diff --git a/TheSkyBlessing/data/api/functions/damage/core/attack.mcfunction b/TheSkyBlessing/data/api/functions/damage/core/attack.mcfunction
index bc3bef748e..8e155e09d6 100644
--- a/TheSkyBlessing/data/api/functions/damage/core/attack.mcfunction
+++ b/TheSkyBlessing/data/api/functions/damage/core/attack.mcfunction
@@ -5,6 +5,7 @@
 # @within function
 #   api:damage/
 #   api:damage/core/attack_to_forward_target/
+    #declare tag 1574used
 
 # 計算に必要な値を取得
     function api:damage/core/get_status/
@@ -12,6 +13,8 @@
     function api:damage/core/calc/
 # ダメージの補正
     execute if data storage api: Argument{BypassModifier:false} store result storage api: Damage double 0.0001 run scoreboard players get $Damage Temporary
+#1574sword_for_knight
+        execute if entity @s[type=player,tag= 1574used] store result storage api: Damage double 0.00002 run scoreboard players get $Damage Temporary
     execute if data storage api: Argument{BypassModifier:false} run function api:damage/core/modify_damage.m {Side:"Defense"}
     execute if data storage api: Argument{BypassModifier:false} if entity @s[type=!player,tag=!Enemy.Boss] if score $Metric Temporary matches ..99 run function metric:damage/normal.m {Condition:"Resist"}
     execute if data storage api: Argument{BypassModifier:false} if entity @s[type=!player,tag=!Enemy.Boss] if score $Metric Temporary matches 100 run function metric:damage/normal.m {Condition:"Normal"}