diff --git a/TheSkyBlessing/data/asset_manager/functions/artifact/_index.d.mcfunction b/TheSkyBlessing/data/asset_manager/functions/artifact/_index.d.mcfunction
index 407d0b8812..78631e3bac 100644
--- a/TheSkyBlessing/data/asset_manager/functions/artifact/_index.d.mcfunction
+++ b/TheSkyBlessing/data/asset_manager/functions/artifact/_index.d.mcfunction
@@ -19,6 +19,7 @@
 #   asset_manager:artifact/use/
 #   asset_manager:artifact/tick/
 #   core:tick/
+#   debug:artifact/cooldown_reset
     #declare score_holder $ArtifactSpecialCooldown
 
 #> Trigger検知用
diff --git a/TheSkyBlessing/data/debug/functions/artifact/cooldown_reset.mcfunction b/TheSkyBlessing/data/debug/functions/artifact/cooldown_reset.mcfunction
new file mode 100644
index 0000000000..41bd2af806
--- /dev/null
+++ b/TheSkyBlessing/data/debug/functions/artifact/cooldown_reset.mcfunction
@@ -0,0 +1,24 @@
+#> debug:artifact/cooldown_reset
+#
+# 実行者のすべての神器クールダウンを解消します
+#
+# @private
+# @user
+
+# 実行者が居ない場合エラー
+    execute unless entity @s[type=player] run return run tellraw @a [{"storage":"global","nbt":"Prefix.ERROR"},{"text": "実行者を指定してください。"}]
+
+# LCD
+# アイテムに付いた最終発動時刻を削除
+    data modify storage api: Argument.Inventory set from entity @s Inventory
+    data remove storage api: Argument.Inventory[].tag.TSB.LatestUseTick
+    function api:inventory/set
+# プレイヤーのLCD状況データもリセット（何かしらの行動時にしか自動更新してくれないので）
+    function oh_my_dat:please
+    data modify storage oh_my_dat: _[-4][-4][-4][-4][-4][-4][-4][-4].LocalCoolDown[].Value set value -15
+
+# TCD
+    data modify storage oh_my_dat: _[-4][-4][-4][-4][-4][-4][-4][-4].TypeCooldown set value []
+
+#GCD
+    scoreboard players set $ArtifactSpecialCooldown Global 0