0xfb
-	ands r0, r1
-	strb r0, [r2]
-	b _0802BD52
-_0802BD4C:
-	adds r0, r2, #0
-	adds r0, #0x45
-	strb r1, [r0]
-_0802BD52:
-	pop {pc}
-
-	thumb_func_start sub_0802BD54
-sub_0802BD54: @ 0x0802BD54
-	push {r4, lr}
-	adds r4, r0, #0
-	bl sub_0804A720
-	movs r0, #1
-	strb r0, [r4, #0xc]
-	bl Random
-	adds r1, r4, #0
-	adds r1, #0x78
-	strb r0, [r1]
-	movs r0, #0x3c
-	strb r0, [r4, #0x1d]
-	adds r1, #1
-	movs r0, #0xff
-	strb r0, [r1]
-	bl Random
-	movs r1, #0x18
-	ands r0, r1
-	strb r0, [r4, #0x15]
-	lsrs r0, r0, #3
-	strb r0, [r4, #0x14]
-	ldrb r1, [r4, #0x14]
-	adds r0, r4, #0
-	bl InitializeAnimation
-	pop {r4, pc}
-
-	thumb_func_start sub_0802BD8C
-sub_0802BD8C: @ 0x0802BD8C
-	push {r4, lr}
-	adds r4, r0, #0
-	ldrb r0, [r4, #0xe]
-	cmp r0, #0
-	beq _0802BD9C
-	subs r0, #1
-	strb r0, [r4, #0xe]
-	b _0802BDDE
-_0802BD9C:
-	adds r0, r4, #0
-	movs r1, #1
-	bl sub_08049FDC
-	cmp r0, #0
-	beq _0802BDCA
-	adds r0, r4, #0
-	movs r1, #1
-	movs r2, #0x10
-	bl sub_0804A024
-	adds r1, r0, #0
-	cmp r1, #0xff
-	beq _0802BDCA
-	adds r0, r4, #0
-	adds r0, #0x79
-	ldrb r0, [r0]
-	cmp r1, r0
-	beq _0802BDCA
-	adds r0, r4, #0
-	bl sub_0802C058
-	b _0802BDDE
-_0802BDCA:
-	adds r0, r4, #0
-	bl sub_0802C020
-	adds r1, r0, #0
-	ldrb r0, [r4, #0x15]
-	cmp r1, r0
-	beq _0802BDDE
-	adds r0, r4, #0
-	bl sub_0802C058
-_0802BDDE:
-	pop {r4, pc}
-
-	thumb_func_start sub_0802BDE0
-sub_0802BDE0: @ 0x0802BDE0
-	push {r4, lr}
-	adds r4, r0, #0
-	bl sub_0802C06C
-	cmp r0, #0
-	beq _0802BDFE
-	movs r0, #3
-	strb r0, [r4, #0xc]
-	movs r0, #0x3c
-	strb r0, [r4, #0xe]
-	adds r1, r4, #0
-	adds r1, #0x79
-	movs r0, #0xff
-	strb r0, [r1]
-	b _0802BE16
-_0802BDFE:
-	movs r0, #1
-	strb r0, [r4, #0xc]
-	bl Random
-	movs r1, #0xf
-	ands r0, r1
-	adds r0, #0xf
-	strb r0, [r4, #0xe]
-	ldrb r1, [r4, #0x15]
-	adds r0, r4, #0
-	adds r0, #0x79
-	strb r1, [r0]
-_0802BE16:
-	pop {r4, pc}
-
-	thumb_func_start sub_0802BE18
-sub_0802BE18: @ 0x0802BE18
-	push {r4, lr}
-	adds r4, r0, #0
-	movs r1, #2
-	bl UpdateAnimationVariableFrames
-	ldrb r0, [r4, #0xe]
-	subs r0, #1
-	strb r0, [r4, #0xe]
-	lsls r0, r0, #0x18
-	cmp r0, #0
-	bne _0802BE3E
-	movs r0, #4
-	strb r0, [r4, #0xc]
-	movs r0, #0x1e
-	strb r0, [r4, #0xe]
-	movs r0, #0xc0
-	lsls r0, r0, #2
-	strh r0, [r4, #0x24]
-	b _0802BE44
-_0802BE3E:
-	adds r0, r4, #0
-	bl sub_0802C18C
-_0802BE44:
-	pop {r4, pc}
-	.align 2, 0
-
-	thumb_func_start sub_0802BE48
-sub_0802BE48: @ 0x0802BE48
-	push {r4, lr}
-	adds r4, r0, #0
-	bl sub_080AEFE0
-	cmp r0, #0
-	bne _0802BE64
-	adds r0, r4, #0
-	bl sub_0802C218
-	movs r0, #8
-	movs r1, #0
-	bl sub_08080964
-	b _0802BE7E
-_0802BE64:
-	adds r0, r4, #0
-	bl GetNextFrame
-	adds r0, r4, #0
-	bl sub_0802C1CC
-	adds r0, r4, #0
-	bl sub_0802C0E8
-	cmp r0, #0
-	beq _0802BE7E
-	movs r0, #5
-	strb r0, [r4, #0xc]
-_0802BE7E:
-	pop {r4, pc}
-
-	thumb_func_start sub_0802BE80
-sub_0802BE80: @ 0x0802BE80
-	push {r4, lr}
-	adds r4, r0, #0
-	ldrh r0, [r4, #0x24]
-	subs r0, #0x20
-	strh r0, [r4, #0x24]
-	lsls r0, r0, #0x10
-	asrs r0, r0, #0x10
-	cmp r0, #0xff
-	ble _0802BE98
-	adds r0, r4, #0
-	bl sub_0802C1CC
-_0802BE98:
-	movs r1, #0x24
-	ldrsh r0, [r4, r1]
-	cmp r0, #0
-	ble _0802BEAE
-	adds r0, r4, #0
-	bl sub_080AEFE0
-	adds r0, r4, #0
-	bl sub_0802C18C
-	b _0802BEBA
-_0802BEAE:
-	adds r0, r4, #0
-	bl sub_0802C1C0
-	ldrb r0, [r4, #0xe]
-	adds r0, #0x1e
-	strb r0, [r4, #0xe]
-_0802BEBA:
-	pop {r4, pc}
-
-	thumb_func_start sub_0802BEBC
-sub_0802BEBC: @ 0x0802BEBC
-	push {r4, r5, lr}
-	adds r5, r0, #0
-	ldrb r0, [r5, #0x15]
-	movs r4, #0x10
-	eors r0, r4
-	strb r0, [r5, #0x15]
-	adds r0, r5, #0
-	bl sub_080AEFE0
-	ldrb r0, [r5, #0x15]
-	eors r0, r4
-	strb r0, [r5, #0x15]
-	movs r1, #0x80
-	lsls r1, r1, #6
-	adds r0, r5, #0
-	bl sub_080044EC
-	cmp r0, #0
-	bne _0802BEE8
-	adds r0, r5, #0
-	bl sub_0802C1C0
-_0802BEE8:
-	pop {r4, r5, pc}
-	.align 2, 0
-
-	thumb_func_start sub_0802BEEC
-sub_0802BEEC: @ 0x0802BEEC
-	push {r4, lr}
-	adds r4, r0, #0
-	ldrb r0, [r4, #0xe]
-	cmp r0, #0
-	beq _0802BF1E
-	subs r0, #1
-	strb r0, [r4, #0xe]
-	movs r1, #0xff
-	ands r0, r1
-	movs r1, #0x1f
-	ands r0, r1
-	cmp r0, #0
-	bne _0802BF3A
-	ldrb r0, [r4, #0x14]
-	movs r1, #2
-	eors r0, r1
-	strb r0, [r4, #0x14]
-	lsls r0, r0, #3
-	strb r0, [r4, #0x15]
-	ldrb r1, [r4, #0x14]
-	adds r1, #4
-	adds r0, r4, #0
-	bl InitializeAnimation
-	b _0802BF3A
-_0802BF1E:
-	movs r1, #0xe0
-	lsls r1, r1, #5
-	adds r0, r4, #0
-	bl sub_08003FC4
-	cmp r0, #0
-	bne _0802BF3A
-	movs r0, #8
-	strb r0, [r4, #0xc]
-	movs r0, #0x1e
-	strb r0, [r4, #0xe]
-	movs r0, #0x90
-	lsls r0, r0, #1
-	strh r0, [r4, #0x24]
-_0802BF3A:
-	pop {r4, pc}
-
-	thumb_func_start sub_0802BF3C
-sub_0802BF3C: @ 0x0802BF3C
-	push {r4, lr}
-	adds r4, r0, #0
-	bl ProcessMovement
-	adds r0, r4, #0
-	bl GetNextFrame
-	ldrb r0, [r4, #0xe]
-	subs r0, #1
-	strb r0, [r4, #0xe]
-	lsls r0, r0, #0x18
-	cmp r0, #0
-	bne _0802BF76
-	movs r0, #0x1e
-	strb r0, [r4, #0xe]
-	adds r0, r4, #0
-	bl sub_0802C020
-	strb r0, [r4, #0x15]
-	lsls r0, r0, #0x18
-	lsrs r0, r0, #0x1b
-	ldrb r1, [r4, #0x14]
-	cmp r0, r1
-	beq _0802BF76
-	strb r0, [r4, #0x14]
-	adds r1, r0, #4
-	adds r0, r4, #0
-	bl InitializeAnimation
-_0802BF76:
-	pop {r4, pc}
-
-	thumb_func_start sub_0802BF78
-sub_0802BF78: @ 0x0802BF78
-	push {lr}
-	movs r2, #1
-	strb r2, [r0, #0xc]
-	adds r3, r0, #0
-	adds r3, #0x3b
-	movs r1, #4
-	strb r1, [r3]
-	strb r2, [r0, #0x1c]
-	ldrb r1, [r0, #0x14]
-	lsls r1, r1, #3
-	strb r1, [r0, #0x15]
-	ldrb r1, [r0, #0x14]
-	adds r1, #8
-	bl InitializeAnimation
-	pop {pc}
-
-	thumb_func_start sub_0802BF98
-sub_0802BF98: @ 0x0802BF98
-	push {r4, lr}
-	adds r4, r0, #0
-	bl sub_0806F520
-	cmp r0, #0
-	beq _0802BFBC
-	ldr r0, _0802BFB8 @ =gUnk_080CD450
-	ldrb r1, [r4, #0xd]
-	lsls r1, r1, #2
-	adds r1, r1, r0
-	ldr r1, [r1]
-	adds r0, r4, #0
-	bl _call_via_r1
-	b _0802BFCC
-	.align 2, 0
-_0802BFB8: .4byte gUnk_080CD450
-_0802BFBC:
-	movs r0, #2
-	strb r0, [r4, #0xc]
-	movs r0, #0x1e
-	strb r0, [r4, #0xe]
-	ldrb r1, [r4, #0x10]
-	movs r0, #0x7f
-	ands r0, r1
-	strb r0, [r4, #0x10]
-_0802BFCC:
-	pop {r4, pc}
-	.align 2, 0
-
-	thumb_func_start sub_0802BFD0
-sub_0802BFD0: @ 0x0802BFD0
-	movs r1, #2
-	strb r1, [r0, #0xd]
-	bx lr
-	.align 2, 0
-
-	thumb_func_start sub_0802BFD8
-sub_0802BFD8: @ 0x0802BFD8
-	push {lr}
-	bl sub_0806F4E8
-	pop {pc}
-
-	thumb_func_start sub_0802BFE0
-sub_0802BFE0: @ 0x0802BFE0
-	push {r4, lr}
-	adds r4, r0, #0
-	bl sub_0806F3E4
-	cmp r0, #0
-	beq _0802BFF2
-	adds r0, r4, #0
-	bl DeleteEntity
-_0802BFF2:
-	pop {r4, pc}
-
-	thumb_func_start sub_0802BFF4
-sub_0802BFF4: @ 0x0802BFF4
-	push {lr}
-	adds r3, r0, #0
-	ldrb r2, [r3, #0x18]
-	lsls r1, r2, #0x1e
-	lsrs r1, r1, #0x1e
-	movs r0, #1
-	eors r1, r0
-	subs r0, #5
-	ands r0, r2
-	orrs r0, r1
-	strb r0, [r3, #0x18]
-	ldrb r0, [r3, #0xe]
-	subs r0, #1
-	strb r0, [r3, #0xe]
-	lsls r0, r0, #0x18
-	cmp r0, #0
-	bne _0802C01C
-	adds r0, r3, #0
-	bl DeleteEntity
-_0802C01C:
-	pop {pc}
-	.align 2, 0
-
-	thumb_func_start sub_0802C020
-sub_0802C020: @ 0x0802C020
-	push {r4, r5, r6, lr}
-	adds r5, r0, #0
-	bl Random
-	adds r4, r0, #0
-	adds r0, r5, #0
-	bl sub_08049FA0
-	cmp r0, #0
-	bne _0802C03E
-	movs r6, #1
-	adds r0, r4, #0
-	ands r0, r6
-	cmp r0, #0
-	beq _0802C044
-_0802C03E:
-	movs r0, #0x18
-	ands r0, r4
-	b _0802C056
-_0802C044:
-	adds r0, r5, #0
-	bl sub_08049EE4
-	lsrs r1, r4, #0x10
-	ands r1, r6
-	lsls r1, r1, #2
-	adds r0, r0, r1
-	movs r1, #0x18
-	ands r0, r1
-_0802C056:
-	pop {r4, r5, r6, pc}
-
-	thumb_func_start sub_0802C058
-sub_0802C058: @ 0x0802C058
-	push {lr}
-	movs r2, #2
-	strb r2, [r0, #0xc]
-	strb r1, [r0, #0x15]
-	lsrs r1, r1, #3
-	strb r1, [r0, #0x14]
-	ldrb r1, [r0, #0x14]
-	bl InitializeAnimation
-	pop {pc}
-
-	thumb_func_start sub_0802C06C
-sub_0802C06C: @ 0x0802C06C
-	push {r4, r5, r6, r7, lr}
-	mov r7, sb
-	mov r6, r8
-	push {r6, r7}
-	movs r1, #0x2e
-	ldrsh r2, [r0, r1]
-	ldr r3, [r0, #0x48]
-	movs r1, #0
-	ldrsb r1, [r3, r1]
-	adds r6, r2, r1
-	movs r1, #0x32
-	ldrsh r2, [r0, r1]
-	movs r1, #1
-	ldrsb r1, [r3, r1]
-	adds r5, r2, r1
-	ldr r3, _0802C0CC @ =gUnk_080CD45C
-	ldrb r1, [r0, #0x15]
-	lsrs r1, r1, #2
-	adds r2, r1, r3
-	ldrb r2, [r2]
-	lsls r2, r2, #0x18
-	asrs r2, r2, #0x18
-	mov sb, r2
-	adds r1, #1
-	adds r1, r1, r3
-	ldrb r1, [r1]
-	lsls r1, r1, #0x18
-	asrs r1, r1, #0x18
-	mov r8, r1
-	adds r0, #0x38
-	ldrb r0, [r0]
-	ldr r7, _0802C0D0 @ =gUnk_02027EB4
-	cmp r0, #2
-	bne _0802C0B2
-	ldr r7, _0802C0D4 @ =gUnk_0200D654
-_0802C0B2:
-	movs r4, #0
-_0802C0B4:
-	add r6, sb
-	add r5, r8
-	adds r0, r7, #0
-	adds r1, r6, #0
-	adds r2, r5, #0
-	movs r3, #0
-	bl sub_080AE4CC
-	cmp r0, #0
-	beq _0802C0D8
-	movs r0, #0
-	b _0802C0E0
-	.align 2, 0
-_0802C0CC: .4byte gUnk_080CD45C
-_0802C0D0: .4byte gUnk_02027EB4
-_0802C0D4: .4byte gUnk_0200D654
-_0802C0D8:
-	adds r4, #1
-	cmp r4, #7
-	bls _0802C0B4
-	movs r0, #1
-_0802C0E0:
-	pop {r3, r4}
-	mov r8, r3
-	mov sb, r4
-	pop {r4, r5, r6, r7, pc}
-
-	thumb_func_start sub_0802C0E8
-sub_0802C0E8: @ 0x0802C0E8
-	push {r4, r5, r6, r7, lr}
-	adds r5, r0, #0
-	ldrb r0, [r5, #0xe]
-	subs r0, #1
-	strb r0, [r5, #0xe]
-	lsls r0, r0, #0x18
-	cmp r0, #0
-	bne _0802C0FC
-	movs r0, #1
-	b _0802C178
-_0802C0FC:
-	ldrb r3, [r5, #0x15]
-	lsrs r3, r3, #2
-	ldr r0, _0802C17C @ =gUnk_080CD45C
-	adds r3, r3, r0
-	movs r0, #0x2e
-	ldrsh r2, [r5, r0]
-	ldr r4, [r5, #0x48]
-	movs r0, #0
-	ldrsb r0, [r4, r0]
-	adds r2, r2, r0
-	movs r1, #0
-	ldrsb r1, [r3, r1]
-	lsls r0, r1, #1
-	adds r0, r0, r1
-	lsls r0, r0, #1
-	adds r6, r2, r0
-	movs r0, #0x32
-	ldrsh r2, [r5, r0]
-	movs r0, #1
-	ldrsb r0, [r4, r0]
-	adds r2, r2, r0
-	movs r1, #1
-	ldrsb r1, [r3, r1]
-	lsls r0, r1, #1
-	adds r0, r0, r1
-	lsls r0, r0, #1
-	adds r4, r2, r0
-	adds r0, r5, #0
-	adds r0, #0x38
-	ldrb r0, [r0]
-	ldr r7, _0802C180 @ =gUnk_02027EB4
-	cmp r0, #2
-	bne _0802C140
-	ldr r7, _0802C184 @ =gUnk_0200D654
-_0802C140:
-	movs r5, #0
-	ldr r1, _0802C188 @ =gRoomControls
-	ldrh r0, [r1, #6]
-	subs r0, r6, r0
-	asrs r0, r0, #4
-	movs r2, #0x3f
-	ands r0, r2
-	ldrh r1, [r1, #8]
-	subs r1, r4, r1
-	asrs r1, r1, #4
-	ands r1, r2
-	lsls r1, r1, #6
-	orrs r0, r1
-	movs r1, #9
-	bl sub_0806FC24
-	cmp r0, #0
-	bne _0802C176
-	adds r0, r7, #0
-	adds r1, r6, #0
-	adds r2, r4, #0
-	movs r3, #0
-	bl sub_080AE4CC
-	rsbs r1, r0, #0
-	orrs r1, r0
-	lsrs r5, r1, #0x1f
-_0802C176:
-	adds r0, r5, #0
-_0802C178:
-	pop {r4, r5, r6, r7, pc}
-	.align 2, 0
-_0802C17C: .4byte gUnk_080CD45C
-_0802C180: .4byte gUnk_02027EB4
-_0802C184: .4byte gUnk_0200D654
-_0802C188: .4byte gRoomControls
-
-	thumb_func_start sub_0802C18C
-sub_0802C18C: @ 0x0802C18C
-	push {r4, lr}
-	adds r4, r0, #0
-	adds r0, #0x78
-	ldrb r1, [r0]
-	subs r1, #1
-	strb r1, [r0]
-	movs r0, #7
-	ands r1, r0
-	cmp r1, #0
-	bne _0802C1BC
-	movs r0, #0xf
-	movs r1, #0x11
-	movs r2, #0x40
-	bl CreateObject
-	adds r1, r0, #0
-	cmp r1, #0
-	beq _0802C1BC
-	movs r3, #0x80
-	lsls r3, r3, #9
-	adds r0, r4, #0
-	movs r2, #0
-	bl PositionRelative
-_0802C1BC:
-	pop {r4, pc}
-	.align 2, 0
-
-	thumb_func_start sub_0802C1C0
-sub_0802C1C0: @ 0x0802C1C0
-	movs r1, #1
-	strb r1, [r0, #0xc]
-	movs r1, #0x1e
-	strb r1, [r0, #0xe]
-	bx lr
-	.align 2, 0
-
-	thumb_func_start sub_0802C1CC
-sub_0802C1CC: @ 0x0802C1CC
-	push {r4, r5, lr}
-	adds r5, r0, #0
-	ldrb r4, [r5, #0x14]
-	lsls r4, r4, #2
-	ldr r0, _0802C214 @ =gUnk_080CD464
-	adds r4, r4, r0
-	movs r0, #0x2e
-	ldrsh r2, [r5, r0]
-	movs r0, #0
-	ldrsb r0, [r4, r0]
-	adds r2, r2, r0
-	movs r0, #0x32
-	ldrsh r3, [r5, r0]
-	movs r0, #1
-	ldrsb r0, [r4, r0]
-	adds r3, r3, r0
-	adds r0, r5, #0
-	movs r1, #9
-	bl sub_08008796
-	movs r0, #0x2e
-	ldrsh r2, [r5, r0]
-	movs r0, #2
-	ldrsb r0, [r4, r0]
-	adds r2, r2, r0
-	movs r0, #0x32
-	ldrsh r3, [r5, r0]
-	movs r0, #3
-	ldrsb r0, [r4, r0]
-	adds r3, r3, r0
-	adds r0, r5, #0
-	movs r1, #9
-	bl sub_08008796
-	pop {r4, r5, pc}
-	.align 2, 0
-_0802C214: .4byte gUnk_080CD464
-
-	thumb_func_start sub_0802C218
-sub_0802C218: @ 0x0802C218
-	movs r1, #6
-	strb r1, [r0, #0xc]
-	movs r1, #0xe0
-	strh r1, [r0, #0x24]
-	movs r1, #0xc0
-	lsls r1, r1, #9
-	str r1, [r0, #0x20]
-	bx lr
diff --git a/asm/non_matching/helmasaur/sub_0802BD8C.inc b/asm/non_matching/helmasaur/sub_0802BD8C.inc
new file mode 100644
index 00000000..3e53e7d0
--- /dev/null
+++ b/asm/non_matching/helmasaur/sub_0802BD8C.inc
@@ -0,0 +1,47 @@
+
+	.syntax unified
+
+	.text
+
+	push {r4, lr}
+	adds r4, r0, #0
+	ldrb r0, [r4, #0xe]
+	cmp r0, #0
+	beq _0802BD9C
+	subs r0, #1
+	strb r0, [r4, #0xe]
+	b _0802BDDE
+_0802BD9C:
+	adds r0, r4, #0
+	movs r1, #1
+	bl sub_08049FDC
+	cmp r0, #0
+	beq _0802BDCA
+	adds r0, r4, #0
+	movs r1, #1
+	movs r2, #0x10
+	bl sub_0804A024
+	adds r1, r0, #0
+	cmp r1, #0xff
+	beq _0802BDCA
+	adds r0, r4, #0
+	adds r0, #0x79
+	ldrb r0, [r0]
+	cmp r1, r0
+	beq _0802BDCA
+	adds r0, r4, #0
+	bl sub_0802C058
+	b _0802BDDE
+_0802BDCA:
+	adds r0, r4, #0
+	bl sub_0802C020
+	adds r1, r0, #0
+	ldrb r0, [r4, #0x15]
+	cmp r1, r0
+	beq _0802BDDE
+	adds r0, r4, #0
+	bl sub_0802C058
+_0802BDDE:
+	pop {r4, pc}
+
+	.syntax divided
diff --git a/data/animations/helmasaur.s b/data/animations/helmasaur.s
new file mode 100644
index 00000000..793c8a7a
--- /dev/null
+++ b/data/animations/helmasaur.s
@@ -0,0 +1,43 @@
+	.include "asm/macros.inc"
+	.include "constants/constants.inc"
+
+	.section .rodata
+
+gUnk_080CD474:: @ 080CD474
+	.incbin "baserom.gba", 0x0CD474, 0x0000011
+
+gUnk_080CD485:: @ 080CD485
+	.incbin "baserom.gba", 0x0CD485, 0x0000011
+
+gUnk_080CD496:: @ 080CD496
+	.incbin "baserom.gba", 0x0CD496, 0x0000011
+
+gUnk_080CD4A7:: @ 080CD4A7
+	.incbin "baserom.gba", 0x0CD4A7, 0x0000011
+
+gUnk_080CD4B8:: @ 080CD4B8
+	.incbin "baserom.gba", 0x0CD4B8, 0x0000011
+
+gUnk_080CD4C9:: @ 080CD4C9
+	.incbin "baserom.gba", 0x0CD4C9, 0x0000011
+
+gUnk_080CD4DA:: @ 080CD4DA
+	.incbin "baserom.gba", 0x0CD4DA, 0x0000011
+
+gUnk_080CD4EB:: @ 080CD4EB
+	.incbin "baserom.gba", 0x0CD4EB, 0x0000011
+
+gUnk_080CD4FC:: @ 080CD4FC
+	.incbin "baserom.gba", 0x0CD4FC, 0x0000004
+
+gUnk_080CD500:: @ 080CD500
+	.incbin "baserom.gba", 0x0CD500, 0x0000004
+
+gUnk_080CD504:: @ 080CD504
+	.incbin "baserom.gba", 0x0CD504, 0x0000004
+
+gUnk_080CD508:: @ 080CD508
+	.incbin "baserom.gba", 0x0CD508, 0x0000004
+
+gUnk_080CD50C:: @ 080CD50C
+	.incbin "baserom.gba", 0x0CD50C, 0x0000034
diff --git a/data/data_080CC6FC.s b/data/data_080CC6FC.s
index aea078bc..68a0c8f3 100644
--- a/data/data_080CC6FC.s
+++ b/data/data_080CC6FC.s
@@ -3,69 +3,6 @@
 
 	.section .rodata
 
-gUnk_080CD3E4:: @ 080CD3E4
-	.incbin "baserom.gba", 0x0CD3E4, 0x0000018
-
-gUnk_080CD3FC:: @ 080CD3FC
-	.incbin "baserom.gba", 0x0CD3FC, 0x000000C
-
-gUnk_080CD408:: @ 080CD408
-	.incbin "baserom.gba", 0x0CD408, 0x0000024
-
-gUnk_080CD42C:: @ 080CD42C
-	.incbin "baserom.gba", 0x0CD42C, 0x000000C
-
-gUnk_080CD438:: @ 080CD438
-	.incbin "baserom.gba", 0x0CD438, 0x0000018
-
-gUnk_080CD450:: @ 080CD450
-	.incbin "baserom.gba", 0x0CD450, 0x000000C
-
-gUnk_080CD45C:: @ 080CD45C
-	.incbin "baserom.gba", 0x0CD45C, 0x0000008
-
-gUnk_080CD464:: @ 080CD464
-	.incbin "baserom.gba", 0x0CD464, 0x0000010
-
-gUnk_080CD474:: @ 080CD474
-	.incbin "baserom.gba", 0x0CD474, 0x0000011
-
-gUnk_080CD485:: @ 080CD485
-	.incbin "baserom.gba", 0x0CD485, 0x0000011
-
-gUnk_080CD496:: @ 080CD496
-	.incbin "baserom.gba", 0x0CD496, 0x0000011
-
-gUnk_080CD4A7:: @ 080CD4A7
-	.incbin "baserom.gba", 0x0CD4A7, 0x0000011
-
-gUnk_080CD4B8:: @ 080CD4B8
-	.incbin "baserom.gba", 0x0CD4B8, 0x0000011
-
-gUnk_080CD4C9:: @ 080CD4C9
-	.incbin "baserom.gba", 0x0CD4C9, 0x0000011
-
-gUnk_080CD4DA:: @ 080CD4DA
-	.incbin "baserom.gba", 0x0CD4DA, 0x0000011
-
-gUnk_080CD4EB:: @ 080CD4EB
-	.incbin "baserom.gba", 0x0CD4EB, 0x0000011
-
-gUnk_080CD4FC:: @ 080CD4FC
-	.incbin "baserom.gba", 0x0CD4FC, 0x0000004
-
-gUnk_080CD500:: @ 080CD500
-	.incbin "baserom.gba", 0x0CD500, 0x0000004
-
-gUnk_080CD504:: @ 080CD504
-	.incbin "baserom.gba", 0x0CD504, 0x0000004
-
-gUnk_080CD508:: @ 080CD508
-	.incbin "baserom.gba", 0x0CD508, 0x0000004
-
-gUnk_080CD50C:: @ 080CD50C
-	.incbin "baserom.gba", 0x0CD50C, 0x0000034
-
 gUnk_080CD540:: @ 080CD540
 	.incbin "baserom.gba", 0x0CD540, 0x0000018
 
diff --git a/include/entity.h b/include/entity.h
index 5a0a7665..fe662b65 100644
--- a/include/entity.h
+++ b/include/entity.h
@@ -138,13 +138,15 @@ typedef struct Entity {
     /*0x86*/ union SplitHWord field_0x86;
 } Entity;
 
-#define COORD_TO_TILE(entity)                                           \
-    ((((entity->x.HALF.HI - gRoomControls.roomOriginX) >> 4) & 0x3fU) | \
-     (((entity->y.HALF.HI - gRoomControls.roomOriginY) >> 4) & 0x3fU) << 6)
+#define TILE(x, y)                                      \
+    ((((x - gRoomControls.roomOriginX) >> 4) & 0x3fU) | \
+     (((y - gRoomControls.roomOriginY) >> 4) & 0x3fU) << 6)
 
-#define COORD_TO_TILE_OFFSET(entity, xOff, yOff)                               \
-    ((((entity->x.HALF.HI - xOff - gRoomControls.roomOriginX) >> 4) & 0x3fU) | \
-     (((entity->y.HALF.HI - yOff - gRoomControls.roomOriginY) >> 4) & 0x3fU) << 6)
+#define COORD_TO_TILE(entity) \
+    TILE(entity->x.HALF.HI, entity->y.HALF.HI)
+
+#define COORD_TO_TILE_OFFSET(entity, xOff, yOff) \
+    TILE(entity->x.HALF.HI - xOff, entity->y.HALF.HI - yOff)
 
 extern Entity* CreateEnemy(u32 subtype, u32 form);
 extern Entity* CreateObject(u32 subtype, u32 form, u32 parameter);
diff --git a/linker.ld b/linker.ld
index 4b4ef3a2..4f3fe8b3 100644
--- a/linker.ld
+++ b/linker.ld
@@ -357,7 +357,7 @@ SECTIONS {
 		src/enemy/chaser.o(.text);
 		src/enemy/spikedBeetle.o(.text);
 		src/enemy/sensorBladeTrap.o(.text);
-		asm/helmasaur.o(.text);
+		src/enemy/helmasaur.o(.text);
 		asm/fallingBoulder.o(.text);
 		asm/bobomb.o(.text);
 		asm/wallMaster2.o(.text);
@@ -965,6 +965,8 @@ SECTIONS {
 		src/enemy/spikedBeetle.o(.rodata);
 		data/animations/spikedBeetle.o(.rodata);
 		src/enemy/sensorBladeTrap.o(.rodata);
+		src/enemy/helmasaur.o(.rodata);
+		data/animations/helmasaur.o(.rodata);
 		data/data_080CC6FC.o(.rodata);
 		src/enemy.o(.rodata);
 		data/data_080D3D94.o(.rodata);
diff --git a/src/enemy/helmasaur.c b/src/enemy/helmasaur.c
new file mode 100644
index 00000000..645924dc
--- /dev/null
+++ b/src/enemy/helmasaur.c
@@ -0,0 +1,436 @@
+#include "enemy.h"
+#include "functions.h"
+
+extern void sub_08008796(Entity*, u32, u32, u32);
+extern u32 sub_0804A024(Entity*, u32, u32);
+extern bool32 sub_080AE4CC(Entity*, u32, u32, u32);
+
+extern Entity gUnk_0200D654;
+extern Entity gUnk_02027EB4;
+
+void sub_0802C18C(Entity*);
+void sub_0802C218(Entity*);
+void sub_0802C1C0(Entity*);
+u32 sub_0802C020(Entity*);
+void sub_0802C058(Entity*, u32);
+bool32 sub_0802C06C(Entity*);
+void sub_08080964(u32, u32);
+void sub_0802C1CC(Entity*);
+bool32 sub_0802C0E8(Entity*);
+
+extern void (*const gUnk_080CD3E4[])(Entity*);
+extern void (*const gUnk_080CD3FC[])(Entity*);
+extern void (*const gUnk_080CD408[])(Entity*);
+extern void (*const gUnk_080CD42C[])(Entity*);
+extern void (*const gUnk_080CD438[])(Entity*);
+extern void (*const gUnk_080CD450[])(Entity*);
+extern const s8 gUnk_080CD45C[];
+extern const s8 gUnk_080CD464[];
+
+void Helmasaur(Entity* this) {
+    if (this->entityType.form == 0) {
+        EnemyFunctionHandler(this, gUnk_080CD3E4);
+        SetChildOffset(this, 0, 1, -0x10);
+    } else {
+        gUnk_080CD3FC[this->action](this);
+    }
+}
+
+void sub_0802BBAC(Entity* this) {
+    gUnk_080CD408[this->action](this);
+}
+
+void sub_0802BBC4(Entity* this) {
+    if (this->damageType != 0x19) {
+        switch (this->bitfield & 0x7f) {
+            case 0:
+            case 2:
+            case 3:
+                if (this->action == 4) {
+                    this->field_0x42 = 0;
+                    sub_0802C218(this);
+                }
+                break;
+        }
+    }
+    if (this->field_0x43 != 0) {
+        sub_0804A9FC(this, 0x1c);
+    }
+
+    sub_0804AA30(this, gUnk_080CD3E4);
+}
+
+void sub_0802BC20(Entity* this) {
+    if (this->damageType != 0x19) {
+        if (sub_0806F520(this)) {
+            gUnk_080CD42C[this->previousActionFlag](this);
+        }
+    } else if (2 < this->previousActionFlag || sub_0806F520(this)) {
+        gUnk_080CD438[this->previousActionFlag](this);
+    }
+}
+
+void sub_0802BC74(Entity* this) {
+    sub_0802C1C0(this);
+    this->previousActionFlag = 1;
+    this->field_0x1d = 60;
+    this->animationState = (gPlayerEntity.animationState >> 1) ^ 2;
+    InitializeAnimation(this, this->animationState);
+}
+
+void sub_0802BCA0(Entity* this) {
+    sub_0806F4E8(this);
+}
+
+void sub_0802BCA8(Entity* this) {
+    if (this->damageType != 0x19) {
+        Entity* ent;
+
+        this->action = 7;
+        this->actionDelay = 0x5a;
+        this->field_0x20 = 0x18000;
+        this->damageType = 0x19;
+        this->field_0x3a = this->field_0x3a & 0xfb;
+        this->field_0x1c = 0x12;
+        ent = CreateEnemy(0x20, 1);
+        if (ent) {
+            ent->animationState = this->animationState;
+            CopyPosition(this, ent);
+        }
+        InitializeAnimation(this, this->animationState + 4);
+    }
+}
+
+void sub_0802BCFC(Entity* this) {
+    this->previousActionFlag = 1;
+    this->field_0x1d = 60;
+}
+
+void sub_0802BD08(Entity* this) {
+    sub_0806F3E4(this);
+}
+
+void sub_0802BD10(Entity* this) {
+    this->flags &= ~0x80;
+    UpdateAnimationVariableFrames(this, 2);
+}
+
+void nullsub_145(Entity* this) {
+    /* ... */
+}
+
+void sub_0802BD28(Entity* this) {
+    if (this->flags & 0x80) {
+        this->flags |= 0x80;
+        this->field_0x3a &= ~0x4;
+    } else {
+        this->currentHealth = 0;
+    }
+}
+
+void sub_0802BD54(Entity* this) {
+    sub_0804A720(this);
+    this->action = 1;
+    this->field_0x78.HALF.LO = Random();
+    this->field_0x1d = 60;
+    this->field_0x78.HALF.HI = 0xff;
+    this->direction = DirectionRound(Random());
+    this->animationState = this->direction >> 3;
+    InitializeAnimation(this, this->animationState);
+}
+
+void sub_0802BD8C(Entity* this) {
+    if (this->actionDelay) {
+        this->actionDelay--;
+    } else {
+        u32 direction;
+
+        if (sub_08049FDC(this, 1)) {
+            direction = sub_0804A024(this, 1, 0x10);
+            if (direction != 0xff && direction != this->field_0x78.HALF.HI) {
+                sub_0802C058(this, direction);
+                return;
+            }
+        }
+
+        direction = sub_0802C020(this);
+        if (direction != this->direction) {
+            sub_0802C058(this, direction);
+        }
+    }
+}
+
+void sub_0802BDE0(Entity* this) {
+    if (sub_0802C06C(this)) {
+        this->action = 3;
+        this->actionDelay = 60;
+        this->field_0x78.HALF.HI = 0xff;
+    } else {
+        this->action = 1;
+        this->actionDelay = (Random() & 0xf) + 0xf;
+        this->field_0x78.HALF.HI = this->direction;
+    }
+}
+
+void sub_0802BE18(Entity* this) {
+    UpdateAnimationVariableFrames(this, 2);
+    if (--this->actionDelay == 0) {
+        this->action = 4;
+        this->actionDelay = 0x1e;
+        this->nonPlanarMovement = 0x300;
+    } else {
+        sub_0802C18C(this);
+    }
+}
+
+void sub_0802BE48(Entity* this) {
+    if (!sub_080AEFE0(this)) {
+        sub_0802C218(this);
+        sub_08080964(8, 0);
+    } else {
+        GetNextFrame(this);
+        sub_0802C1CC(this);
+        if (sub_0802C0E8(this)) {
+            this->action = 5;
+        }
+    }
+}
+
+void sub_0802BE80(Entity* this) {
+    this->nonPlanarMovement -= 0x20;
+    if (0xff < this->nonPlanarMovement) {
+        sub_0802C1CC(this);
+    }
+
+    if (this->nonPlanarMovement > 0) {
+        sub_080AEFE0(this);
+        sub_0802C18C(this);
+    } else {
+        sub_0802C1C0(this);
+        this->actionDelay += 30;
+    }
+}
+
+void sub_0802BEBC(Entity* this) {
+    this->direction ^= 0x10;
+    sub_080AEFE0(this);
+    this->direction ^= 0x10;
+    if (!sub_080044EC(this, 0x2000)) {
+        sub_0802C1C0(this);
+    }
+}
+
+void sub_0802BEEC(Entity* this) {
+    if (this->actionDelay) {
+        if ((--this->actionDelay & 0x1f) == 0) {
+            this->animationState ^= 2;
+            this->direction = this->animationState << 3;
+            InitializeAnimation(this, this->animationState + 4);
+        }
+    } else if (!sub_08003FC4(this, 0x1c00)) {
+        this->action = 8;
+        this->actionDelay = 30;
+        this->nonPlanarMovement = 0x120;
+    }
+}
+
+void sub_0802BF3C(Entity* this) {
+    ProcessMovement(this);
+    GetNextFrame(this);
+    if (--this->actionDelay == 0) {
+        u32 sprite;
+
+        this->actionDelay = 30;
+        this->direction = sub_0802C020(this);
+        sprite = this->direction >> 3;
+        if (sprite != this->animationState) {
+            this->animationState = sprite;
+            InitializeAnimation(this, sprite + 4);
+        }
+    }
+}
+
+void sub_0802BF78(Entity* this) {
+    this->action = 1;
+    this->flags2 = 4;
+    this->field_0x1c = 1;
+    this->direction = this->animationState << 3;
+    InitializeAnimation(this, this->animationState + 8);
+}
+
+void sub_0802BF98(Entity* this) {
+    if (sub_0806F520(this)) {
+        gUnk_080CD450[this->previousActionFlag](this);
+    } else {
+        this->action = 2;
+        this->actionDelay = 30;
+        this->flags &= ~0x80;
+    }
+}
+
+void sub_0802BFD0(Entity* this) {
+    this->previousActionFlag = 2;
+}
+
+void sub_0802BFD8(Entity* this) {
+    sub_0806F4E8(this);
+}
+
+void sub_0802BFE0(Entity* this) {
+    if (sub_0806F3E4(this)) {
+        DeleteEntity(this);
+    }
+}
+
+void sub_0802BFF4(Entity* this) {
+    this->spriteSettings.b.draw ^= 1;
+    if (--this->actionDelay == 0) {
+        DeleteEntity(this);
+    }
+}
+
+u32 sub_0802C020(Entity* this) {
+    u32 uVar1 = Random();
+
+    if (sub_08049FA0(this) || (uVar1 & 1))
+        return DirectionRound(uVar1);
+
+    return (sub_08049EE4(this) + (uVar1 >> 0x10 & 1) * 4) & 0x18;
+}
+
+void sub_0802C058(Entity* this, u32 param_2) {
+    this->action = 2;
+    this->direction = param_2;
+    this->animationState = param_2 >> 3;
+    InitializeAnimation(this, this->animationState);
+}
+
+bool32 sub_0802C06C(Entity* this) {
+    u32 x = this->x.HALF.HI + (s8)this->boundingBox->unknown[0];
+    u32 y = this->y.HALF.HI + (s8)this->boundingBox->unknown[1];
+    u32 xdiff = gUnk_080CD45C[(this->direction >> 2) + 0];
+    u32 ydiff = gUnk_080CD45C[(this->direction >> 2) + 1];
+
+    Entity* ent = this->collisionLayer == 2 ? &gUnk_0200D654 : &gUnk_02027EB4;
+
+    u32 i;
+    for (i = 0; i < 8; i++) {
+        x += xdiff;
+        y += ydiff;
+        if (sub_080AE4CC(ent, x, y, 0))
+            return FALSE;
+    }
+
+    return TRUE;
+}
+
+bool32 sub_0806FC24(u32, u32);
+
+bool32 sub_0802C0E8(Entity* this) {
+    if (--this->actionDelay == 0) {
+        return TRUE;
+    } else {
+        const s8* ptr = &gUnk_080CD45C[this->direction >> 2];
+        s32 x = this->x.HALF.HI + (s8)this->boundingBox->unknown[0] + ptr[0] * 6;
+        s32 y = this->y.HALF.HI + (s8)this->boundingBox->unknown[1] + ptr[1] * 6;
+
+        Entity* ent = this->collisionLayer == 2 ? &gUnk_0200D654 : &gUnk_02027EB4;
+        u32 ret = FALSE;
+        if (!sub_0806FC24(TILE(x, y), 9)) {
+            u32 tmp = sub_080AE4CC(ent, x, y, 0);
+            ret = (-tmp | tmp) >> 0x1f;
+        }
+        return ret;
+    }
+}
+
+void sub_0802C18C(Entity* this) {
+    this->field_0x78.HALF.LO--;
+    if ((this->field_0x78.HALF.LO & 7) == 0) {
+        Entity* ent = CreateObject(0xf, 0x11, 0x40);
+        if (ent) {
+            PositionRelative(this, ent, 0, 0x10000);
+        }
+    }
+}
+
+void sub_0802C1C0(Entity* this) {
+    this->action = 1;
+    this->actionDelay = 30;
+}
+
+void sub_0802C1CC(Entity* this) {
+    const s8* ptr = &gUnk_080CD464[this->animationState << 2];
+    sub_08008796(this, 9, this->x.HALF.HI + ptr[0], this->y.HALF.HI + ptr[1]);
+    sub_08008796(this, 9, this->x.HALF.HI + ptr[2], this->y.HALF.HI + ptr[3]);
+}
+
+void sub_0802C218(Entity* this) {
+    this->action = 6;
+    this->nonPlanarMovement = 0xe0;
+    this->field_0x20 = 0x18000;
+}
+
+// clang-format off
+void (*const gUnk_080CD3E4[])(Entity*) = {
+    sub_0802BBAC,
+    sub_0802BBC4,
+    sub_08001324,
+    sub_0804A7D4,
+    sub_08001242,
+    sub_0802BC20,
+};
+
+void (*const gUnk_080CD3FC[])(Entity*) = {
+    sub_0802BF78,
+    sub_0802BF98,
+    sub_0802BFF4,
+};
+
+void (*const gUnk_080CD408[])(Entity*) = {
+    sub_0802BD54,
+    sub_0802BD8C,
+    sub_0802BDE0,
+    sub_0802BE18,
+    sub_0802BE48,
+    sub_0802BE80,
+    sub_0802BEBC,
+    sub_0802BEEC,
+    sub_0802BF3C,
+};
+
+void (*const gUnk_080CD42C[])(Entity*) = {
+    sub_0802BC74,
+    sub_0802BCA0,
+    sub_0802BCA8,
+};
+
+void (*const gUnk_080CD438[])(Entity*) = {
+    sub_0802BCFC,
+    sub_0802BCA0,
+    sub_0802BD08,
+    sub_0802BD10,
+    nullsub_145,
+    sub_0802BD28,
+};
+
+void (*const gUnk_080CD450[])(Entity*) = {
+    sub_0802BFD0,
+    sub_0802BFD8,
+    sub_0802BFE0,
+};
+
+const s8 gUnk_080CD45C[] = {
+     0, -8,
+     8,  0,
+     0,  8,
+    -8,  0,
+};
+
+const s8 gUnk_080CD464[] = {
+    -3, -8,  3, -8,
+     8, -3,  8,  3,
+    -3,  8,  3,  8,
+    -8, -3, -8,  3,
+};
+// clang-format on