diff --git a/config/SOUE01/rels/d_t_defeat_bossNP/symbols.txt b/config/SOUE01/rels/d_t_defeat_bossNP/symbols.txt
index da091c9e..732d3c42 100644
--- a/config/SOUE01/rels/d_t_defeat_bossNP/symbols.txt
+++ b/config/SOUE01/rels/d_t_defeat_bossNP/symbols.txt
@@ -5,11 +5,14 @@ dTgDefeatBoss_c_classInit__Fv = .text:0x00000070; // type:function size:0x4C
 fn_494_C0__15dTgDefeatBoss_cFv = .text:0x000000C0; // type:function size:0xC
 fn_494_D0__15dTgDefeatBoss_cFv = .text:0x000000D0; // type:function size:0x84
 init__15dTgDefeatBoss_cFv = .text:0x00000160; // type:function size:0xCC
-update__15dTgDefeatBoss_cFv = .text:0x00000230; // type:function size:0x120
+getDungeonFlagIndex__15dTgDefeatBoss_cFRUl = .text:0x000000C0; // type:function size:0xC
+checkDungeonFlag__15dTgDefeatBoss_cFv = .text:0x000000D0; // type:function size:0x84
+create__15dTgDefeatBoss_cFv = .text:0x00000160; // type:function size:0xCC
+actorExecute__15dTgDefeatBoss_cFv = .text:0x00000230; // type:function size:0x120
 getSceneflag__15dTgDefeatBoss_cFv = .text:0x00000350; // type:function size:0xC
-fn_494_360__15dTgDefeatBoss_cFv = .text:0x00000360; // type:function size:0xC
+getSceneflagPolarity__15dTgDefeatBoss_cFv = .text:0x00000360; // type:function size:0xC
 getStoryflag__15dTgDefeatBoss_cFv = .text:0x00000370; // type:function size:0xC
-fn_494_380__15dTgDefeatBoss_cFv = .text:0x00000380; // type:function size:0xC
+getStoryflagPolarity__15dTgDefeatBoss_cFv = .text:0x00000380; // type:function size:0xC
 __dt__15dTgDefeatBoss_cFv = .text:0x00000390; // type:function size:0x5C
 _ctors = .ctors:0x00000000; // type:label scope:global
 _dtors = .dtors:0x00000000; // type:label scope:global
diff --git a/include/d/t/d_t_defeat_boss.h b/include/d/t/d_t_defeat_boss.h
index 6fb783e6..1caa51a6 100644
--- a/include/d/t/d_t_defeat_boss.h
+++ b/include/d/t/d_t_defeat_boss.h
@@ -13,14 +13,19 @@ public:
     u16 getStoryflag();
     u16 fn_494_380();
     static void getDungeonFlagIndex(u32 &outFlagIdx);
-    bool fn_494_D0();
-    bool init();
+    bool checkDungeonFlag();
+    virtual int create() override;
+    virtual int actorExecute() override;
 
-    /* 0xFC */ u8 var8_1;//area?
-    /* 0xFD */ u8 var8_2;//scene flag? I assume this is only 2 byte
+    u16 getSceneflag();
+    s32 getSceneflagPolarity();
+    u32 getStoryflag();
+    s32 getStoryflagPolarity();
 
 
 private:
+    /* 0xFC */ s8 mSceneflagPolarity;
+    /* 0xFD */ s8 mStoryflagPolarity;
 };
 
 
diff --git a/src/REL/d/t/d_t_defeat_boss.cpp b/src/REL/d/t/d_t_defeat_boss.cpp
index 1d7ff4d6..b088493f 100644
--- a/src/REL/d/t/d_t_defeat_boss.cpp
+++ b/src/REL/d/t/d_t_defeat_boss.cpp
@@ -1,8 +1,9 @@
 #include "d/t/d_t_defeat_boss.h"
-#include "d/flag/storyflag_manager.h"
-#include "d/flag/sceneflag_manager.h"
-#include "d/flag/dungeonflag_manager.h"
+
 #include "common.h"
+#include "d/flag/dungeonflag_manager.h"
+#include "d/flag/sceneflag_manager.h"
+#include "d/flag/storyflag_manager.h"
 
 SPECIAL_ACTOR_PROFILE(TAG_DEFEAT_BOSS, dTgDefeatBoss_c, fProfile::TAG_DEFEAT_BOSS, 0x29E, 0, 0);
 
@@ -10,58 +11,36 @@ void dTgDefeatBoss_c::fn_494_C0() {
 
     mID = (fBaseID_e)0x3;
     return;
-
+void dTgDefeatBoss_c::getDungeonFlagIndex(u32 &outFlagIdx) {
+    outFlagIdx = 0x3;
 }
 
-bool dTgDefeatBoss_c::fn_494_D0() {//checks if valid dungeion flag?
-
-    DungeonflagManager* pDVar2;
-    u16 sVar4;
-
-    fn_494_C0();
-    pDVar2 = DungeonflagManager::sInstance;
-    sVar4 = pDVar2->getCounterOrFlag(mID, (u32)8);
-
-    return sVar4 != 0;
-
+bool dTgDefeatBoss_c::checkDungeonFlag() {
+    u32 dungeonFlagIdx;
+    getDungeonFlagIndex(dungeonFlagIdx);
+    return DungeonflagManager::sInstance->getCounterOrFlag(dungeonFlagIdx, 8) != 0;
 }
 
-bool dTgDefeatBoss_c::init() {
-
-    u16 uVar1;
-    u16 uVar2;
-    u16 iVar3;
-    u16 bVar4;
-    u32 uVar5;
-    u16 counterIdx;
-
-    bVar4 = fn_494_D0();
-    if (bVar4) {
-        uVar1 = 2;
+int dTgDefeatBoss_c::create() {
+    if (checkDungeonFlag()) {
+        return FAILED;
     }
-    else {
-        uVar5 = fn_494_360();
-        var8_1 = uVar5;
-        uVar2 = getSceneflag();
-        if ((uVar2 & 0xffff) > 0xfe) {
-            var8_1 = 0xff;
-        }
-        uVar5 = fn_494_380();
-        var8_2 = uVar5;
-        counterIdx = getStoryflag();
-        iVar3 = StoryflagManager::sInstance->checkFlagValid(counterIdx);
-        if (iVar3 == 0) {
-            var8_2 = 0xff;
-        }
-        if (var8_1 == -1 && var8_2 == -1) {
-            uVar1 = 2;
-        }
-        else {
-            uVar1 = 1;
-        }
-    }
-    return uVar1;
 
+    mSceneflagPolarity = getSceneflagPolarity();
+    if (getSceneflag() >= 0xFF) {
+        mSceneflagPolarity = -1;
+    }
+
+    mStoryflagPolarity = getStoryflagPolarity();
+    if (!StoryflagManager::sInstance->checkFlagValid(getStoryflag())) {
+        mStoryflagPolarity = -1;
+    }
+
+    if (mSceneflagPolarity == -1 && mStoryflagPolarity == -1) {
+        return FAILED;
+    }
+
+    return SUCCEEDED;
 }
 
 int dTgDefeatBoss_c::update() {
@@ -85,24 +64,28 @@ int dTgDefeatBoss_c::update() {
             SceneflagManager::sInstance->setFlag
             (/*SceneflagManager::sInstance,*/ (u16)/*(param_1->base).members.roomid*/mRoomID & 0xffff,
                 (u16)uVar2 & 0xffff);
-            break;
+int dTgDefeatBoss_c::actorExecute() {
+    if (checkDungeonFlag()) {
+        switch (mSceneflagPolarity) {
+            case 0x0: {
+                SceneflagManager::sInstance->unsetFlag(mRoomID, getSceneflag());
+            } break;
+            case 0x1: {
+                SceneflagManager::sInstance->setFlag(mRoomID, getSceneflag());
+            } break;
         }
-        //pSVar1 = StoryflagManager::sInstance;
-        switch (var8_2) {
-        case 0x0:
-            pSVar1 = StoryflagManager::sInstance;
-            SVar3 = getStoryflag();
-            pSVar1->unsetFlag(SVar3);
-            break;
-        case 0x1:
-            pSVar1 = StoryflagManager::sInstance;
-            SVar3 = getStoryflag();
-            pSVar1->setFlag(SVar3);
-            break;
+        switch (mStoryflagPolarity) {
+            case 0x0: {
+                StoryflagManager *pStoryflagMgr = StoryflagManager::sInstance;
+                pStoryflagMgr->unsetFlag(getStoryflag());
+            } break;
+            case 0x1: {
+                StoryflagManager *pStoryflagMgr = StoryflagManager::sInstance;
+                pStoryflagMgr->setFlag(getStoryflag());
+            } break;
         }
         fBase_c::deleteRequest();
     }
-
     return SUCCEEDED;
 }
 
@@ -111,12 +94,12 @@ u16 dTgDefeatBoss_c::getSceneflag() {
 }
 
 u16 dTgDefeatBoss_c::fn_494_360() {
-
+s32 dTgDefeatBoss_c::getSceneflagPolarity() {
     return mParams >> 0x8 & 0x1;
 
 }
 
-u16 dTgDefeatBoss_c::getStoryflag() {
+u32 dTgDefeatBoss_c::getStoryflag() {
     return mParams >> 9 & 0xffff;
 }