diff --git a/asm/non_matching/manager37/Manager37_Main.inc b/asm/non_matching/manager37/Manager37_Main.inc
deleted file mode 100644
index 6624db37..00000000
--- a/asm/non_matching/manager37/Manager37_Main.inc
+++ /dev/null
@@ -1,12 +0,0 @@
-	.syntax unified
-	push {lr}
-	ldr r2, _0805DE4C @ =gUnk_08108DBC
-	ldrb r1, [r0, #0xa]
-	lsls r1, r1, #2
-	adds r1, r1, r2
-	ldr r1, [r1]
-	bl _call_via_r1
-	pop {pc}
-	.align 2, 0
-_0805DE4C: .4byte gUnk_08108DBC
-	.syntax divided
diff --git a/asm/non_matching/manager37/sub_0805DE50.inc b/asm/non_matching/manager37/sub_0805DE50.inc
deleted file mode 100644
index 662f5977..00000000
--- a/asm/non_matching/manager37/sub_0805DE50.inc
+++ /dev/null
@@ -1,12 +0,0 @@
-	.syntax unified
-	push {lr}
-	ldr r2, _0805DE64 @ =gUnk_08108DC4
-	ldrb r1, [r0, #0xc]
-	lsls r1, r1, #2
-	adds r1, r1, r2
-	ldr r1, [r1]
-	bl _call_via_r1
-	pop {pc}
-	.align 2, 0
-_0805DE64: .4byte gUnk_08108DC4
-	.syntax divided
diff --git a/asm/non_matching/manager37/sub_0805DE68.inc b/asm/non_matching/manager37/sub_0805DE68.inc
deleted file mode 100644
index 027c6cb4..00000000
--- a/asm/non_matching/manager37/sub_0805DE68.inc
+++ /dev/null
@@ -1,100 +0,0 @@
-	.syntax unified
-.ifdef JP
-	push {r4, lr}
-	adds r4, r0, #0
-	movs r0, #0x7b
-	bl CheckLocalFlag
-	cmp r0, #0
-	bne _0805DCCE
-	bl DeleteThisEntity
-_0805DCCE:
-	movs r1, #0
-	movs r0, #1
-	strb r0, [r4, #0xc]
-	ldr r2, _0805DCF4 @ =0x030010A0
-	adds r0, r2, #0
-	adds r0, #0x38
-	strb r1, [r0]
-	adds r1, r2, #0
-	adds r1, #0x39
-	movs r0, #0xf
-	strb r0, [r1]
-	adds r0, r2, #0
-	adds r0, #0x3a
-	movs r1, #0x20
-	strb r1, [r0]
-	adds r0, #1
-	strb r1, [r0]
-	pop {r4, pc}
-	.align 2, 0
-_0805DCF4: .4byte gScreenTransition
-.else
-.ifdef EU
-	push {r4, lr}
-	adds r4, r0, #0
-	movs r0, #0x7b
-	bl CheckLocalFlag
-	cmp r0, #0
-	bne _0805D916
-	bl DeleteThisEntity
-_0805D916:
-	movs r1, #0
-	movs r0, #1
-	strb r0, [r4, #0xc]
-	ldr r2, _0805D93C @ =gScreenTransition
-	adds r0, r2, #0
-	adds r0, #0x38
-	strb r1, [r0]
-	adds r1, r2, #0
-	adds r1, #0x39
-	movs r0, #0xf
-	strb r0, [r1]
-	adds r0, r2, #0
-	adds r0, #0x3a
-	movs r1, #0x20
-	strb r1, [r0]
-	adds r0, #1
-	strb r1, [r0]
-	pop {r4, pc}
-	.align 2, 0
-_0805D93C: .4byte gScreenTransition
-.else
-	push {r4, lr}
-	adds r4, r0, #0
-	movs r0, #0x7b
-	bl CheckLocalFlag
-	cmp r0, #0
-	bne _0805DE7A
-	bl DeleteThisEntity
-_0805DE7A:
-	movs r1, #0
-	movs r0, #1
-	strb r0, [r4, #0xc]
-	ldr r2, _0805DEAC @ =gScreenTransition
-	adds r0, r2, #0
-	adds r0, #0x38
-	strb r1, [r0]
-	adds r1, r2, #0
-	adds r1, #0x39
-	movs r0, #0xf
-	strb r0, [r1]
-	adds r0, r2, #0
-	adds r0, #0x3a
-	movs r1, #0x20
-	strb r1, [r0]
-	adds r0, #1
-	strb r1, [r0]
-	ldr r0, _0805DEB0 @ =gSave
-	movs r1, #0x93
-	lsls r1, r1, #3
-	adds r0, r0, r1
-	ldr r1, _0805DEB4 @ =0x00001194
-	str r1, [r0]
-	pop {r4, pc}
-	.align 2, 0
-_0805DEAC: .4byte gScreenTransition
-_0805DEB0: .4byte gSave
-_0805DEB4: .4byte 0x00001194
-.endif
-.endif
-	.syntax divided
diff --git a/asm/non_matching/manager37/sub_0805DEB8.inc b/asm/non_matching/manager37/sub_0805DEB8.inc
deleted file mode 100644
index fdc72555..00000000
--- a/asm/non_matching/manager37/sub_0805DEB8.inc
+++ /dev/null
@@ -1,73 +0,0 @@
-	.syntax unified
-	push {r4, r5, lr}
-	adds r3, r0, #0
-	ldr r5, _0805DF44 @ =gPlayerEntity
-	movs r0, #0x2e
-	ldrsh r2, [r5, r0]
-	subs r2, #0x88
-	ldr r4, _0805DF48 @ =gRoomControls
-	ldrh r0, [r4, #6]
-	subs r2, r2, r0
-	movs r1, #0x32
-	ldrsh r0, [r5, r1]
-	subs r0, #0x40
-	ldrh r1, [r4, #8]
-	subs r0, r0, r1
-	adds r1, r2, #0
-	muls r1, r2, r1
-	adds r2, r0, #0
-	muls r2, r0, r2
-	adds r0, r2, #0
-	adds r1, r1, r0
-	movs r0, #0x90
-	lsls r0, r0, #4
-	cmp r1, r0
-	bgt _0805DF42
-	movs r0, #0
-	movs r1, #2
-	strb r1, [r3, #0xc]
-	strb r0, [r3, #0xd]
-	movs r0, #0x78
-	strb r0, [r3, #0xe]
-	movs r0, #2
-	bl sub_08078A90
-	bl sub_08078B48
-	movs r0, #0x64
-	movs r1, #0
-	movs r2, #0
-	bl CreateObject
-	adds r2, r0, #0
-	cmp r2, #0
-	beq _0805DF1A
-	ldrh r0, [r4, #6]
-	adds r0, #0x88
-	strh r0, [r2, #0x2e]
-	ldrh r0, [r4, #8]
-	adds r0, #0x48
-	strh r0, [r2, #0x32]
-_0805DF1A:
-	movs r2, #0x10
-	rsbs r2, r2, #0
-	adds r0, r5, #0
-	movs r1, #8
-	bl CreateSpeechBubbleExclamationMark
-	adds r2, r0, #0
-	cmp r2, #0
-	beq _0805DF3C
-	adds r2, #0x29
-	ldrb r1, [r2]
-	movs r0, #8
-	rsbs r0, r0, #0
-	ands r0, r1
-	movs r1, #3
-	orrs r0, r1
-	strb r0, [r2]
-_0805DF3C:
-	movs r0, #0x32
-	bl SoundReq
-_0805DF42:
-	pop {r4, r5, pc}
-	.align 2, 0
-_0805DF44: .4byte gPlayerEntity
-_0805DF48: .4byte gRoomControls
-	.syntax divided
diff --git a/asm/non_matching/manager37/sub_0805DF4C.inc b/asm/non_matching/manager37/sub_0805DF4C.inc
deleted file mode 100644
index 12c63c6c..00000000
--- a/asm/non_matching/manager37/sub_0805DF4C.inc
+++ /dev/null
@@ -1,40 +0,0 @@
-	.syntax unified
-	push {lr}
-	adds r1, r0, #0
-	ldr r2, _0805DF70 @ =gPlayerEntity
-	movs r0, #0
-	strb r0, [r2, #0x14]
-	movs r3, #0x36
-	ldrsh r0, [r2, r3]
-	cmp r0, #0
-	beq _0805DF78
-	movs r1, #0x32
-	ldrsh r0, [r2, r1]
-	ldr r1, _0805DF74 @ =gRoomControls
-	ldrh r1, [r1, #8]
-	adds r1, #0x48
-	cmp r0, r1
-	bge _0805DF92
-	strh r1, [r2, #0x32]
-	b _0805DF92
-	.align 2, 0
-_0805DF70: .4byte gPlayerEntity
-_0805DF74: .4byte gRoomControls
-_0805DF78:
-	ldrb r0, [r1, #0xe]
-	subs r0, #1
-	strb r0, [r1, #0xe]
-	lsls r0, r0, #0x18
-	cmp r0, #0
-	bne _0805DF92
-	movs r0, #3
-	strb r0, [r1, #0xc]
-	movs r0, #0x1e
-	strb r0, [r1, #0xe]
-	ldr r0, _0805DF94 @ =0x0000164F
-	bl TextboxNoOverlapFollow
-_0805DF92:
-	pop {pc}
-	.align 2, 0
-_0805DF94: .4byte 0x0000164F
-	.syntax divided
diff --git a/asm/non_matching/manager37/sub_0805DF98.inc b/asm/non_matching/manager37/sub_0805DF98.inc
deleted file mode 100644
index ca1d09b7..00000000
--- a/asm/non_matching/manager37/sub_0805DF98.inc
+++ /dev/null
@@ -1,28 +0,0 @@
-	.syntax unified
-	push {lr}
-	adds r2, r0, #0
-	ldr r0, _0805DFB4 @ =gTextBox
-	ldrb r1, [r0]
-	movs r0, #0x7f
-	ands r0, r1
-	cmp r0, #0
-	bne _0805DFCA
-	ldrb r0, [r2, #0xe]
-	cmp r0, #0
-	beq _0805DFB8
-	subs r0, #1
-	strb r0, [r2, #0xe]
-	b _0805DFCA
-	.align 2, 0
-_0805DFB4: .4byte gTextBox
-_0805DFB8:
-	movs r0, #4
-	strb r0, [r2, #0xc]
-	movs r0, #7
-	movs r1, #4
-	bl DoFade
-	movs r0, #0xf6
-	bl SoundReq
-_0805DFCA:
-	pop {pc}
-	.syntax divided
diff --git a/asm/non_matching/manager37/sub_0805DFCC.inc b/asm/non_matching/manager37/sub_0805DFCC.inc
deleted file mode 100644
index 15c615ad..00000000
--- a/asm/non_matching/manager37/sub_0805DFCC.inc
+++ /dev/null
@@ -1,14 +0,0 @@
-	.syntax unified
-	push {lr}
-	ldr r0, _0805DFE4 @ =gFadeControl
-	ldrb r0, [r0]
-	cmp r0, #0
-	bne _0805DFE0
-	movs r0, #0x1c
-	bl ClearGlobalFlag
-	bl sub_0805E094
-_0805DFE0:
-	pop {pc}
-	.align 2, 0
-_0805DFE4: .4byte gFadeControl
-	.syntax divided
diff --git a/asm/non_matching/manager37/sub_0805DFE8.inc b/asm/non_matching/manager37/sub_0805DFE8.inc
deleted file mode 100644
index 4742d51b..00000000
--- a/asm/non_matching/manager37/sub_0805DFE8.inc
+++ /dev/null
@@ -1,12 +0,0 @@
-	.syntax unified
-	push {lr}
-	ldr r2, _0805DFFC @ =gUnk_08108DD8
-	ldrb r1, [r0, #0xc]
-	lsls r1, r1, #2
-	adds r1, r1, r2
-	ldr r1, [r1]
-	bl _call_via_r1
-	pop {pc}
-	.align 2, 0
-_0805DFFC: .4byte gUnk_08108DD8
-	.syntax divided
diff --git a/asm/non_matching/manager37/sub_0805E000.inc b/asm/non_matching/manager37/sub_0805E000.inc
deleted file mode 100644
index 4f44fe8c..00000000
--- a/asm/non_matching/manager37/sub_0805E000.inc
+++ /dev/null
@@ -1,54 +0,0 @@
-	.syntax unified
-	push {r4, r5, r6, lr}
-	adds r6, r0, #0
-	movs r0, #0x51
-	movs r1, #0
-	bl CreateEnemy
-	adds r4, r0, #0
-	cmp r4, #0
-	beq _0805E062
-	ldr r1, _0805E064 @ =gRoomControls
-	ldrh r0, [r1, #6]
-	adds r0, #0xb0
-	strh r0, [r4, #0x2e]
-	ldrh r0, [r1, #8]
-	adds r0, #0x48
-	strh r0, [r4, #0x32]
-	adds r0, r4, #0
-	adds r0, #0x38
-	movs r5, #1
-	strb r5, [r0]
-	adds r0, r4, #0
-	bl UpdateSpriteForCollisionLayer
-	ldr r0, _0805E068 @ =gScreenTransition
-	adds r0, #0x38
-	ldrb r1, [r0]
-	adds r0, r5, #0
-	ands r0, r1
-	cmp r0, #0
-	beq _0805E040
-	bl DeleteThisEntity
-_0805E040:
-	str r4, [r6, #0x18]
-	strb r5, [r6, #0xc]
-	movs r0, #3
-	bl sub_08078A90
-	ldr r0, _0805E06C @ =gArea
-	ldr r1, _0805E070 @ =0x00000864
-	adds r0, r0, r1
-	ldr r1, _0805E074 @ =0x80010000
-	str r1, [r0]
-	movs r0, #6
-	movs r1, #4
-	bl DoFade
-	movs r0, #0xf7
-	bl SoundReq
-_0805E062:
-	pop {r4, r5, r6, pc}
-	.align 2, 0
-_0805E064: .4byte gRoomControls
-_0805E068: .4byte gScreenTransition
-_0805E06C: .4byte gArea
-_0805E070: .4byte 0x00000864
-_0805E074: .4byte 0x80010000
-	.syntax divided
diff --git a/asm/non_matching/manager37/sub_0805E078.inc b/asm/non_matching/manager37/sub_0805E078.inc
deleted file mode 100644
index a41aa954..00000000
--- a/asm/non_matching/manager37/sub_0805E078.inc
+++ /dev/null
@@ -1,16 +0,0 @@
-	.syntax unified
-	push {lr}
-	adds r1, r0, #0
-	ldr r0, _0805E090 @ =gFadeControl
-	ldrb r0, [r0]
-	cmp r0, #0
-	bne _0805E08E
-	ldr r1, [r1, #0x18]
-	movs r0, #1
-	strb r0, [r1, #0xd]
-	bl DeleteThisEntity
-_0805E08E:
-	pop {pc}
-	.align 2, 0
-_0805E090: .4byte gFadeControl
-	.syntax divided
diff --git a/asm/non_matching/manager37/sub_0805E094.inc b/asm/non_matching/manager37/sub_0805E094.inc
deleted file mode 100644
index bacb0723..00000000
--- a/asm/non_matching/manager37/sub_0805E094.inc
+++ /dev/null
@@ -1,10 +0,0 @@
-	.syntax unified
-	push {lr}
-	bl sub_0805E5A8
-	ldr r0, _0805E0A4 @ =gUnk_0813AC34
-	movs r1, #7
-	bl sub_0808091C
-	pop {pc}
-	.align 2, 0
-_0805E0A4: .4byte gUnk_0813AC34
-	.syntax divided
diff --git a/src/manager/manager37.c b/src/manager/manager37.c
index b9b8cdcc..de139253 100644
--- a/src/manager/manager37.c
+++ b/src/manager/manager37.c
@@ -1,23 +1,139 @@
 #include "manager.h"
+#include "structures.h"
+#include "functions.h"
+#include "flags.h"
+#include "textbox.h"
+#include "audio.h"
+#include "save.h"
+#include "object.h"
+#include "area.h"
+#include "enemy.h"
 
-ASM_FUNC("asm/non_matching/manager37/Manager37_Main.inc", void Manager37_Main())
+extern ScreenTransitionData gUnk_0813AC34;
 
-ASM_FUNC("asm/non_matching/manager37/sub_0805DE50.inc", void sub_0805DE50())
+extern void (*const gUnk_08108DBC[])(Manager*);
 
-ASM_FUNC("asm/non_matching/manager37/sub_0805DE68.inc", void sub_0805DE68())
+extern void (*const gUnk_08108DC4[])(Manager*);
 
-ASM_FUNC("asm/non_matching/manager37/sub_0805DEB8.inc", void sub_0805DEB8())
+extern void (*const gUnk_08108DD8[])(Manager*);
 
-ASM_FUNC("asm/non_matching/manager37/sub_0805DF4C.inc", void sub_0805DF4C())
+void sub_0805E094(void);
 
-ASM_FUNC("asm/non_matching/manager37/sub_0805DF98.inc", void sub_0805DF98())
+extern Entity* CreateSpeechBubbleExclamationMark(Entity*, u32, u32);
 
-ASM_FUNC("asm/non_matching/manager37/sub_0805DFCC.inc", void sub_0805DFCC())
+void Manager37_Main(Manager* this) {
+    gUnk_08108DBC[this->unk_0a](this);
+}
 
-ASM_FUNC("asm/non_matching/manager37/sub_0805DFE8.inc", void sub_0805DFE8())
+void sub_0805DE50(Manager* this) {
+    gUnk_08108DC4[this->action](this);
+}
 
-ASM_FUNC("asm/non_matching/manager37/sub_0805E000.inc", void sub_0805E000())
+void sub_0805DE68(Manager* this) {
+    if (CheckLocalFlag(0x7b) == 0) {
+        DeleteThisEntity();
+    }
+    this->action = 1;
+    gScreenTransition.field_0x38 = 0;
+    gScreenTransition.field_0x39 = 0x0f;
+    *(u8*)&gScreenTransition.field_0x3a = 0x20;
+    *((u8*)&gScreenTransition.field_0x3a+1) = 0x20;
+#if !defined(EU) && !defined(JP) && !defined(DEMO_JP)
+    gSave.unk498 = 0x1194;
+#endif
+}
 
-ASM_FUNC("asm/non_matching/manager37/sub_0805E078.inc", void sub_0805E078())
+void sub_0805DEB8(Manager* this) {
+    s32 distX;
+    s32 distY;
+    Entity* object;
 
-ASM_FUNC("asm/non_matching/manager37/sub_0805E094.inc", void sub_0805E094())
+    distX = gPlayerEntity.x.HALF.HI - (gRoomControls.roomOriginX+0x88);
+    distY = gPlayerEntity.y.HALF.HI - (gRoomControls.roomOriginY+0x40);
+    if (distX * distX + distY * distY < 0x901) {
+        this->action = 2;
+        this->unk_0d = 0;
+        this->unk_0e = 0x78;
+        sub_08078A90(2);
+        sub_08078B48();
+        object = CreateObject(OBJECT_64, 0, 0);
+        if (object != NULL) {
+            object->x.HALF.HI = gRoomControls.roomOriginX + 0x88;
+            object->y.HALF.HI = gRoomControls.roomOriginY + 0x48;
+        }
+        object = CreateSpeechBubbleExclamationMark(&gPlayerEntity, 8, 0xfffffff0);
+        if (object != NULL) {
+            object->spritePriority.b0 = 3;
+        }
+        SoundReq(BGM_VAATI_WRATH);
+    }
+}
+
+void sub_0805DF4C(Manager* this) {
+    gPlayerEntity.animationState = 0;
+    if (gPlayerEntity.height.HALF.HI != 0) {
+        if (gPlayerEntity.y.HALF.HI < (gRoomControls.roomOriginY + 0x48)) {
+            gPlayerEntity.y.HALF.HI = gRoomControls.roomOriginY + 0x48;
+        }
+    } else {
+        if (--this->unk_0e == 0) {
+            this->action = 3;
+            this->unk_0e = 0x1e;
+            TextboxNoOverlapFollow(0x164f);
+        }
+    }
+}
+
+void sub_0805DF98(Manager* this) {
+    if ((gTextBox.doTextBox & 0x7f) == 0) {
+        if (this->unk_0e != 0) {
+            this->unk_0e -= 1;
+        } else {
+            this->action = 4;
+            DoFade(7, 4);
+            SoundReq(SFX_EVAPORATE);
+        }
+    }
+}
+
+void sub_0805DFCC(void) {
+    if (gFadeControl.active == 0) {
+        ClearGlobalFlag(ZELDA_CHASE);
+        sub_0805E094();
+    }
+}
+
+void sub_0805DFE8(Manager* this) {
+    gUnk_08108DD8[this->action](this);
+}
+
+void sub_0805E000(Manager* this) {
+    Entity* enemy = CreateEnemy(VAATI_WRATH, 0);
+    if (enemy != NULL) {
+        enemy->x.HALF.HI = gRoomControls.roomOriginX + 0xb0;
+        enemy->y.HALF.HI = gRoomControls.roomOriginY + 0x48;
+        enemy->collisionLayer = 1;
+        UpdateSpriteForCollisionLayer(enemy);
+        if ((gScreenTransition.field_0x38 & 1) != 0) {
+            DeleteThisEntity();
+        }
+        *(Entity**)this->unk_18 = enemy;
+        this->action = 1;
+        sub_08078A90(3);
+        gArea.pMusicIndex = 0x80010000;
+        DoFade(6, 4);
+        SoundReq(SFX_APPARATE);
+    }
+}
+
+void sub_0805E078(Manager* this) {
+    if (gFadeControl.active == 0) {
+        *(u8*)(((int*)this->unk_18)[0] + 0xd) = 1;
+        DeleteThisEntity();
+    }
+}
+
+void sub_0805E094(void) {
+    sub_0805E5A8();
+    sub_0808091C((ScreenTransitionData*)&gUnk_0813AC34, 7);
+}