diff --git a/lib/bcdice/game_system/StellarKnights.rb b/lib/bcdice/game_system/StellarKnights.rb
index 36cc0adf0..356619123 100644
--- a/lib/bcdice/game_system/StellarKnights.rb
+++ b/lib/bcdice/game_system/StellarKnights.rb
@@ -95,12 +95,15 @@ def eval_game_system_specific_command(command)
       # @param [Integer | nil] defence
       # @param [String] dice_change_text
       # @param [String] command
-      # @return [String]
+      # @return [Result, String]
       def resolute_action(num_dices, defence, dice_change_text, command)
         dices = @randomizer.roll_barabara(num_dices, 6).sort
         dice_text = dices.join(",")
 
         output = "(#{command}) ＞ #{dice_text}"
+        if dices.empty?
+          return output + "ダイスが 0 個です（アタック判定が発生しません）"
+        end
 
         # FAQによると、ダイスの置き換えは宣言された順番に適用されていく
         dice_change_rules = parse_dice_change_rules(dice_change_text)
diff --git a/test/data/StellarKnights.toml b/test/data/StellarKnights.toml
index e2b7008fd..ea7934152 100644
--- a/test/data/StellarKnights.toml
+++ b/test/data/StellarKnights.toml
@@ -9,6 +9,12 @@ rands = [
   { sides = 6, value = 4 },
 ]
 
+[[ test ]]
+game_system = "StellarKnights"
+input = "0SK"
+output = "(0SK) ＞ ダイスが 0 個です（アタック判定が発生しません）"
+rands = []
+
 [[ test ]]
 game_system = "StellarKnights"
 input = "5SK3"
@@ -33,6 +39,12 @@ rands = [
   { sides = 6, value = 2 },
 ]
 
+[[ test ]]
+game_system = "StellarKnights"
+input = "0SK6"
+output = "(0SK6) ＞ ダイスが 0 個です（アタック判定が発生しません）"
+rands = []
+
 [[ test ]]
 game_system = "StellarKnights"
 input = "3SK,1>6"
@@ -81,6 +93,18 @@ rands = [
   { sides = 6, value = 6 },
 ]
 
+[[ test ]]
+game_system = "StellarKnights"
+input = "0SK,1>6"
+output = "(0SK,1>6) ＞ ダイスが 0 個です（アタック判定が発生しません）"
+rands = []
+
+[[ test ]]
+game_system = "StellarKnights"
+input = "0SK4,1>6"
+output = "(0SK4,1>6) ＞ ダイスが 0 個です（アタック判定が発生しません）"
+rands = []
+
 [[ test ]]
 game_system = "StellarKnights"
 input = "TT"