diff --git a/data/overlays/actors/z_bg_hidan_firewall.data.s b/data/overlays/actors/z_bg_hidan_firewall.data.s
index ff4314b4d1..1449400411 100644
--- a/data/overlays/actors/z_bg_hidan_firewall.data.s
+++ b/data/overlays/actors/z_bg_hidan_firewall.data.s
@@ -7,12 +7,12 @@
 
 .section .data
 
-glabel Bg_Hidan_Firewall_InitVars
- .word 0x000C0100, 0x00000000, 0x002C0000, 0x000001A0
-.word BgHidanFirewall_Init
-.word BgHidanFirewall_Destroy
-.word BgHidanFirewall_Update
-.word 0x00000000
+#glabel Bg_Hidan_Firewall_InitVars
+# .word 0x000C0100, 0x00000000, 0x002C0000, 0x000001A0
+#.word BgHidanFirewall_Init
+#.word BgHidanFirewall_Destroy
+#.word BgHidanFirewall_Update
+#.word 0x00000000
 glabel D_80886CD0
  .word 0x0A110009, 0x20010000, 0x00000000, 0x20000000, 0x01040000, 0xFFCFFFFF, 0x00000000, 0x19000100, 0x001E0053, 0x00000000, 0x00000000
 glabel D_80886CFC
diff --git a/src/overlays/actors/ovl_Bg_Hidan_Firewall/z_bg_hidan_firewall.c b/src/overlays/actors/ovl_Bg_Hidan_Firewall/z_bg_hidan_firewall.c
index ccf7600fda..0b7eb1d580 100644
--- a/src/overlays/actors/ovl_Bg_Hidan_Firewall/z_bg_hidan_firewall.c
+++ b/src/overlays/actors/ovl_Bg_Hidan_Firewall/z_bg_hidan_firewall.c
@@ -5,25 +5,38 @@
 
 // static ColliderCylinderInit cylinderInitData =
 // {
-//     {
-//         0x0A, 0x11, 0x00, 0x09,
-//         0x20, 0x01,  { 0x00, 0x00, },
-//         0x00, { 0x00, 0x00, 0x00, },
-//         0x20000000,
-//         0x01, 0x04, { 0x00, 0x00, },
-//         0xFFCFFFFF,
-//         { 0x00, 0x00, 0x00, 0x00, },
-//         0x19, 0x00, 0x01, 0x00,
-//     },
+//     0x0A, 0x11, 0x00, 0x09,
+//     0x20, 0x01, 0x00, 0x00,
+//     0x00, 0x00, 0x00, 0x00,
+//     0x20000000,
+//     0x01, 0x04, 0x00, 0x00,
+//     0xFFCFFFFF,
+//     0x00, 0x00, 0x00, 0x00,
+//     0x19, 0x00, 0x01, 0x00,
 //     0x001E,
 //     0x0053,
-//     0x0000, 
-//     {
-//         0x0000, 0x0000, 0x0000,
-//     },
+//     0x00000000000000000000,
+// };
+
+// static SubActor98Init actor98InitData =
+// {
+//     0x01, 0x0050, 0x0064, 0xFF,
+// };
+
+// u32 D_80886D04[] = {
+//     0x06015D20, 
+//     0x06016120, 
+//     0x06016520, 
+//     0x06016920, 
+//     0x06016D20, 
+//     0x06017120, 
+//     0x06017520, 
+//     0x06017920, 
+//     0x00000000, 
+//     0x00000000, 
+//     0x00000000,
 // };
 
-/*
 const ActorInit Bg_Hidan_Firewall_InitVars =
 {
     ACTOR_BG_HIDAN_FIREWALL,
@@ -37,12 +50,11 @@ const ActorInit Bg_Hidan_Firewall_InitVars =
     (ActorFunc)BgHidanFirewall_Update,
     NULL,
 };
-*/
 
 void BgHidanFirewall_Init(BgHidanFirewall* this, GlobalContext* globalCtx){
   
     f32 scale;
-
+    
     scale = D_80886D84;
     this->actor.scale.x = scale;
     this->actor.scale.z = scale;
@@ -52,12 +64,12 @@ void BgHidanFirewall_Init(BgHidanFirewall* this, GlobalContext* globalCtx){
 
     this->unk_150 = 0;
 
-    ActorCollider_AllocCylinder(globalCtx, ((s32*)this+0x55));//TODO: fix this. multiple cylinders?
-    ActorCollider_InitCylinder(globalCtx, ((s32*)this+0x55), &this->actor, &D_80886CD0);
+    ActorCollider_AllocCylinder(globalCtx, &this->collider);
+    ActorCollider_InitCylinder(globalCtx, &this->collider, &this->actor, &D_80886CD0);
 
-    this->pos_19A.y = this->actor.posRot.pos.y;
+    this->collider.dim.position.y = this->actor.posRot.pos.y;
 
-    func_80061ED4(&this->actor.sub_98, 0, D_80886CFC);
+    func_80061ED4(&this->actor.sub_98, NULL, &D_80886CFC);
     
     this->actionFunc = BgHidanFirewall_Wait;
     return;
@@ -66,35 +78,32 @@ void BgHidanFirewall_Init(BgHidanFirewall* this, GlobalContext* globalCtx){
 void BgHidanFirewall_Destroy(BgHidanFirewall* this, GlobalContext* globalCtx)
 {
     BgHidanFirewall* thing = this;
-    ActorCollider_FreeCylinder(globalCtx, (char*)this + 0x154);//TODO: fix this. multiple cylinders?
+    ActorCollider_FreeCylinder(globalCtx, &this->collider);
 }
 
-// BgHidanFirewall_Proximity
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Hidan_Firewall/func_80886728.s")
-// s32 func_80886728(BgHidanFirewall* this, GlobalContext* globalCtx)
-// {
-//     Vec3f* sp18; //TODO: where does this come from?
-//     f32 phi_return;
+s32 BgHidanFirewall_Proximity(BgHidanFirewall* this, GlobalContext* globalCtx)
+{   
+    Player* player;
+    Vec3f distance;
+    
+    player = PLAYER;
+    func_8002DBD0(&this->actor, &distance, &player->actor.posRot.pos);
 
-//     func_8002DBD0(&this->actor, sp18, &(globalCtx->actorCtx.actorList[2].first->posRot.pos));
-
-//     phi_return = 0.0f;
-//     if (fabsf(sp18->x) < 100.0f)
-//     {
-//         phi_return = fabsf(sp18->z);
-//         if (phi_return < 120.0f)
-//         {
-//             phi_return = 1.401298464324817e-45f;
-//         }
-//     }
-//     return phi_return;
-// }
+    if (fabsf(distance.x) < 100.0f)
+    {
+        if (fabsf(distance.z) < 120.0f)
+        {   
+            return 1;
+        }
+    }
+    return 0;
+}
 
 void BgHidanFirewall_Wait(BgHidanFirewall* this, GlobalContext* globalCtx)
 {
-    if (func_80886728(this, globalCtx) != 0)
+    if (BgHidanFirewall_Proximity(this, globalCtx) != 0)
     {
-        this->actor.draw = func_80886B34;
+        this->actor.draw = BgHidanFirewall_Draw;
         this->actor.params = 5;
         this->actionFunc = BgHidanFirewall_Countdown;
     }
@@ -109,20 +118,20 @@ void BgHidanFirewall_Countdown(BgHidanFirewall* this, GlobalContext* globalCtx)
     }
     if (this->actor.params == 0)
     {
-        this->actionFunc = &func_80886810;
+        this->actionFunc = BgHidanFirewall_Erupt;
     }
 }
 
-void func_80886810(BgHidanFirewall* this, GlobalContext* globalCtx)
+void BgHidanFirewall_Erupt(BgHidanFirewall* this, GlobalContext* globalCtx)
 {
-    if (func_80886728(this, globalCtx) != 0)
+    if (BgHidanFirewall_Proximity(this, globalCtx) != 0)
     {
         Math_ApproxF(&this->actor.scale.y, 0.1f, 0.024999999f);
         return;
     }
     if (Math_ApproxF(&this->actor.scale.y, D_80886D8C, D_80886D8C) != 0)
     {
-        this->actor.draw = 0;
+        this->actor.draw = NULL;
         this->actionFunc = BgHidanFirewall_Wait;
     }
     else
@@ -141,129 +150,106 @@ void func_80886898(BgHidanFirewall* this, GlobalContext* globalCtx)
     }
     else
     {
-        phi_a3 = (s16)(this->actor.shape.rot.y + 0x8000);
+        phi_a3 = this->actor.shape.rot.y + 0x8000;
     }
     func_8002F71C(globalCtx, this, 5.0f, phi_a3, 1.0f);
 }
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Hidan_Firewall/func_808868FC.s")
-// void func_808868FC(BgHidanFirewall* this, GlobalContext* globalCtx)
-// {
-//     Vec3f* temp = &globalCtx->actorCtx.actorList[2].first->posRot.pos;
-//     Vec3f sp30;
-//     f32 temp_ret;
-//     f32 sp28;
-//     f32 phi_f0;
+void func_808868FC(BgHidanFirewall* this, GlobalContext* globalCtx)
+{
+    Player* player;
+    Vec3f sp30;
+    f32 temp_ret;
+    f32 sp28;
+    f32 phi_f0;
 
-//     func_8002DBD0(&this->actor, &sp30, temp); 
-//     if (sp30.x < -70.0f)
-//     {
-//         sp30.x = -70.0f;
-//     }
-//     else
-//     {
-//         if (70.0f < sp30.x)
-//         {
-//             phi_f0 = 70.0f;
-//         }
-//         else
-//         {
-//             phi_f0 = sp30.x;
-//         }
-//         sp30.x = phi_f0;
-//     }
-//     if (this->actor.params == 0)
-//     {
-//         if (0.0f < sp30.z)
-//         {
-//             sp30.z = -25.0f;
-//             this->actor.params = -1;
-//         }
-//         else
-//         {
-//             sp30.z = 25.0f;
-//             this->actor.params = 1;
-//         }
-//     }
-//     else
-//     {
-//         sp30.z = this->actor.params * 25.0f;
-//     }
-//     sp28 = Math_Sins(this->actor.shape.rot.y); 
-//     temp_ret = Math_Coss(this->actor.shape.rot.y);
-//     this->pos_19A.x = ((this->actor.posRot.pos.x + (sp30.x * temp_ret)) + (sp30.z * sp28));
-//     this->pos_19A.z = ((this->actor.posRot.pos.z - (sp30.x * sp28)) + (sp30.z * temp_ret));
-// }
+    player = PLAYER;
+
+    func_8002DBD0(&this->actor, &sp30, &player->actor.posRot.pos); 
+    if (sp30.x < -70.0f)
+    {
+        sp30.x = -70.0f;
+    }
+    else
+    {
+        if (70.0f < sp30.x)
+        {
+            phi_f0 = 70.0f;
+        }
+        else
+        {
+            phi_f0 = sp30.x;
+        }
+        sp30.x = phi_f0;
+    }
+    if (this->actor.params == 0)
+    {
+        if (0.0f < sp30.z)
+        {
+            sp30.z = -25.0f;
+            this->actor.params = -1;
+        }
+        else
+        {
+            sp30.z = 25.0f;
+            this->actor.params = 1;
+        }
+    }
+    else
+    {
+        sp30.z = this->actor.params * 25.0f;
+    }
+    sp28 = Math_Sins(this->actor.shape.rot.y); 
+    temp_ret = Math_Coss(this->actor.shape.rot.y);
+    this->collider.dim.position.x = ((this->actor.posRot.pos.x + (sp30.x * temp_ret)) + (sp30.z * sp28));
+    this->collider.dim.position.z = ((this->actor.posRot.pos.z - (sp30.x * sp28)) + (sp30.z * temp_ret));
+}
+
+void BgHidanFirewall_Update(BgHidanFirewall* this, GlobalContext* globalCtx)
+{
+    s32 pad1;
+    s32 pad2;
+
+    this->unk_150 = (this->unk_150 + 1) % 8;
+
+    if (this->collider.base.colliderFlags & 2)
+    {
+        this->collider.base.colliderFlags &= ~2;
+        func_80886898(this, globalCtx);
+    }
+
+    this->actionFunc(this, globalCtx);
+    if (this->actionFunc == BgHidanFirewall_Erupt)
+    {
+        func_808868FC(this, globalCtx);
+        Actor_CollisionCheck_SetAT(globalCtx, &globalCtx->sub_11E60, &this->collider);
+        Actor_CollisionCheck_SetOT(globalCtx, &globalCtx->sub_11E60, &this->collider);
+        func_8002F974(&this->actor, 0x2034);
+    }
+}
+
+void BgHidanFirewall_Draw(BgHidanFirewall* this, GlobalContext* globalCtx)
+{
+    u32* temp;
+    u32 pad;
+    GraphicsContext* gfxCtx;
+    u32 pad1;
+    u32 pad2;
+    Gfx* gfx;
+
+    gfxCtx = globalCtx->state.gfxCtx;
+
+    func_800C6AC4(&gfx, globalCtx->state.gfxCtx, &D_80886D30, 0x1C0);
+    gfxCtx->polyXlu.p = func_80093774(gfxCtx->polyXlu.p, 0x14);
+
+    temp = &D_80886D04;
+
+    gSPSegment(gfxCtx->polyXlu.p++, 0x08, SEGMENTED_TO_VIRTUAL(temp[this->unk_150]));
+    gDPSetPrimColor(gfxCtx->polyXlu.p++, 0, 0x01, 0xFF, 0xFF, 0x00, 0x96);
+    gDPSetEnvColor(gfxCtx->polyXlu.p++, 0xFF, 0x00, 0x00, 0xFF);
+    gSPMatrix(gfxCtx->polyXlu.p++, Matrix_NewMtx(globalCtx->state.gfxCtx, &D_80886D4C, 0x1CA), G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_MODELVIEW);
+    gSPDisplayList(gfxCtx->polyXlu.p++, &D_0600DA80);
 
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Hidan_Firewall/BgHidanFirewall_Update.s")
-// void BgHidanFirewall_Update(BgHidanFirewall* this, GlobalContext* globalCtx)
-// {
-//     s32 phi_t8;
-//     u8 t;
-
-//     phi_t8 = (((this->ukn_150)) + 1) & 7;
-//     t = this->ukn_164;
-
-//     if ((this->ukn_150) + 1 < 0 && phi_t8)
-//     {
-//         phi_t8 -= 8;
-//     }
-//     this->ukn_150 = phi_t8;
-
-//     if ((this->ukn_164 & 2) != 0)
-//     {
-//         this->ukn_164 &= 0xfffd;
-//         func_80886898(this, globalCtx);
-//     }
-//     this->actionFunc(this, globalCtx);
-//     if (&func_80886810 == this->actionFunc)
-//     {
-//         func_808868FC(this, globalCtx);
-//         Actor_CollisionCheck_SetAT(globalCtx, &globalCtx->sub_11E60, &this->collider);
-//         Actor_CollisionCheck_SetOT(globalCtx, &globalCtx->sub_11E60, &this->collider);
-//         func_8002F974(&this->actor, 0x2034);
-//     }
-// }
-
-// BgHidanFirewall_Draw
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Hidan_Firewall/func_80886B34.s")
-// void func_80886B34(BgHidanFirewall* this, GlobalContext* globalCtx)
-// {
-//     Gfx** sp38;
-//     s32 sp28;
-//     Gfx* temp_ret;
-//     Gfx* temp_v0;
-//     s32 temp_v0_2;
-//     s32 temp_v0_3;
-//     s32 temp_v0_4;
-//     s32 temp_v0_5;
-//     char* temp_a0;
-
-//     func_800C6AC4(&sp38, globalCtx->gfxCtx, D_80886D30, 0x1c0);
-//     temp_ret = func_80093774(globalCtx->gfxCtx->polyXlu.p, 0x14);
-//     temp_v0 = temp_ret;
-//     globalCtx->gfxCtx->polyXlu.p = temp_ret;
-//     globalCtx->gfxCtx->polyXlu.p = (s32) (temp_v0 + 8);
-//     temp_v0->unk0 = 0xdb060020;
-//     temp_a0 = D_80886D04 + (this->ukn_150 * 4);
-//     temp_v0->unk4 = (s32) (((*temp_a0 & 0xffffff) + ((char*)0x80160000 + (((*temp_a0 * 0x10) >> 0x1c) * 4))->unk6FA8) + 0x80000000);
-//     temp_v0_2 = globalCtx->gfxCtx->polyXlu.p;
-//     globalCtx->gfxCtx->polyXlu.p = (s32) (temp_v0_2 + 8);
-//     temp_v0_2->unk0 = 0xfa000001;
-//     temp_v0_2->unk4 = 0xffff0096;
-//     temp_v0_3 = globalCtx->gfxCtx->polyXlu.p;
-//     globalCtx->gfxCtx->polyXlu.p = (s32) (temp_v0_3 + 8);
-//     temp_v0_3->unk0 = 0xfb000000;
-//     temp_v0_3->unk4 = 0xff0000ff;
-//     temp_v0_4 = globalCtx->gfxCtx->polyXlu.p;
-//     globalCtx->gfxCtx->polyXlu.p = (s32) (temp_v0_4 + 8);
-//     temp_v0_4->unk0 = 0xda380003;
-//     sp28 = temp_v0_4;
-//     sp28->unk4 = func_800D1A88(*arg1, &D_80886D4C, 0x1ca);
-//     temp_v0_5 = globalCtx->gfxCtx->polyXlu.p;
-//     globalCtx->gfxCtx->polyXlu.p = (s32) (temp_v0_5 + 8);
-//     temp_v0_5->unk4 = (s32) (0x6010000 + 0xda80);
-//     temp_v0_5->unk0 = 0xde000000;
-//     func_800C6B54(&sp38, *arg1, &D_80886D68, 0x1cf);
-// }
+    func_800C6B54(&gfx, globalCtx->state.gfxCtx, &D_80886D68, 0x1CF);
+}
diff --git a/src/overlays/actors/ovl_Bg_Hidan_Firewall/z_bg_hidan_firewall.h b/src/overlays/actors/ovl_Bg_Hidan_Firewall/z_bg_hidan_firewall.h
index 96f693de37..d67ffbc8a3 100644
--- a/src/overlays/actors/ovl_Bg_Hidan_Firewall/z_bg_hidan_firewall.h
+++ b/src/overlays/actors/ovl_Bg_Hidan_Firewall/z_bg_hidan_firewall.h
@@ -13,33 +13,31 @@ typedef struct BgHidanFirewall
     /* 0x0000 */ Actor                 actor;
     /* 0x014C */ FirewallFunc*         actionFunc; // idle, countdown, etc
     /* 0x0150 */ s16                   unk_150;
-    /* 0x0154 */ ColliderCylinderMain* collider;
-    /* 0x0158 */ char                  unk_158[0xC];
-    /* 0x0164 */ u8                    unk_164;
-    /* 0x0165 */ char                  unk_166[0x35];
-    /* 0x019A */ Vec3s                 pos_19A;
+    /* 0x0154 */ ColliderCylinderMain  collider;
 } BgHidanFirewall; // size = 0x01A0
 
 extern const ActorInit Bg_Hidan_Firewall_InitVars;
 
 void BgHidanFirewall_Init(BgHidanFirewall* this, GlobalContext* globalCtx);
 void BgHidanFirewall_Destroy(BgHidanFirewall* this, GlobalContext* globalCtx);
-s32  func_80886728(BgHidanFirewall* this, GlobalContext* globalCtx);
+s32  BgHidanFirewall_Proximity(BgHidanFirewall* this, GlobalContext* globalCtx);
 void BgHidanFirewall_Wait(BgHidanFirewall* this, GlobalContext* globalCtx);
 void BgHidanFirewall_Countdown(BgHidanFirewall* this, GlobalContext* globalCtx);
-void func_80886810(BgHidanFirewall* this, GlobalContext* globalCtx);
+void BgHidanFirewall_Erupt(BgHidanFirewall* this, GlobalContext* globalCtx);
 void func_80886898(BgHidanFirewall* this, GlobalContext* globalCtx);
 void func_808868FC(BgHidanFirewall* this, GlobalContext* globalCtx);
 void BgHidanFirewall_Update(BgHidanFirewall* this, GlobalContext* globalCtx);
-void func_80886B34(BgHidanFirewall* this, GlobalContext* globalCtx);
+void BgHidanFirewall_Draw(BgHidanFirewall* this, GlobalContext* globalCtx);
 
-extern char D_80886CFC[8];
-extern char D_80886D04[11 * 4];
-extern void func_80061ED4();
-extern char* D_80886D30; // "../z_bg_hidan_firewall.c
+extern ColliderCylinderMain D_80886CD0;
+extern SubActor98Init D_80886CFC;
+extern u32 D_80886D04[11];
 extern f32 D_80886D84;
 extern f32 D_80886D88;
 extern float D_80886D8C;
-extern ColliderCylinderMain D_80886CD0;
+extern u32 D_0600DA80;
+extern char D_80886D30;
+extern char* D_80886D4C;
+extern char* D_80886D68;
 
 #endif
diff --git a/undefined_syms.txt b/undefined_syms.txt
index c2d7779fd5..4568e85fdd 100644
--- a/undefined_syms.txt
+++ b/undefined_syms.txt
@@ -390,4 +390,20 @@ D_06009244 = 0x06009244;
 D_060041F4 = 0x060041F4;
 D_0600A054 = 0x0600A054;
 D_06008688 = 0x06008688;
-D_04049210 = 0x04049210;
\ No newline at end of file
+D_04049210 = 0x04049210;
+
+// z_en_ani
+D_060067B8 = 0x060067B8;
+D_060070F0 = 0x060070F0;
+D_8002B5EC = 0x8002B5EC;
+D_060076EC = 0x060076EC;
+D_060000F0 = 0x060000F0;
+
+// z_bg_hidan_firewall
+D_0600DA80 = 0x0600DA80;
+
+// z_bg_breakwall
+D_02014F80 = 0x02014F80;
+D_801333E0 = 0x801333E0;
+D_801333D4 = 0x801333D4;
+D_801333E8 = 0x801333E8;
\ No newline at end of file