Already exists
https://platinmods.com/threads/burakkukuroobaamobairu-ver-1-10-019-lsposed-module-damage-multiplier-defense-multiplier-no-damage.214943/
https://platinmods.com/threads/black-clover-m-ver-1-05-029-lsposed-module-damage-multiplier-defense-multiplier-no-damage.214956/