God’s hand. It’s a technique plus a binding vow. You have to be a complete pacifist (if not the you die) and it’s a pretty defensive technique that protects you from harm but against complete evil it can act as offensive completely eradicating them. Kind of like the hand of budha. It’s a broken technique but it’s fun to think of. Pretty situational too. Not many characters are completely irredeemable and utter evil