Detroit Smash

Detroit Smash (デトロイトスマッュ, Detoroito Sumasshu) is a move performed by All Might using the One For All Quirk. All Might powers up all his power into his fist and then smashes in into the ground to perform the move.

Move History
All Might was first seen using it to save Katsuki from the villain who was attacking him.