diff --git a/config/SOUE01/rels/d_t_defeat_bossNP/symbols.txt b/config/SOUE01/rels/d_t_defeat_bossNP/symbols.txt
index 7c8d6338..b68a2c57 100644
--- a/config/SOUE01/rels/d_t_defeat_bossNP/symbols.txt
+++ b/config/SOUE01/rels/d_t_defeat_bossNP/symbols.txt
@@ -2,16 +2,16 @@ _prolog = .text:0x00000000; // type:function size:0x2C scope:global
 _epilog = .text:0x00000030; // type:function size:0x2C scope:global
 _unresolved = .text:0x00000060; // type:function size:0x4 scope:global
 dTgDefeatBoss_c_classInit__Fv = .text:0x00000070; // type:function size:0x4C
-fn_494_C0 = .text:0x000000C0; // type:function size:0xC
-fn_494_D0 = .text:0x000000D0; // type:function size:0x84
-TgDefeatBoss__init = .text:0x00000160; // type:function size:0xCC
-TgDefeatBoss__update = .text:0x00000230; // type:function size:0x120
-TgDefeatBoss__getSceneflag = .text:0x00000350; // type:function size:0xC
-fn_494_360 = .text:0x00000360; // type:function size:0xC
-TgDefeatBoss__getStoryflag = .text:0x00000370; // type:function size:0xC
-fn_494_380 = .text:0x00000380; // type:function size:0xC
+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
+getSceneflagPolarity__15dTgDefeatBoss_cFv = .text:0x00000360; // type:function size:0xC
+getStoryflag__15dTgDefeatBoss_cFv = .text:0x00000370; // 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
 g_profile_TAG_DEFEAT_BOSS = .data:0x00000000; // type:object size:0x10
-lbl_494_section4_10 = .data:0x00000010; // type:object size:0x74
+__vt__15dTgDefeatBoss_c = .data:0x00000010; // type:object size:0x74
diff --git a/include/d/t/d_t_defeat_boss.h b/include/d/t/d_t_defeat_boss.h
index 35d66f5b..dfb3d022 100644
--- a/include/d/t/d_t_defeat_boss.h
+++ b/include/d/t/d_t_defeat_boss.h
@@ -7,8 +7,23 @@ class dTgDefeatBoss_c : public dTg_c {
 public:
     dTgDefeatBoss_c() {}
     virtual ~dTgDefeatBoss_c() {}
+    u16 getSceneflag();
+    s32 getSceneflagPolarity();
+    u32 getStoryflag();
+    s32 getStoryflagPolarity();
+    static void getDungeonFlagIndex(u32 &outFlagIdx);
+    bool checkDungeonFlag();
+    virtual int create() override;
+    virtual int actorExecute() override;
+
+    
+
 
 private:
+    /* 0xFC */ s8 mSceneflagPolarity;
+    /* 0xFD */ s8 mStoryflagPolarity;
 };
 
+
+
 #endif
diff --git a/src/REL/d/t/d_t_defeat_boss.cpp b/src/REL/d/t/d_t_defeat_boss.cpp
index 5e649112..3ca33716 100644
--- a/src/REL/d/t/d_t_defeat_boss.cpp
+++ b/src/REL/d/t/d_t_defeat_boss.cpp
@@ -1,3 +1,88 @@
 #include "d/t/d_t_defeat_boss.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);
+
+
+void dTgDefeatBoss_c::getDungeonFlagIndex(u32 &outFlagIdx) {
+    outFlagIdx = 0x3;
+}
+
+bool dTgDefeatBoss_c::checkDungeonFlag() {
+    u32 dungeonFlagIdx;
+    getDungeonFlagIndex(dungeonFlagIdx);
+    return DungeonflagManager::sInstance->getCounterOrFlag(dungeonFlagIdx, 8) != 0;
+}
+
+int dTgDefeatBoss_c::create() {
+    if (checkDungeonFlag()) {
+        return FAILED;
+    }
+
+    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::actorExecute() {
+    if (checkDungeonFlag()) {
+        switch (mSceneflagPolarity) {
+            case 0x0: {
+                SceneflagManager::sInstance->unsetFlag(mRoomID, getSceneflag());
+            } break;
+            case 0x1: {
+                SceneflagManager::sInstance->setFlag(mRoomID, getSceneflag());
+            } 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;
+}
+
+u16 dTgDefeatBoss_c::getSceneflag() {
+    return mParams & 0xff;
+}
+
+
+s32 dTgDefeatBoss_c::getSceneflagPolarity() {
+    return mParams >> 0x8 & 0x1;
+
+}
+
+u32 dTgDefeatBoss_c::getStoryflag() {
+    return mParams >> 9 & 0xffff;
+}
+
+s32 dTgDefeatBoss_c::getStoryflagPolarity() {
+
+    return (mParams >> 0x19) & 0x1;
+
+}
+