Black Flash

Black Flash is a phenomenon in Jujutsu that greatly amplifies the user's physical strike when cursed energy is applied to it
Black Flash is a distortion in space that occurs when cursed energy is applied within 0.000001 seconds of a physical hit. When a sorcerer is able to achieve this, their cursed energy flashes black, and the destructive power of their strike is MUCH GREATER
After landing a Black Flash you will get The Zone Effect

How To

You must roll a Nat 20 when punching someone