diff --git a/twe/sammo/Event/Action/ChangeCity.php b/twe/sammo/Event/Action/ChangeCity.php
index 24063e6b..74a46f76 100644
--- a/twe/sammo/Event/Action/ChangeCity.php
+++ b/twe/sammo/Event/Action/ChangeCity.php
@@ -1,5 +1,7 @@
 <?php
 namespace sammo\Event\Action;
+use sammo\Util;
+use sammo\DB;
 
 //기존 시나리오에서 개시 1월에 내정을 깎는 것을 모사.
 class ChangeCity extends sammo\Event\Action{
diff --git a/twe/sammo/Event/Action/RaiseInvader.php b/twe/sammo/Event/Action/RaiseInvader.php
new file mode 100644
index 00000000..c23cb5ef
--- /dev/null
+++ b/twe/sammo/Event/Action/RaiseInvader.php
@@ -0,0 +1,45 @@
+<?php
+namespace sammo\Event\Action;
+use sammo\Util;
+use sammo\DB;
+
+/**
+ * 이민족 침입을 모사
+ * 
+ * 양수 : 정해진 값. [절대값]
+ * 음수 : 합산(장수 등), 혹은 평균(기술 등)을 나누어 적용한 값 [상대값]
+ * 
+ * event_1.php, 센 이민족 : npcEachCount = -3.5, specAvg = 195, specDist = 5, tech = 15000, dex = 450000
+ * event_2.php, 약한 이민족 : npcEachCount = -3.5, specAvg = 150, specDist = 20, tech = -1, dex = 0
+ * event_3.php, 엄청 약한 이민족 : npcEachCount = 100, specAvg = 50, specDist = 5, tech = 0, dex = 0
+ */
+class RaiseInvader extends sammo\Event\Action{
+    private $npcEachCount;
+    private $specAvg;
+    private $specDist;
+    private $tech;
+    private $dex;
+
+    public function __construct($npcEachCount = -3.5, int $specAvg = 150, int $specDist = 20, int $tech = -1, int $dex = 0){
+        $this->npcEachCount = $npcEachCount;
+        $this->specAvg = $specAvg;
+        $this->specDist = $specDist;
+        $this->tech = $tech;
+        $this->dex = $dex;
+    }
+
+    private function calcNpcEachCount(){
+
+    }
+
+    public function run($env=null){
+        $db = DB::db();
+        $npcEachCount = $this->npcEachCount;
+
+        if($npcEachCount < 0){
+            $npcEachCount = $db->queryFirstField('SELECT count(no) from general where npc<5');
+            $npcEachCount /= -1 * $this->npcEachCount;
+        }
+        return [__CLASS__, 'NYI'];   
+    }
+}
\ No newline at end of file
diff --git a/twe/sammo/Event/Action/RaiseInvaderStrong.php b/twe/sammo/Event/Action/RaiseInvaderStrong.php
deleted file mode 100644
index 24eef512..00000000
--- a/twe/sammo/Event/Action/RaiseInvaderStrong.php
+++ /dev/null
@@ -1,13 +0,0 @@
-<?php
-namespace sammo\Event\Action;
-
-//기존 event_1.php
-class RaiseInavderStrong extends sammo\Event\Action{
-    public function __construct($npcCount = 200){
-        
-    }
-
-    public function run($env=null){
-        return [__CLASS__, 'NYI'];   
-    }
-}
\ No newline at end of file
diff --git a/twe/sammo/Event/Action/RaiseInvaderWeak.php b/twe/sammo/Event/Action/RaiseInvaderWeak.php
deleted file mode 100644
index ad782a5c..00000000
--- a/twe/sammo/Event/Action/RaiseInvaderWeak.php
+++ /dev/null
@@ -1,13 +0,0 @@
-<?php
-namespace sammo\Event\Action;
-
-//기존 event_2.php
-class RaiseInavderWeak extends sammo\Event\Action{
-    public function __construct($npcCount = 200){
-        
-    }
-
-    public function run($env=null){
-        return [__CLASS__, 'NYI'];   
-    }
-}
\ No newline at end of file