diff --git a/linker_scripts/code_script.txt b/linker_scripts/code_script.txt
index c78e37e0b1..b87ba27fb4 100644
--- a/linker_scripts/code_script.txt
+++ b/linker_scripts/code_script.txt
@@ -1754,9 +1754,9 @@ SECTIONS
     ovl_Bg_Ctower_Rot : AT(RomLocation)
     {
         build/src/overlays/actors/ovl_Bg_Ctower_Rot/z_bg_ctower_rot.o(.text)
-        build/asm/overlays/ovl_Bg_Ctower_Rot_data.o(.data)
+        build/src/overlays/actors/ovl_Bg_Ctower_Rot/z_bg_ctower_rot.o(.data)
         build/src/overlays/actors/ovl_Bg_Ctower_Rot/z_bg_ctower_rot.o(.rodata)
-        build/asm/overlays/ovl_Bg_Ctower_Rot_rodata.o(.rodata)
+        build/src/overlays/actors/ovl_Bg_Ctower_Rot/z_bg_ctower_rot_overlay.o(.ovl)
     }
     SegmentEnd = .;
     SegmentSize = SegmentEnd - SegmentStart;
diff --git a/linker_scripts/object_script.txt b/linker_scripts/object_script.txt
index 48c8242143..3c5cf38a82 100644
--- a/linker_scripts/object_script.txt
+++ b/linker_scripts/object_script.txt
@@ -227,6 +227,15 @@ D_06017018 = 0x06017018;
 D_06018118 = 0x06018118;
 D_06018588 = 0x06018588;
 
+/* z_bg_ctower_rot */
+D_060129D0 = 0x060129D0;
+D_06012DA0 = 0x06012DA0;
+D_060142E8 = 0x060142E8;
+D_06017220 = 0x06017220;
+D_06017410 = 0x06017410;
+D_060174E0 = 0x060174E0;
+D_06017650 = 0x06017650;
+
 /* z_en_warp_uzu */ 
 D_06000EC0 = 0x06000EC0;
 
diff --git a/src/overlays/actors/ovl_Bg_Ctower_Rot/z_bg_ctower_rot.c b/src/overlays/actors/ovl_Bg_Ctower_Rot/z_bg_ctower_rot.c
index e64a9948f4..9083fa13d8 100644
--- a/src/overlays/actors/ovl_Bg_Ctower_Rot/z_bg_ctower_rot.c
+++ b/src/overlays/actors/ovl_Bg_Ctower_Rot/z_bg_ctower_rot.c
@@ -1,3 +1,9 @@
+/*
+ * File: z_bg_ctower_rot.c
+ * Overlay: ovl_Bg_CtowerRot
+ * Description: Twisting path along with the Doors to Clocktower
+ */
+
 #include "z_bg_ctower_rot.h"
 
 #define FLAGS 0x00000030
@@ -9,7 +15,11 @@ void BgCtowerRot_Destroy(Actor* thisx, GlobalContext* globalCtx);
 void BgCtowerRot_Update(Actor* thisx, GlobalContext* globalCtx);
 void BgCtowerRot_Draw(Actor* thisx, GlobalContext* globalCtx);
 
-/*
+void BgCtowerRot_CorridorRotate(BgCtowerRot* this, GlobalContext* globalCtx);
+void BgCtowerRot_DoorDoNothing(BgCtowerRot* this, GlobalContext* globalCtx);
+void BgCtowerRot_DoorIdle(BgCtowerRot* this, GlobalContext* globalCtx);
+void BgCtowerRot_SetupDoorClose(BgCtowerRot* this, GlobalContext* globalCtx);
+
 const ActorInit Bg_Ctower_Rot_InitVars = {
     ACTOR_BG_CTOWER_ROT,
     ACTORCAT_BG,
@@ -21,22 +31,142 @@ const ActorInit Bg_Ctower_Rot_InitVars = {
     (ActorFunc)BgCtowerRot_Update,
     (ActorFunc)BgCtowerRot_Draw,
 };
-*/
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_Bg_Ctower_Rot_0x808E2070/BgCtowerRot_Init.asm")
+extern Gfx D_060129D0[];
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_Bg_Ctower_Rot_0x808E2070/BgCtowerRot_Destroy.asm")
+extern Gfx D_06012DA0[];
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_Bg_Ctower_Rot_0x808E2070/func_808E21FC.asm")
+extern CollisionHeader D_060142E8;
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_Bg_Ctower_Rot_0x808E2070/func_808E22DC.asm")
+extern Gfx D_06017220[];
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_Bg_Ctower_Rot_0x808E2070/func_808E22EC.asm")
+extern CollisionHeader D_06017410;
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_Bg_Ctower_Rot_0x808E2070/func_808E23D0.asm")
+extern Gfx D_060174E0[];
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_Bg_Ctower_Rot_0x808E2070/func_808E2444.asm")
+extern CollisionHeader D_06017650;
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_Bg_Ctower_Rot_0x808E2070/BgCtowerRot_Update.asm")
+static InitChainEntry sInitChain[] = {
+    ICHAIN_VEC3F_DIV1000(scale, 100, ICHAIN_STOP),
+};
 
-#pragma GLOBAL_ASM("./asm/non_matchings/overlays/ovl_Bg_Ctower_Rot_0x808E2070/BgCtowerRot_Draw.asm")
+static Gfx* bgCtowerRotDlists[] = { D_06012DA0, D_06017220, D_060174E0 };
+
+void BgCtowerRot_Init(Actor* thisx, GlobalContext* globalCtx) {
+    BgCtowerRot* this = THIS;
+    s32 pad;
+    ActorPlayer* player;
+    Vec3f offset;
+
+    Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
+    BcCheck3_BgActorInit(&this->dyna, 1);
+    if (this->dyna.actor.params == CORRIDOR) {
+        BgCheck3_LoadMesh(globalCtx, &this->dyna, &D_060142E8);
+        this->actionFunc = BgCtowerRot_CorridorRotate;
+        return;
+    }
+    player = PLAYER;
+    if (this->dyna.actor.params == MAIN_DOOR) {
+        BgCheck3_LoadMesh(globalCtx, &this->dyna, &D_06017410);
+        this->dyna.actor.world.rot.y = this->dyna.actor.shape.rot.y + 0x4000;
+    } else {
+        BgCheck3_LoadMesh(globalCtx, &this->dyna, &D_06017650);
+        this->dyna.actor.world.rot.y = this->dyna.actor.shape.rot.y - 0x4000;
+    }
+    Actor_CalcOffsetOrientedToDrawRotation(&this->dyna.actor, &offset, &player->base.world.pos);
+    if (offset.z < 0.0f) {
+        this->dyna.actor.world.pos.x = this->dyna.actor.home.pos.x + (Math_SinS(this->dyna.actor.world.rot.y) * 80.0f);
+        this->dyna.actor.world.pos.z = this->dyna.actor.home.pos.z + (Math_CosS(this->dyna.actor.world.rot.y) * 80.0f);
+        this->timer = 80.0f;
+        this->actionFunc = BgCtowerRot_DoorIdle;
+    } else {
+        this->actionFunc = BgCtowerRot_DoorDoNothing;
+    }
+}
+
+void BgCtowerRot_Destroy(Actor* thisx, GlobalContext* globalCtx) {
+    BgCtowerRot* this = THIS;
+
+    BgCheck_RemoveActorMesh(globalCtx, &globalCtx->colCtx.dyna, this->dyna.bgId);
+}
+
+void BgCtowerRot_CorridorRotate(BgCtowerRot* this, GlobalContext* globalCtx) {
+    ActorPlayer* player = PLAYER;
+    Vec3f offset;
+    f32 rotZ;
+    f32 offsetDiffZ;
+    f32 rotZtmp;
+
+    Actor_CalcOffsetOrientedToDrawRotation(&this->dyna.actor, &offset, &player->base.world.pos);
+    if (offset.z > 1100.0f) {
+        rotZ = 0.0f;
+    } else {
+        offsetDiffZ = 1100.0f - offset.z;
+        rotZtmp = (offsetDiffZ > 1000.0f)
+                      ? 1000.0f
+                      : offsetDiffZ; // Removing rotZtmp just causes regalloc issues and a missing instruction
+        rotZ = rotZtmp;
+    }
+    func_800DFAC8(globalCtx->cameraPtrs[0], 0x11);
+    this->dyna.actor.shape.rot.z = rotZ * 16.384f;
+    if (globalCtx->csCtx.frames == 0x84) {
+        play_sound(0x4859);
+    }
+}
+
+void BgCtowerRot_DoorDoNothing(BgCtowerRot* this, GlobalContext* globalCtx) {
+}
+
+void BgCtowerRot_DoorClose(BgCtowerRot* this, GlobalContext* globalCtx) {
+    if (!Math_SmoothStepToF(&this->timer, 0.0f, 0.1f, 15.0f, 0.1f)) {
+        if (this->dyna.actor.params == MAIN_DOOR) {
+            Audio_PlayActorSound2(&this->dyna.actor, 0x2893);
+            ActorCutscene_Stop(this->dyna.actor.cutscene);
+        }
+        this->actionFunc = BgCtowerRot_DoorDoNothing;
+    } else if (this->dyna.actor.params == 1) {
+        func_800B9010(&this->dyna.actor, 0x201E);
+    }
+    this->dyna.actor.world.pos.x =
+        this->dyna.actor.home.pos.x + (Math_SinS(this->dyna.actor.world.rot.y) * this->timer);
+    this->dyna.actor.world.pos.z =
+        this->dyna.actor.home.pos.z + (Math_CosS(this->dyna.actor.world.rot.y) * this->timer);
+}
+
+void BgCtowerRot_DoorIdle(BgCtowerRot* this, GlobalContext* globalCtx) {
+    ActorPlayer* player = PLAYER;
+    Vec3f offset;
+
+    Actor_CalcOffsetOrientedToDrawRotation(&this->dyna.actor, &offset, &player->base.world.pos);
+    if (offset.z > 30.0f) {
+        this->unk160 = 0.0f;
+        ActorCutscene_SetIntentToPlay(this->dyna.actor.cutscene);
+        this->actionFunc = BgCtowerRot_SetupDoorClose;
+    }
+}
+
+void BgCtowerRot_SetupDoorClose(BgCtowerRot* this, GlobalContext* globalCtx) {
+    if (ActorCutscene_GetCanPlayNext(this->dyna.actor.cutscene)) {
+        if (this->dyna.actor.params == MAIN_DOOR) {
+            ActorCutscene_StartAndSetUnkLinkFields(this->dyna.actor.cutscene, &this->dyna.actor);
+        }
+        this->actionFunc = BgCtowerRot_DoorClose;
+    } else {
+        ActorCutscene_SetIntentToPlay(this->dyna.actor.cutscene);
+    }
+}
+
+void BgCtowerRot_Update(Actor* thisx, GlobalContext* globalCtx) {
+    BgCtowerRot* this = THIS;
+
+    this->actionFunc(this, globalCtx);
+}
+
+void BgCtowerRot_Draw(Actor* thisx, GlobalContext* globalCtx) {
+    BgCtowerRot* this = THIS;
+
+    func_800BDFC0(globalCtx, bgCtowerRotDlists[this->dyna.actor.params]);
+    if (this->dyna.actor.params == CORRIDOR) {
+        func_800BE03C(globalCtx, D_060129D0);
+    }
+}
diff --git a/src/overlays/actors/ovl_Bg_Ctower_Rot/z_bg_ctower_rot.h b/src/overlays/actors/ovl_Bg_Ctower_Rot/z_bg_ctower_rot.h
index cb2ac760c0..bef34f6ecb 100644
--- a/src/overlays/actors/ovl_Bg_Ctower_Rot/z_bg_ctower_rot.h
+++ b/src/overlays/actors/ovl_Bg_Ctower_Rot/z_bg_ctower_rot.h
@@ -5,9 +5,20 @@
 
 struct BgCtowerRot;
 
+typedef void (*BgCtowerRotActionFunc)(struct BgCtowerRot*, GlobalContext*);
+
+typedef enum {
+    /* 0 */ CORRIDOR,
+    /* 1 */ MAIN_DOOR, // Main door controls cutscene flow (updating Link fields and playing sounds). It is the one on
+                       // the left when entering from the Lost Woods
+    /* 2 */ DOOR,
+} BgCtowerRotType;
+
 typedef struct BgCtowerRot {
-    /* 0x000 */ Actor actor;
-    /* 0x144 */ char unk_144[0x24];
+    /* 0x000 */ DynaPolyActor dyna;
+    /* 0x15C */ BgCtowerRotActionFunc actionFunc;
+    /* 0x160 */ f32 unk160; // Set to 0 but never used
+    /* 0x164 */ f32 timer;
 } BgCtowerRot; // size = 0x168
 
 extern const ActorInit Bg_Ctower_Rot_InitVars;