diff --git a/hwe/sammo/API/InheritAction/BuyHiddenBuff.php b/hwe/sammo/API/InheritAction/BuyHiddenBuff.php
index 2c0dd284..8aadee57 100644
--- a/hwe/sammo/API/InheritAction/BuyHiddenBuff.php
+++ b/hwe/sammo/API/InheritAction/BuyHiddenBuff.php
@@ -67,6 +67,10 @@ class BuyHiddenBuff extends \sammo\BaseAPI
         $reqAmount = GameConst::$inheritBuffPoints[$level] -  GameConst::$inheritBuffPoints[$prevLevel];
 
         $db = DB::db();
+        $gameStor = KVStorage::getStorage($db, 'game_env');
+        if($gameStor->isunited){
+            return '이미 천하가 통일되었습니다.';
+        }
         $inheritStor = KVStorage::getStorage($db, "inheritance_{$userID}");
         $previousPoint = ($inheritStor->getValue('previous') ?? [0,0])[0];
         if ($previousPoint < $reqAmount) {
diff --git a/hwe/sammo/API/InheritAction/BuyRandomUnique.php b/hwe/sammo/API/InheritAction/BuyRandomUnique.php
index e8e77b66..6c134cd7 100644
--- a/hwe/sammo/API/InheritAction/BuyRandomUnique.php
+++ b/hwe/sammo/API/InheritAction/BuyRandomUnique.php
@@ -40,6 +40,10 @@ class BuyRandomUnique extends \sammo\BaseAPI
         }
 
         $db = DB::db();
+        $gameStor = KVStorage::getStorage($db, 'game_env');
+        if($gameStor->isunited){
+            return '이미 천하가 통일되었습니다.';
+        }
         $inheritStor = KVStorage::getStorage($db, "inheritance_{$userID}");
         $previousPoint = ($inheritStor->getValue('previous')??[0, 0])[0];
         $reqAmount = GameConst::$inheritItemRandomPoint;
diff --git a/hwe/sammo/API/InheritAction/ResetSpecialWar.php b/hwe/sammo/API/InheritAction/ResetSpecialWar.php
index 62bb6025..1aff877d 100644
--- a/hwe/sammo/API/InheritAction/ResetSpecialWar.php
+++ b/hwe/sammo/API/InheritAction/ResetSpecialWar.php
@@ -51,6 +51,11 @@ class ResetSpecialWar extends \sammo\BaseAPI
         $reqPoint = GameConst::$inheritResetAttrPointBase[$nextLevel];
 
         $db = DB::db();
+        $gameStor = KVStorage::getStorage($db, 'game_env');
+        if($gameStor->isunited){
+            return '이미 천하가 통일되었습니다.';
+        }
+
         $inheritStor = KVStorage::getStorage($db, "inheritance_{$userID}");
         $previousPoint = ($inheritStor->getValue('previous') ?? [0, 0])[0];
         if ($previousPoint < $reqPoint) {
diff --git a/hwe/sammo/API/InheritAction/ResetTurnTime.php b/hwe/sammo/API/InheritAction/ResetTurnTime.php
index 479608a6..b0537bc6 100644
--- a/hwe/sammo/API/InheritAction/ResetTurnTime.php
+++ b/hwe/sammo/API/InheritAction/ResetTurnTime.php
@@ -50,6 +50,10 @@ class ResetTurnTime extends \sammo\BaseAPI
         $reqPoint = GameConst::$inheritResetAttrPointBase[$nextLevel];
 
         $db = DB::db();
+        $gameStor = KVStorage::getStorage($db, 'game_env');
+        if($gameStor->isunited){
+            return '이미 천하가 통일되었습니다.';
+        }
         $inheritStor = KVStorage::getStorage($db, "inheritance_{$userID}");
         $previousPoint = ($inheritStor->getValue('previous') ?? [0, 0])[0];
         if ($previousPoint < $reqPoint) {
diff --git a/hwe/sammo/API/InheritAction/SetNextSpecialWar.php b/hwe/sammo/API/InheritAction/SetNextSpecialWar.php
index 30a31e51..a865293d 100644
--- a/hwe/sammo/API/InheritAction/SetNextSpecialWar.php
+++ b/hwe/sammo/API/InheritAction/SetNextSpecialWar.php
@@ -65,6 +65,10 @@ class SetNextSpecialWar extends \sammo\BaseAPI
         $reqAmount = GameConst::$inheritSpecificSpecialPoint;
 
         $db = DB::db();
+        $gameStor = KVStorage::getStorage($db, 'game_env');
+        if($gameStor->isunited){
+            return '이미 천하가 통일되었습니다.';
+        }
         $inheritStor = KVStorage::getStorage($db, "inheritance_{$userID}");
         $previousPoint = ($inheritStor->getValue('previous') ?? [0, 0])[0];
         if ($previousPoint < $reqAmount) {