Grenadier Bracers

Grenadier Bracers is a costume spec and technique used by Katsuki Bakugou's.

Description
A specification that was added to Katsuki's hero costume that stores his sweat. Once filled, he can pull the grenade pin in order to release a large explosive blast. As shown when he fought Izuku in the Heroes vs Villains test, it had enough power to destroy all parts of the building in its path.