He is a very dangerous individual due to his Quirk, Overhaul, the handling he has on it, and his lack of remorse. While in battle, Kai quickly dissembles his targets to kill them or reshapes the terrain around him into a barrage of spikes to attack his opponents He wears a black dress shirt, matching pants, a pale gray tie, and a dark olive-green bomber jacket with a purple fur collar. His outfit is completed with white sneakers, surgical gloves, and a magenta plague mask tipped with gold.