diff --git a/hwe/_admin2_submit.php b/hwe/_admin2_submit.php
index 0d8fdf2d..6dc61cf8 100644
--- a/hwe/_admin2_submit.php
+++ b/hwe/_admin2_submit.php
@@ -32,9 +32,7 @@ $src = MessageTarget::buildQuick($session->generalID);
 $genObjList = [];
 $env = [];
 if($genlist){
-    foreach($genlist as $genID){
-        $genObjList[$genID] = General::createGeneralObjFromDB($genID);
-    }
+    $genObjList = General::createGeneralObjListFromDB($genlist);
     $env = $gameStor->cacheAll();
 }
 switch($btn) {
diff --git a/hwe/func_gamerule.php b/hwe/func_gamerule.php
index 563dfca6..46a936da 100644
--- a/hwe/func_gamerule.php
+++ b/hwe/func_gamerule.php
@@ -543,9 +543,7 @@ function checkWander() {
 
     $wanderers = $db->queryFirstColumn('SELECT general.`no` FROM general LEFT JOIN nation ON general.nation = nation.nation WHERE nation.`level` = 0 AND general.`level` = 12');
 
-    foreach($wanderers as $wandererID){
-        $wanderer = General::createGeneralObjFromDB($wandererID);
-
+    foreach(General::createGeneralObjListFromDB($wanderers) as $wanderer){
         $wanderCmd = buildGeneralCommandClass('che_해산', $wanderer, $admin);
         if($wanderCmd->isRunnable()){
             $logger = $wanderer->getLogger();
diff --git a/hwe/sammo/Command/General/che_강행.php b/hwe/sammo/Command/General/che_강행.php
index a57e3afc..a85717da 100644
--- a/hwe/sammo/Command/General/che_강행.php
+++ b/hwe/sammo/Command/General/che_강행.php
@@ -138,8 +138,8 @@ class che_강행 extends Command\GeneralCommand{
                     'city'=>$destCityID
                 ], 'no IN %li and nation=%i', $generalList, $general->getNationID());
             }
+
             foreach($generalList as $targetGeneralID){
-                $targetGeneral = General::createGeneralObjFromDB($targetGeneralID, [], 1);
                 $targetLogger = new ActionLogger($targetGeneralID, $general->getNationID(), $env['year'], $env['month']);
                 $targetLogger->pushGeneralActionLog("방랑군 세력이 <G><b>{$destCityName}</b></>{$josaRo} 강행했습니다.", ActionLogger::PLAIN);
                 $targetLogger->flush();
diff --git a/hwe/sammo/Command/General/che_이동.php b/hwe/sammo/Command/General/che_이동.php
index 4886751f..6e344d3f 100644
--- a/hwe/sammo/Command/General/che_이동.php
+++ b/hwe/sammo/Command/General/che_이동.php
@@ -138,7 +138,6 @@ class che_이동 extends Command\GeneralCommand{
                 ], 'no IN %li', $generalList);
             }
             foreach($generalList as $targetGeneralID){
-                $targetGeneral = General::createGeneralObjFromDB($targetGeneralID, [], 1);
                 $targetLogger = new ActionLogger($targetGeneralID, $general->getNationID(), $env['year'], $env['month']);
                 $targetLogger->pushGeneralActionLog("방랑군 세력이 <G><b>{$destCityName}</b></>{$josaRo} 이동했습니다.", ActionLogger::PLAIN);
                 $targetLogger->flush();
diff --git a/hwe/sammo/Command/General/che_출병.php b/hwe/sammo/Command/General/che_출병.php
index be30fa10..77c20122 100644
--- a/hwe/sammo/Command/General/che_출병.php
+++ b/hwe/sammo/Command/General/che_출병.php
@@ -62,7 +62,6 @@ class che_출병 extends Command\GeneralCommand{
             ConstraintHelper::ReqGeneralRice($reqRice),
             ConstraintHelper::AllowWar(),
             ConstraintHelper::HasRoute(),
-            //ConstraintHelper::BattleGroundCity(true),
         ];
     }
 
diff --git a/hwe/sammo/Command/Nation/che_수몰php b/hwe/sammo/Command/Nation/che_수몰php
new file mode 100644
index 00000000..9f681401
--- /dev/null
+++ b/hwe/sammo/Command/Nation/che_수몰php
@@ -0,0 +1,162 @@
+<?php
+namespace sammo\Command\Nation;
+
+use \sammo\{
+    DB, Util, JosaUtil,
+    General, DummyGeneral,
+    ActionLogger,
+    GameConst,
+    LastTurn,
+    GameUnitConst,
+    Command,
+    MessageTarget,
+    Message,
+    CityConst
+};
+
+use function \sammo\{
+    getDomesticExpLevelBonus,
+    CriticalRatioDomestic, 
+    CriticalScoreEx,
+    GetImageURL,
+    function getNationStaticInfo
+};
+
+use \sammo\Constraint\Constraint;
+use \sammo\Constraint\ConstraintHelper;
+use sammo\Event\Action;
+
+class che_수몰 extends Command\NationCommand{
+    static protected $actionName = '수몰';
+    static public $reqArg = false;
+
+    protected function argTest():bool{
+        $this->arg = [];
+
+        return true;
+    }
+
+    protected function init(){
+        $general = $this->generalObj;
+
+        $env = $this->env;
+
+        $this->setCity();
+        $this->setNation(['strategic_cmd_limit']);
+        
+        $this->runnableConstraints=[
+            ConstraintHelper::OccupiedCity(),
+            ConstraintHelper::BeChief(),
+            ConstraintHelper::NotNeutralDestCity(),
+            ConstraintHelper::NotOccupiedDestCity(),
+            ConstraintHelper::BattleGroundCity(),
+            ConstraintHelper::AvailableStrategicCommand()
+        ];
+    }
+    
+    public function getCost():array{
+        return [0, 0];
+    }
+    
+    public function getPreReqTurn():int{
+        return 2;
+    }
+
+    public function getPostReqTurn():int{
+        $genCount = Util::valueFit($this->nation['gennum'], GameConst::$initialNationGenLimit);
+        $nextTerm = Util::round(sqrt($genCount*8)*10);    
+
+        $nextTerm = $this->generalObj->onCalcStrategic($this->getName(), 'delay', $nextTerm);
+        return $nextTerm;
+    }
+
+    public function getBrief():string{
+        $commandName = $this->getName();
+        $destCityName = CityConst::byID($this->arg['destCityID'])->name;
+        $josaUl = JosaUtil::pick($destCityName, '을');
+        return "【{$destCityName}】{$josaUl} {$commandName}";
+    }
+
+    public function run():bool{
+        if(!$this->isRunnable()){
+            throw new \RuntimeException('불가능한 커맨드를 강제로 실행 시도');
+        }
+
+        $db = DB::db();
+
+        $general = $this->generalObj;
+        $generalID = $general->getID();
+        $generalName = $general->getName();
+        $date = $general->getTurnTime($general::TURNTIME_HM);
+
+        $year = $this->env['year'];
+        $month = $this->env['month'];
+
+        $destCity = $this->destCity;
+        $destCityID = $destCity['city'];
+        $destCityName = $destCity['name'];
+
+        $destNationID = $destCity['nation'];
+        $destNationName = getNationStaticInfo($destNationID)['name'];
+        
+        $nationID = $general->getNationID();
+        $nationName = $this->nation['name'];
+
+        $logger = $general->getLogger();
+        $logger->pushGeneralActionLog("수몰 발동! <1>$date</>");
+
+        $general->increaseVar(
+            'experience',
+            $general->onCalcStat($general,
+            'experience', 5 * ($this->getPreReqTurn() + 1)
+        ));
+        $general->increaseVar(
+            'dedication',
+            $general->onCalcStat($general,
+            'dedication', 5 * ($this->getPreReqTurn() + 1)
+        ));
+
+        $josaYi = JosaUtil::pick($generalName, '이');
+
+        $broadcastMessage = "<Y>{$generalName}</>{$josaYi} <G><b>{$destCityName}</b></>에 <M>수몰</>을 발동하였습니다.";
+
+        $targetGeneralList = $db->queryFirstColumn('SELECT no FROM general WHERE nation=%i AND no != %i', $nationID, $generalID);
+        foreach($targetGeneralList as $targetGeneralID){
+            $targetLogger = new ActionLogger($targetGeneralID, $nationID, $year, $month);
+            $targetLogger->pushGeneralActionLog($broadcastMessage, ActionLogger::PLAIN);
+            $targetLogger->flush();
+        }
+
+        $destBroadcastMessage = "<G><b>{$destCityName}</b></>에 <M>수몰</>이 발동되었습니다.";
+
+        $targetGeneralList = $db->queryFirstColumn('SELECT no FROM general WHERE nation=%i', $destNationID);
+        $destNationLogged = false;
+        foreach($targetGeneralList as $targetGeneralID){
+            $targetLogger = new ActionLogger($targetGeneralID, $destNationID, $year, $month);
+            $targetLogger->pushGeneralActionLog($destBroadcastMessage, ActionLogger::PLAIN);
+            if(!$destNationLogged){
+                $targetLogger->pushNationalHistoryLog(
+                    "<D><b>{$nationName}</b></>의 <Y>{$generalName}</>{$josaYi} 아국의 <G><b>{$destCityName}</b></>에 <M>수몰</>을 발동", ActionLogger::PLAIN
+                );
+                $destNationLogged = true;
+            }
+            $targetLogger->flush();
+        }
+
+        $db->update('city', [
+            'def' => $db->sqleval('def * 0.2'),
+            'wall' => $db->sqleval('wall * 0.2'),
+        ], 'city=%i', $destCityID);
+        
+
+        $logger->pushGeneralHistoryLog('<M>수몰</>을 발동');
+        $logger->pushNationalHistoryLog("<Y>{$generalName}</>{$josaYi} <D><b>{$destNationName}</b></>의 <G><b>{$destCityName}</b></>에 <M>수몰</>을 발동");
+
+        $db->update('nation', ['strategic_cmd_limit' => $this->getPostReqTurn()], 'nation=%i', $nationID);
+
+        $general->setResultTurn(new LastTurn($this->getName(), $this->arg, 0));
+        $general->applyDB($db);
+
+        return true;
+    }
+}
\ No newline at end of file
diff --git a/hwe/sammo/Command/Nation/che_필사즉생.php b/hwe/sammo/Command/Nation/che_필사즉생.php
index 0656dd5a..18dc0851 100644
--- a/hwe/sammo/Command/Nation/che_필사즉생.php
+++ b/hwe/sammo/Command/Nation/che_필사즉생.php
@@ -48,7 +48,7 @@ class che_필사즉생 extends Command\NationCommand{
             ConstraintHelper::AllowDiplomacyStatus($this->generalObj->getNationID(), [
                 0
             ], '전쟁중이 아닙니다.'),
-            ConstraintHelper::ReqNationValue('strategic_cmd_limit', '전략기한', '==', 0, '전략기한이 남았습니다.')
+            ConstraintHelper::AvailableStrategicCommand()
         ];
     }
     
@@ -61,7 +61,11 @@ class che_필사즉생 extends Command\NationCommand{
     }
 
     public function getPostReqTurn():int{
-        return 0;
+        $genCount = Util::valueFit($this->nation['gennum'], GameConst::$initialNationGenLimit);
+        $nextTerm = Util::round(sqrt($genCount*4)*10);    
+
+        $nextTerm = $this->generalObj->onCalcStrategic($this->getName(), 'delay', $nextTerm);
+        return $nextTerm;
     }
 
     public function run():bool{
@@ -82,18 +86,23 @@ class che_필사즉생 extends Command\NationCommand{
         $logger = $general->getLogger();
         $logger->pushGeneralActionLog("필사즉생 발동! <1>$date</>");
 
-        $exp = 5 * ($this->getPreReqTurn() + 1);
-        $ded = 5 * ($this->getPreReqTurn() + 1);
-
-        $exp = $general->onCalcStat($general, 'experience', $exp);
-        $ded = $general->onCalcStat($general, 'dedication', $ded);
+        $general->increaseVar(
+            'experience',
+            $general->onCalcStat($general,
+            'experience', 5 * ($this->getPreReqTurn() + 1)
+        ));
+        $general->increaseVar(
+            'dedication',
+            $general->onCalcStat($general,
+            'dedication', 5 * ($this->getPreReqTurn() + 1)
+        ));
 
         $josaYi = JosaUtil::pick($generalName, '이');
 
         $broadcastMessage = "<Y>{$generalName}</>{$josaYi} <M>필사즉생</>을 발동하였습니다.";
 
-        foreach($db->queryFirstColumn('SELECT no FROM general WHERE nation=%i AND no != %i', $nationID, $generalID) as $targetGeneralID){
-            $targetGeneral = General::createGeneralObjFromDB($targetGeneralID, ['train', 'atmos'], 1);
+        $targetGeneralList = $db->queryFirstColumn('SELECT no FROM general WHERE nation=%i AND no != %i', $nationID, $generalID);
+        foreach(General::createGeneralObjListFromDB($targetGeneralList, ['train', 'atmos'], 1) as $targetGeneral){
             $targetGeneral->getLogger()->pushGeneralActionLog($broadcastMessage, ActionLogger::PLAIN);
             if($targetGeneral->getVar('train') < 100){
                 $targetGeneral->setVar('train', 100);
@@ -102,7 +111,6 @@ class che_필사즉생 extends Command\NationCommand{
                 $targetGeneral->setVar('atmos', 100);
             } 
             
-            
             $targetGeneral->applyDB($db);
         }
 
diff --git a/hwe/sammo/Constraint/AvailableStrategicCommand.php b/hwe/sammo/Constraint/AvailableStrategicCommand.php
new file mode 100644
index 00000000..f0c33eb9
--- /dev/null
+++ b/hwe/sammo/Constraint/AvailableStrategicCommand.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace sammo\Constraint;
+
+class AvailableStrategicCommand extends Constraint{
+    const REQ_VALUES = Constraint::REQ_NATION;
+
+    public function checkInputValues(bool $throwExeception=true):bool{
+        if(!parent::checkInputValues($throwExeception) && !$throwExeception){
+            return false;
+        }
+
+        if(!key_exists('strategic_cmd_limit', $this->nation)){
+            if(!$throwExeception){return false; }
+            throw new \InvalidArgumentException("require strategic_cmd_limit in nation");
+        }
+
+        return true;
+    }
+
+    public function test():bool{
+        $this->checkInputValues();
+        $this->tested = true;
+
+        if($this->nation['strategic_cmd_limit'] == 0){
+            return true;
+        }
+
+        $this->reason = "전략기한이 남았습니다.";
+        return false;
+    }
+}
\ No newline at end of file
diff --git a/hwe/sammo/Constraint/BattleGroundCity.php b/hwe/sammo/Constraint/BattleGroundCity.php
index ae6f0dd8..f92f2143 100644
--- a/hwe/sammo/Constraint/BattleGroundCity.php
+++ b/hwe/sammo/Constraint/BattleGroundCity.php
@@ -4,7 +4,7 @@ namespace sammo\Constraint;
 use \sammo\DB;
 
 class BattleGroundCity extends Constraint{
-    const REQ_VALUES = Constraint::REQ_GENERAL|Constraint::REQ_DEST_CITY|Constraint::REQ_BOOLEAN_ARG;
+    const REQ_VALUES = Constraint::REQ_GENERAL|Constraint::REQ_DEST_CITY;
 
     public function checkInputValues(bool $throwExeception=true):bool{
         if(!parent::checkInputValues($throwExeception) && !$throwExeception){
diff --git a/hwe/sammo/Constraint/ConstraintHelper.php b/hwe/sammo/Constraint/ConstraintHelper.php
index d332e094..f5625fa4 100644
--- a/hwe/sammo/Constraint/ConstraintHelper.php
+++ b/hwe/sammo/Constraint/ConstraintHelper.php
@@ -36,8 +36,12 @@ class ConstraintHelper{
         return [__FUNCTION__, $crewTypeID];
     }
 
-    static function BattleGroundCity(bool $ignoreSameNation=false):array{
-        return [__FUNCTION__, $ignoreSameNation];
+    static function AvailableStrategicCommand():array{
+        return [__FUNCTION__];
+    }
+
+    static function BattleGroundCity():array{
+        return [__FUNCTION__];
     }
 
     static function BeChief():array{
diff --git a/hwe/sammo/General.php b/hwe/sammo/General.php
index c7a735c8..44d6255c 100644
--- a/hwe/sammo/General.php
+++ b/hwe/sammo/General.php
@@ -664,16 +664,7 @@ class General implements iAction{
 
     //TODO:createGeneralObjListFromDB로, 조건으로 select query나 generalIDList가 들어가는 녀석이 필요할 수 있음
 
-    static public function createGeneralObjFromDB(int $generalID, ?array $column=null, int $constructMode=2):self{
-        $db = DB::db();
-        if($constructMode > 0){
-            $gameStor = KVStorage::getStorage($db, 'game_env');
-            [$year, $month] = $gameStor->getValuesAsArray(['year', 'month']);
-        }
-        else{
-            $year = null;
-            $month = null;
-        }
+    static private function mergeQueryColumn(?array $column=null, int $constructMode=2):array{
         $minimumColumn = ['no', 'name', 'city', 'nation', 'level'];
         $defaultEventColumn = [
             'no', 'name', 'city', 'nation', 'level',
@@ -692,14 +683,69 @@ class General implements iAction{
         ];
 
         if($column === null){
-            $column = $fullColumn;
+            return $fullColumn;
         }
         else if($constructMode > 1){
-            $column = array_unique(array_merge($defaultEventColumn, $column));
+            return array_unique(array_merge($defaultEventColumn, $column));
         }
         else{
-            $column = array_unique(array_merge($minimumColumn, $column));
+            return array_unique(array_merge($minimumColumn, $column));
         }
+    }
+
+    /**
+     * @param int[] $generalIDList 
+     * @param null|string[] $column 
+     * @param int $constructMode 
+     * @return \sammo\General[]
+     * @throws MustNotBeReachedException 
+     */
+    static public function createGeneralObjListFromDB(array $generalIDList, ?array $column=null, int $constructMode=2):array{
+        if(!$generalIDList){
+            return [];
+        }
+        
+        $db = DB::db();
+        if($constructMode > 0){
+            $gameStor = KVStorage::getStorage($db, 'game_env');
+            [$year, $month] = $gameStor->getValuesAsArray(['year', 'month']);
+        }
+        else{
+            $year = null;
+            $month = null;
+        }
+        
+        $column = static::mergeQueryColumn($column, $constructMode);
+
+        $rawGenerals = Util::convertArrayToDict(
+            $db->queryFirstRow('SELECT %l FROM general WHERE no IN %li', Util::formatListOfBackticks($column), $generalIDList),
+            'no'
+        );
+
+        $result = [];
+        foreach($generalIDList as $generalID){
+            if(!key_exists($generalID, $rawGenerals)){
+                $result[$generalID] = new DummyGeneral($constructMode > 0);
+                continue;
+            }
+            $result[$generalID] = new static($rawGenerals[$generalID], null, $year, $month, $constructMode > 1);
+        }
+        
+        return $result;
+    }
+
+    static public function createGeneralObjFromDB(int $generalID, ?array $column=null, int $constructMode=2):self{
+        $db = DB::db();
+        if($constructMode > 0){
+            $gameStor = KVStorage::getStorage($db, 'game_env');
+            [$year, $month] = $gameStor->getValuesAsArray(['year', 'month']);
+        }
+        else{
+            $year = null;
+            $month = null;
+        }
+        
+        $column = static::mergeQueryColumn($column, $constructMode);
 
         $rawGeneral = $db->queryFirstRow('SELECT %l FROM general WHERE no = %i', Util::formatListOfBackticks($column), $generalID);
         if(!$rawGeneral){