diff --git a/hwe/sammo/Command/Nation/event_극병연구.php b/hwe/sammo/Command/Nation/event_극병연구.php
new file mode 100644
index 00000000..fd67938b
--- /dev/null
+++ b/hwe/sammo/Command/Nation/event_극병연구.php
@@ -0,0 +1,88 @@
+<?php
+namespace sammo\Command\Nation;
+
+use \sammo\Command;
+use sammo\Constraint\ConstraintHelper;
+use sammo\DB;
+use sammo\Enums\InheritanceKey;
+use sammo\Enums\NationAuxKey;
+use \sammo\Util;
+use \sammo\JosaUtil;
+use sammo\Json;
+use sammo\LastTurn;
+use sammo\StaticEventHandler;
+
+class event_극병연구 extends Command\NationCommand{
+    static protected $actionName = '극병 연구';
+    static protected $auxType = NationAuxKey::can_극병사용;
+
+    protected function argTest():bool{
+        return true;
+    }
+
+    protected function init(){
+        $this->setNation(['gold','rice','aux']);
+        $this->fullConditionConstraints=[];
+
+        $name = static::$actionName;
+
+        $this->minConditionConstraints = [
+            ConstraintHelper::OccupiedCity(),
+            ConstraintHelper::BeChief(),
+            ConstraintHelper::ReqNationAuxValue(static::$auxType->value, 0, "<", 1, "{$name}가 이미 완료되었습니다."),
+        ];
+    }
+
+    public function getPreReqTurn():int{
+        return 23;
+    }
+
+    public function getPostReqTurn():int{
+        return 0;
+    }
+
+    public function getCost():array{
+        return [100000, 100000];
+    }
+
+    public function run(\Sammo\RandUtil $rng):bool{
+        if(!$this->hasFullConditionMet()){
+            throw new \RuntimeException('불가능한 커맨드를 강제로 실행 시도');
+        }
+        
+        $db = DB::db();
+        $general = $this->generalObj;
+        $nationID = $general->getNationID();
+
+        $actionName = static::$actionName;
+        
+        $aux = $this->nation['aux'];
+        $aux[static::$auxType->value] = 1;
+        [$reqGold, $reqRice] = $this->getCost();
+
+        $logger = $general->getLogger();
+
+        $general->addExperience(5 * ($this->getPreReqTurn() + 1));
+        $general->addDedication(5 * ($this->getPreReqTurn() + 1));
+
+        $generalName = $general->getName();
+        $josaYi = JosaUtil::pick($generalName, '이');
+        
+        $db->update('nation', [
+            'gold' => $db->sqleval('gold - %i', $reqGold),
+            'rice' => $db->sqleval('rice - %i', $reqRice),
+            'aux' => Json::encode($aux),
+        ], 'nation=%i', $nationID);
+
+        $logger->pushGeneralActionLog("<M>{$actionName}</> 완료");
+        $logger->pushGeneralHistoryLog("<M>{$actionName}</> 완료");
+        $logger->pushNationalHistoryLog("<Y>{$generalName}</>{$josaYi} <M>{$actionName}</> 완료");
+
+        $general->increaseInheritancePoint(InheritanceKey::active_action, 1);
+        StaticEventHandler::handleEvent($this->generalObj, $this->destGeneralObj, $this::class, $this->env, $this->arg ?? []);
+        $this->setResultTurn(new LastTurn($this->getName(), $this->arg, 0));
+        $general->applyDB($db);
+        
+        return true;
+    }
+}
\ No newline at end of file
diff --git a/hwe/sammo/Command/Nation/event_대검병연구.php b/hwe/sammo/Command/Nation/event_대검병연구.php
new file mode 100644
index 00000000..b8c9bd05
--- /dev/null
+++ b/hwe/sammo/Command/Nation/event_대검병연구.php
@@ -0,0 +1,88 @@
+<?php
+namespace sammo\Command\Nation;
+
+use \sammo\Command;
+use sammo\Constraint\ConstraintHelper;
+use sammo\DB;
+use sammo\Enums\InheritanceKey;
+use sammo\Enums\NationAuxKey;
+use \sammo\Util;
+use \sammo\JosaUtil;
+use sammo\Json;
+use sammo\LastTurn;
+use sammo\StaticEventHandler;
+
+class event_대검병연구 extends Command\NationCommand{
+    static protected $actionName = '대검병 연구';
+    static protected $auxType = NationAuxKey::can_대검병사용;
+
+    protected function argTest():bool{
+        return true;
+    }
+
+    protected function init(){
+        $this->setNation(['gold','rice','aux']);
+        $this->fullConditionConstraints=[];
+
+        $name = static::$actionName;
+
+        $this->minConditionConstraints = [
+            ConstraintHelper::OccupiedCity(),
+            ConstraintHelper::BeChief(),
+            ConstraintHelper::ReqNationAuxValue(static::$auxType->value, 0, "<", 1, "{$name}가 이미 완료되었습니다."),
+        ];
+    }
+
+    public function getPreReqTurn():int{
+        return 11;
+    }
+
+    public function getPostReqTurn():int{
+        return 0;
+    }
+
+    public function getCost():array{
+        return [50000, 50000];
+    }
+
+    public function run(\Sammo\RandUtil $rng):bool{
+        if(!$this->hasFullConditionMet()){
+            throw new \RuntimeException('불가능한 커맨드를 강제로 실행 시도');
+        }
+        
+        $db = DB::db();
+        $general = $this->generalObj;
+        $nationID = $general->getNationID();
+
+        $actionName = static::$actionName;
+        
+        $aux = $this->nation['aux'];
+        $aux[static::$auxType->value] = 1;
+        [$reqGold, $reqRice] = $this->getCost();
+
+        $logger = $general->getLogger();
+
+        $general->addExperience(5 * ($this->getPreReqTurn() + 1));
+        $general->addDedication(5 * ($this->getPreReqTurn() + 1));
+
+        $generalName = $general->getName();
+        $josaYi = JosaUtil::pick($generalName, '이');
+        
+        $db->update('nation', [
+            'gold' => $db->sqleval('gold - %i', $reqGold),
+            'rice' => $db->sqleval('rice - %i', $reqRice),
+            'aux' => Json::encode($aux),
+        ], 'nation=%i', $nationID);
+
+        $logger->pushGeneralActionLog("<M>{$actionName}</> 완료");
+        $logger->pushGeneralHistoryLog("<M>{$actionName}</> 완료");
+        $logger->pushNationalHistoryLog("<Y>{$generalName}</>{$josaYi} <M>{$actionName}</> 완료");
+
+        $general->increaseInheritancePoint(InheritanceKey::active_action, 1);
+        StaticEventHandler::handleEvent($this->generalObj, $this->destGeneralObj, $this::class, $this->env, $this->arg ?? []);
+        $this->setResultTurn(new LastTurn($this->getName(), $this->arg, 0));
+        $general->applyDB($db);
+        
+        return true;
+    }
+}
\ No newline at end of file
diff --git a/hwe/sammo/Command/Nation/event_무희연구.php b/hwe/sammo/Command/Nation/event_무희연구.php
new file mode 100644
index 00000000..fe543599
--- /dev/null
+++ b/hwe/sammo/Command/Nation/event_무희연구.php
@@ -0,0 +1,88 @@
+<?php
+namespace sammo\Command\Nation;
+
+use \sammo\Command;
+use sammo\Constraint\ConstraintHelper;
+use sammo\DB;
+use sammo\Enums\InheritanceKey;
+use sammo\Enums\NationAuxKey;
+use \sammo\Util;
+use \sammo\JosaUtil;
+use sammo\Json;
+use sammo\LastTurn;
+use sammo\StaticEventHandler;
+
+class event_무희연구 extends Command\NationCommand{
+    static protected $actionName = '무희 연구';
+    static protected $auxType = NationAuxKey::can_무희사용;
+
+    protected function argTest():bool{
+        return true;
+    }
+
+    protected function init(){
+        $this->setNation(['gold','rice','aux']);
+        $this->fullConditionConstraints=[];
+
+        $name = static::$actionName;
+
+        $this->minConditionConstraints = [
+            ConstraintHelper::OccupiedCity(),
+            ConstraintHelper::BeChief(),
+            ConstraintHelper::ReqNationAuxValue(static::$auxType->value, 0, "<", 1, "{$name}가 이미 완료되었습니다."),
+        ];
+    }
+
+    public function getPreReqTurn():int{
+        return 23;
+    }
+
+    public function getPostReqTurn():int{
+        return 0;
+    }
+
+    public function getCost():array{
+        return [100000, 100000];
+    }
+
+    public function run(\Sammo\RandUtil $rng):bool{
+        if(!$this->hasFullConditionMet()){
+            throw new \RuntimeException('불가능한 커맨드를 강제로 실행 시도');
+        }
+        
+        $db = DB::db();
+        $general = $this->generalObj;
+        $nationID = $general->getNationID();
+
+        $actionName = static::$actionName;
+        
+        $aux = $this->nation['aux'];
+        $aux[static::$auxType->value] = 1;
+        [$reqGold, $reqRice] = $this->getCost();
+
+        $logger = $general->getLogger();
+
+        $general->addExperience(5 * ($this->getPreReqTurn() + 1));
+        $general->addDedication(5 * ($this->getPreReqTurn() + 1));
+
+        $generalName = $general->getName();
+        $josaYi = JosaUtil::pick($generalName, '이');
+        
+        $db->update('nation', [
+            'gold' => $db->sqleval('gold - %i', $reqGold),
+            'rice' => $db->sqleval('rice - %i', $reqRice),
+            'aux' => Json::encode($aux),
+        ], 'nation=%i', $nationID);
+
+        $logger->pushGeneralActionLog("<M>{$actionName}</> 완료");
+        $logger->pushGeneralHistoryLog("<M>{$actionName}</> 완료");
+        $logger->pushNationalHistoryLog("<Y>{$generalName}</>{$josaYi} <M>{$actionName}</> 완료");
+
+        $general->increaseInheritancePoint(InheritanceKey::active_action, 1);
+        StaticEventHandler::handleEvent($this->generalObj, $this->destGeneralObj, $this::class, $this->env, $this->arg ?? []);
+        $this->setResultTurn(new LastTurn($this->getName(), $this->arg, 0));
+        $general->applyDB($db);
+        
+        return true;
+    }
+}
\ No newline at end of file
diff --git a/hwe/sammo/Command/Nation/event_산저병연구.php b/hwe/sammo/Command/Nation/event_산저병연구.php
new file mode 100644
index 00000000..1efb37aa
--- /dev/null
+++ b/hwe/sammo/Command/Nation/event_산저병연구.php
@@ -0,0 +1,88 @@
+<?php
+namespace sammo\Command\Nation;
+
+use \sammo\Command;
+use sammo\Constraint\ConstraintHelper;
+use sammo\DB;
+use sammo\Enums\InheritanceKey;
+use sammo\Enums\NationAuxKey;
+use \sammo\Util;
+use \sammo\JosaUtil;
+use sammo\Json;
+use sammo\LastTurn;
+use sammo\StaticEventHandler;
+
+class event_산저병연구 extends Command\NationCommand{
+    static protected $actionName = '산저병 연구';
+    static protected $auxType = NationAuxKey::can_산저병사용;
+
+    protected function argTest():bool{
+        return true;
+    }
+
+    protected function init(){
+        $this->setNation(['gold','rice','aux']);
+        $this->fullConditionConstraints=[];
+
+        $name = static::$actionName;
+
+        $this->minConditionConstraints = [
+            ConstraintHelper::OccupiedCity(),
+            ConstraintHelper::BeChief(),
+            ConstraintHelper::ReqNationAuxValue(static::$auxType->value, 0, "<", 1, "{$name}가 이미 완료되었습니다."),
+        ];
+    }
+
+    public function getPreReqTurn():int{
+        return 11;
+    }
+
+    public function getPostReqTurn():int{
+        return 0;
+    }
+
+    public function getCost():array{
+        return [50000, 50000];
+    }
+
+    public function run(\Sammo\RandUtil $rng):bool{
+        if(!$this->hasFullConditionMet()){
+            throw new \RuntimeException('불가능한 커맨드를 강제로 실행 시도');
+        }
+        
+        $db = DB::db();
+        $general = $this->generalObj;
+        $nationID = $general->getNationID();
+
+        $actionName = static::$actionName;
+        
+        $aux = $this->nation['aux'];
+        $aux[static::$auxType->value] = 1;
+        [$reqGold, $reqRice] = $this->getCost();
+
+        $logger = $general->getLogger();
+
+        $general->addExperience(5 * ($this->getPreReqTurn() + 1));
+        $general->addDedication(5 * ($this->getPreReqTurn() + 1));
+
+        $generalName = $general->getName();
+        $josaYi = JosaUtil::pick($generalName, '이');
+        
+        $db->update('nation', [
+            'gold' => $db->sqleval('gold - %i', $reqGold),
+            'rice' => $db->sqleval('rice - %i', $reqRice),
+            'aux' => Json::encode($aux),
+        ], 'nation=%i', $nationID);
+
+        $logger->pushGeneralActionLog("<M>{$actionName}</> 완료");
+        $logger->pushGeneralHistoryLog("<M>{$actionName}</> 완료");
+        $logger->pushNationalHistoryLog("<Y>{$generalName}</>{$josaYi} <M>{$actionName}</> 완료");
+
+        $general->increaseInheritancePoint(InheritanceKey::active_action, 1);
+        StaticEventHandler::handleEvent($this->generalObj, $this->destGeneralObj, $this::class, $this->env, $this->arg ?? []);
+        $this->setResultTurn(new LastTurn($this->getName(), $this->arg, 0));
+        $general->applyDB($db);
+        
+        return true;
+    }
+}
\ No newline at end of file
diff --git a/hwe/sammo/Command/Nation/event_상병연구.php b/hwe/sammo/Command/Nation/event_상병연구.php
new file mode 100644
index 00000000..e6af1aea
--- /dev/null
+++ b/hwe/sammo/Command/Nation/event_상병연구.php
@@ -0,0 +1,88 @@
+<?php
+namespace sammo\Command\Nation;
+
+use \sammo\Command;
+use sammo\Constraint\ConstraintHelper;
+use sammo\DB;
+use sammo\Enums\InheritanceKey;
+use sammo\Enums\NationAuxKey;
+use \sammo\Util;
+use \sammo\JosaUtil;
+use sammo\Json;
+use sammo\LastTurn;
+use sammo\StaticEventHandler;
+
+class event_상병연구 extends Command\NationCommand{
+    static protected $actionName = '상병 연구';
+    static protected $auxType = NationAuxKey::can_상병사용;
+
+    protected function argTest():bool{
+        return true;
+    }
+
+    protected function init(){
+        $this->setNation(['gold','rice','aux']);
+        $this->fullConditionConstraints=[];
+
+        $name = static::$actionName;
+
+        $this->minConditionConstraints = [
+            ConstraintHelper::OccupiedCity(),
+            ConstraintHelper::BeChief(),
+            ConstraintHelper::ReqNationAuxValue(static::$auxType->value, 0, "<", 1, "{$name}가 이미 완료되었습니다."),
+        ];
+    }
+
+    public function getPreReqTurn():int{
+        return 23;
+    }
+
+    public function getPostReqTurn():int{
+        return 0;
+    }
+
+    public function getCost():array{
+        return [100000, 100000];
+    }
+
+    public function run(\Sammo\RandUtil $rng):bool{
+        if(!$this->hasFullConditionMet()){
+            throw new \RuntimeException('불가능한 커맨드를 강제로 실행 시도');
+        }
+        
+        $db = DB::db();
+        $general = $this->generalObj;
+        $nationID = $general->getNationID();
+
+        $actionName = static::$actionName;
+        
+        $aux = $this->nation['aux'];
+        $aux[static::$auxType->value] = 1;
+        [$reqGold, $reqRice] = $this->getCost();
+
+        $logger = $general->getLogger();
+
+        $general->addExperience(5 * ($this->getPreReqTurn() + 1));
+        $general->addDedication(5 * ($this->getPreReqTurn() + 1));
+
+        $generalName = $general->getName();
+        $josaYi = JosaUtil::pick($generalName, '이');
+        
+        $db->update('nation', [
+            'gold' => $db->sqleval('gold - %i', $reqGold),
+            'rice' => $db->sqleval('rice - %i', $reqRice),
+            'aux' => Json::encode($aux),
+        ], 'nation=%i', $nationID);
+
+        $logger->pushGeneralActionLog("<M>{$actionName}</> 완료");
+        $logger->pushGeneralHistoryLog("<M>{$actionName}</> 완료");
+        $logger->pushNationalHistoryLog("<Y>{$generalName}</>{$josaYi} <M>{$actionName}</> 완료");
+
+        $general->increaseInheritancePoint(InheritanceKey::active_action, 1);
+        StaticEventHandler::handleEvent($this->generalObj, $this->destGeneralObj, $this::class, $this->env, $this->arg ?? []);
+        $this->setResultTurn(new LastTurn($this->getName(), $this->arg, 0));
+        $general->applyDB($db);
+        
+        return true;
+    }
+}
\ No newline at end of file
diff --git a/hwe/sammo/Command/Nation/event_원융노병연구.php b/hwe/sammo/Command/Nation/event_원융노병연구.php
new file mode 100644
index 00000000..e9d17ed9
--- /dev/null
+++ b/hwe/sammo/Command/Nation/event_원융노병연구.php
@@ -0,0 +1,88 @@
+<?php
+namespace sammo\Command\Nation;
+
+use \sammo\Command;
+use sammo\Constraint\ConstraintHelper;
+use sammo\DB;
+use sammo\Enums\InheritanceKey;
+use sammo\Enums\NationAuxKey;
+use \sammo\Util;
+use \sammo\JosaUtil;
+use sammo\Json;
+use sammo\LastTurn;
+use sammo\StaticEventHandler;
+
+class event_원융노병연구 extends Command\NationCommand{
+    static protected $actionName = '원융노병 연구';
+    static protected $auxType = NationAuxKey::can_원융노병사용;
+
+    protected function argTest():bool{
+        return true;
+    }
+
+    protected function init(){
+        $this->setNation(['gold','rice','aux']);
+        $this->fullConditionConstraints=[];
+
+        $name = static::$actionName;
+
+        $this->minConditionConstraints = [
+            ConstraintHelper::OccupiedCity(),
+            ConstraintHelper::BeChief(),
+            ConstraintHelper::ReqNationAuxValue(static::$auxType->value, 0, "<", 1, "{$name}가 이미 완료되었습니다."),
+        ];
+    }
+
+    public function getPreReqTurn():int{
+        return 23;
+    }
+
+    public function getPostReqTurn():int{
+        return 0;
+    }
+
+    public function getCost():array{
+        return [100000, 100000];
+    }
+
+    public function run(\Sammo\RandUtil $rng):bool{
+        if(!$this->hasFullConditionMet()){
+            throw new \RuntimeException('불가능한 커맨드를 강제로 실행 시도');
+        }
+        
+        $db = DB::db();
+        $general = $this->generalObj;
+        $nationID = $general->getNationID();
+
+        $actionName = static::$actionName;
+        
+        $aux = $this->nation['aux'];
+        $aux[static::$auxType->value] = 1;
+        [$reqGold, $reqRice] = $this->getCost();
+
+        $logger = $general->getLogger();
+
+        $general->addExperience(5 * ($this->getPreReqTurn() + 1));
+        $general->addDedication(5 * ($this->getPreReqTurn() + 1));
+
+        $generalName = $general->getName();
+        $josaYi = JosaUtil::pick($generalName, '이');
+        
+        $db->update('nation', [
+            'gold' => $db->sqleval('gold - %i', $reqGold),
+            'rice' => $db->sqleval('rice - %i', $reqRice),
+            'aux' => Json::encode($aux),
+        ], 'nation=%i', $nationID);
+
+        $logger->pushGeneralActionLog("<M>{$actionName}</> 완료");
+        $logger->pushGeneralHistoryLog("<M>{$actionName}</> 완료");
+        $logger->pushNationalHistoryLog("<Y>{$generalName}</>{$josaYi} <M>{$actionName}</> 완료");
+
+        $general->increaseInheritancePoint(InheritanceKey::active_action, 1);
+        StaticEventHandler::handleEvent($this->generalObj, $this->destGeneralObj, $this::class, $this->env, $this->arg ?? []);
+        $this->setResultTurn(new LastTurn($this->getName(), $this->arg, 0));
+        $general->applyDB($db);
+        
+        return true;
+    }
+}
\ No newline at end of file
diff --git a/hwe/sammo/Command/Nation/event_음귀병연구.php b/hwe/sammo/Command/Nation/event_음귀병연구.php
new file mode 100644
index 00000000..bd405a97
--- /dev/null
+++ b/hwe/sammo/Command/Nation/event_음귀병연구.php
@@ -0,0 +1,88 @@
+<?php
+namespace sammo\Command\Nation;
+
+use \sammo\Command;
+use sammo\Constraint\ConstraintHelper;
+use sammo\DB;
+use sammo\Enums\InheritanceKey;
+use sammo\Enums\NationAuxKey;
+use \sammo\Util;
+use \sammo\JosaUtil;
+use sammo\Json;
+use sammo\LastTurn;
+use sammo\StaticEventHandler;
+
+class event_음귀병연구 extends Command\NationCommand{
+    static protected $actionName = '음귀병 연구';
+    static protected $auxType = NationAuxKey::can_음귀병사용;
+
+    protected function argTest():bool{
+        return true;
+    }
+
+    protected function init(){
+        $this->setNation(['gold','rice','aux']);
+        $this->fullConditionConstraints=[];
+
+        $name = static::$actionName;
+
+        $this->minConditionConstraints = [
+            ConstraintHelper::OccupiedCity(),
+            ConstraintHelper::BeChief(),
+            ConstraintHelper::ReqNationAuxValue(static::$auxType->value, 0, "<", 1, "{$name}가 이미 완료되었습니다."),
+        ];
+    }
+
+    public function getPreReqTurn():int{
+        return 11;
+    }
+
+    public function getPostReqTurn():int{
+        return 0;
+    }
+
+    public function getCost():array{
+        return [50000, 50000];
+    }
+
+    public function run(\Sammo\RandUtil $rng):bool{
+        if(!$this->hasFullConditionMet()){
+            throw new \RuntimeException('불가능한 커맨드를 강제로 실행 시도');
+        }
+        
+        $db = DB::db();
+        $general = $this->generalObj;
+        $nationID = $general->getNationID();
+
+        $actionName = static::$actionName;
+        
+        $aux = $this->nation['aux'];
+        $aux[static::$auxType->value] = 1;
+        [$reqGold, $reqRice] = $this->getCost();
+
+        $logger = $general->getLogger();
+
+        $general->addExperience(5 * ($this->getPreReqTurn() + 1));
+        $general->addDedication(5 * ($this->getPreReqTurn() + 1));
+
+        $generalName = $general->getName();
+        $josaYi = JosaUtil::pick($generalName, '이');
+        
+        $db->update('nation', [
+            'gold' => $db->sqleval('gold - %i', $reqGold),
+            'rice' => $db->sqleval('rice - %i', $reqRice),
+            'aux' => Json::encode($aux),
+        ], 'nation=%i', $nationID);
+
+        $logger->pushGeneralActionLog("<M>{$actionName}</> 완료");
+        $logger->pushGeneralHistoryLog("<M>{$actionName}</> 완료");
+        $logger->pushNationalHistoryLog("<Y>{$generalName}</>{$josaYi} <M>{$actionName}</> 완료");
+
+        $general->increaseInheritancePoint(InheritanceKey::active_action, 1);
+        StaticEventHandler::handleEvent($this->generalObj, $this->destGeneralObj, $this::class, $this->env, $this->arg ?? []);
+        $this->setResultTurn(new LastTurn($this->getName(), $this->arg, 0));
+        $general->applyDB($db);
+        
+        return true;
+    }
+}
\ No newline at end of file
diff --git a/hwe/sammo/Command/Nation/event_화륜차연구.php b/hwe/sammo/Command/Nation/event_화륜차연구.php
new file mode 100644
index 00000000..ad8eb54b
--- /dev/null
+++ b/hwe/sammo/Command/Nation/event_화륜차연구.php
@@ -0,0 +1,88 @@
+<?php
+namespace sammo\Command\Nation;
+
+use \sammo\Command;
+use sammo\Constraint\ConstraintHelper;
+use sammo\DB;
+use sammo\Enums\InheritanceKey;
+use sammo\Enums\NationAuxKey;
+use \sammo\Util;
+use \sammo\JosaUtil;
+use sammo\Json;
+use sammo\LastTurn;
+use sammo\StaticEventHandler;
+
+class event_화륜차연구 extends Command\NationCommand{
+    static protected $actionName = '화륜차 연구';
+    static protected $auxType = NationAuxKey::can_화륜차사용;
+
+    protected function argTest():bool{
+        return true;
+    }
+
+    protected function init(){
+        $this->setNation(['gold','rice','aux']);
+        $this->fullConditionConstraints=[];
+
+        $name = static::$actionName;
+
+        $this->minConditionConstraints = [
+            ConstraintHelper::OccupiedCity(),
+            ConstraintHelper::BeChief(),
+            ConstraintHelper::ReqNationAuxValue(static::$auxType->value, 0, "<", 1, "{$name}가 이미 완료되었습니다."),
+        ];
+    }
+
+    public function getPreReqTurn():int{
+        return 23;
+    }
+
+    public function getPostReqTurn():int{
+        return 0;
+    }
+
+    public function getCost():array{
+        return [100000, 100000];
+    }
+
+    public function run(\Sammo\RandUtil $rng):bool{
+        if(!$this->hasFullConditionMet()){
+            throw new \RuntimeException('불가능한 커맨드를 강제로 실행 시도');
+        }
+        
+        $db = DB::db();
+        $general = $this->generalObj;
+        $nationID = $general->getNationID();
+
+        $actionName = static::$actionName;
+        
+        $aux = $this->nation['aux'];
+        $aux[static::$auxType->value] = 1;
+        [$reqGold, $reqRice] = $this->getCost();
+
+        $logger = $general->getLogger();
+
+        $general->addExperience(5 * ($this->getPreReqTurn() + 1));
+        $general->addDedication(5 * ($this->getPreReqTurn() + 1));
+
+        $generalName = $general->getName();
+        $josaYi = JosaUtil::pick($generalName, '이');
+        
+        $db->update('nation', [
+            'gold' => $db->sqleval('gold - %i', $reqGold),
+            'rice' => $db->sqleval('rice - %i', $reqRice),
+            'aux' => Json::encode($aux),
+        ], 'nation=%i', $nationID);
+
+        $logger->pushGeneralActionLog("<M>{$actionName}</> 완료");
+        $logger->pushGeneralHistoryLog("<M>{$actionName}</> 완료");
+        $logger->pushNationalHistoryLog("<Y>{$generalName}</>{$josaYi} <M>{$actionName}</> 완료");
+
+        $general->increaseInheritancePoint(InheritanceKey::active_action, 1);
+        StaticEventHandler::handleEvent($this->generalObj, $this->destGeneralObj, $this::class, $this->env, $this->arg ?? []);
+        $this->setResultTurn(new LastTurn($this->getName(), $this->arg, 0));
+        $general->applyDB($db);
+        
+        return true;
+    }
+}
\ No newline at end of file
diff --git a/hwe/sammo/Command/Nation/event_화시병연구.php b/hwe/sammo/Command/Nation/event_화시병연구.php
new file mode 100644
index 00000000..45cc4323
--- /dev/null
+++ b/hwe/sammo/Command/Nation/event_화시병연구.php
@@ -0,0 +1,88 @@
+<?php
+namespace sammo\Command\Nation;
+
+use \sammo\Command;
+use sammo\Constraint\ConstraintHelper;
+use sammo\DB;
+use sammo\Enums\InheritanceKey;
+use sammo\Enums\NationAuxKey;
+use \sammo\Util;
+use \sammo\JosaUtil;
+use sammo\Json;
+use sammo\LastTurn;
+use sammo\StaticEventHandler;
+
+class event_화시병연구 extends Command\NationCommand{
+    static protected $actionName = '화시병 연구';
+    static protected $auxType = NationAuxKey::can_화시병사용;
+
+    protected function argTest():bool{
+        return true;
+    }
+
+    protected function init(){
+        $this->setNation(['gold','rice','aux']);
+        $this->fullConditionConstraints=[];
+
+        $name = static::$actionName;
+
+        $this->minConditionConstraints = [
+            ConstraintHelper::OccupiedCity(),
+            ConstraintHelper::BeChief(),
+            ConstraintHelper::ReqNationAuxValue(static::$auxType->value, 0, "<", 1, "{$name}가 이미 완료되었습니다."),
+        ];
+    }
+
+    public function getPreReqTurn():int{
+        return 11;
+    }
+
+    public function getPostReqTurn():int{
+        return 0;
+    }
+
+    public function getCost():array{
+        return [50000, 50000];
+    }
+
+    public function run(\Sammo\RandUtil $rng):bool{
+        if(!$this->hasFullConditionMet()){
+            throw new \RuntimeException('불가능한 커맨드를 강제로 실행 시도');
+        }
+        
+        $db = DB::db();
+        $general = $this->generalObj;
+        $nationID = $general->getNationID();
+
+        $actionName = static::$actionName;
+        
+        $aux = $this->nation['aux'];
+        $aux[static::$auxType->value] = 1;
+        [$reqGold, $reqRice] = $this->getCost();
+
+        $logger = $general->getLogger();
+
+        $general->addExperience(5 * ($this->getPreReqTurn() + 1));
+        $general->addDedication(5 * ($this->getPreReqTurn() + 1));
+
+        $generalName = $general->getName();
+        $josaYi = JosaUtil::pick($generalName, '이');
+        
+        $db->update('nation', [
+            'gold' => $db->sqleval('gold - %i', $reqGold),
+            'rice' => $db->sqleval('rice - %i', $reqRice),
+            'aux' => Json::encode($aux),
+        ], 'nation=%i', $nationID);
+
+        $logger->pushGeneralActionLog("<M>{$actionName}</> 완료");
+        $logger->pushGeneralHistoryLog("<M>{$actionName}</> 완료");
+        $logger->pushNationalHistoryLog("<Y>{$generalName}</>{$josaYi} <M>{$actionName}</> 완료");
+
+        $general->increaseInheritancePoint(InheritanceKey::active_action, 1);
+        StaticEventHandler::handleEvent($this->generalObj, $this->destGeneralObj, $this::class, $this->env, $this->arg ?? []);
+        $this->setResultTurn(new LastTurn($this->getName(), $this->arg, 0));
+        $general->applyDB($db);
+        
+        return true;
+    }
+}
\ No newline at end of file
diff --git a/hwe/scenario/unit/event_more_crewtype.php b/hwe/scenario/unit/event_more_crewtype.php
index a1591e22..cf5c54c5 100644
--- a/hwe/scenario/unit/event_more_crewtype.php
+++ b/hwe/scenario/unit/event_more_crewtype.php
@@ -440,7 +440,7 @@ class GameUnitConst extends GameUnitConstBase
             [
                 91500, self::T_SIEGE, '화륜차',
                 300, 0, 5,  0, 0,  40,  5,
-                [new ReqTech(5000), new ReqNationAux(NationAuxKey::did_특성초토화, '>=', 1), new ReqChief()],
+                [new ReqTech(5000), new ReqNationAux(NationAuxKey::did_특성초토화, '>=', 1), new ReqChief(), new ReqNationAux(NationAuxKey::can_화륜차사용, '==', 1)],
                 [self::T_FOOTMAN=>1.25, self::T_ARCHER=>1.25, self::T_CAVALRY=>1.25, self::T_WIZARD=>1.25, self::T_CASTLE=>1.25, 1106=>1.112],
                 [self::T_FOOTMAN=>1.2, self::T_ARCHER=>1.2, self::T_CAVALRY=>1.2, self::T_WIZARD=>1.2, 1106=>1.067],
                 ['불타는 바퀴로 적진을 붕괴시킵니다.'],