diff --git a/hwe/sammo/ActionItem/event_전투특기_필살.php b/hwe/sammo/ActionItem/event_전투특기_필살.php
index a606819a..26cf530e 100644
--- a/hwe/sammo/ActionItem/event_전투특기_필살.php
+++ b/hwe/sammo/ActionItem/event_전투특기_필살.php
@@ -11,7 +11,7 @@ class event_전투특기_필살 extends \sammo\BaseItem{
 
     protected $rawName = '비급';
     protected $name = '비급(필살)';
-    protected $info = '[전투] 필살 확률 +30%p, 필살 발동시 대상 회피 불가';
+    protected $info = '[전투] 필살 확률 +30%p, 필살 발동시 대상 회피 불가, 필살 계수 항상 최대';
     protected $cost = 100;
     protected $buyable = true;
     protected $consumable = false;
@@ -21,6 +21,11 @@ class event_전투특기_필살 extends \sammo\BaseItem{
         if($statName === 'warCriticalRatio'){
             return $value + 0.3;
         }
+        if($statName === 'criticalDamageRange'){
+            [, $rangeMax] = $value;
+            return [$rangeMax, $rangeMax];
+        }
+
         return $value;
     }
 
diff --git a/hwe/sammo/ActionSpecialDomestic/che_event_필살.php b/hwe/sammo/ActionSpecialDomestic/che_event_필살.php
index a046f712..a3b5eec5 100644
--- a/hwe/sammo/ActionSpecialDomestic/che_event_필살.php
+++ b/hwe/sammo/ActionSpecialDomestic/che_event_필살.php
@@ -11,7 +11,7 @@ class che_event_필살 extends \sammo\BaseSpecial{
 
     protected $id = 71;
     protected $name = '필살';
-    protected $info = '[전투] 필살 확률 +30%p, 필살 발동시 대상 회피 불가';
+    protected $info = '[전투] 필살 확률 +30%p, 필살 발동시 대상 회피 불가, 필살 계수 항상 최대';
 
     static $selectWeightType = SpecialityHelper::WEIGHT_NORM;
     static $selectWeight = 1;
@@ -25,6 +25,11 @@ class che_event_필살 extends \sammo\BaseSpecial{
         if($statName === 'warCriticalRatio'){
             return $value + 0.30;
         }
+        if($statName === 'criticalDamageRange'){
+            [, $rangeMax] = $value;
+            return [$rangeMax, $rangeMax];
+        }
+        
         return $value;
     }