He was far too arrogant while he was insulting the UA students and failed to notice that the only one unaffected by his quirk, Denki Kaminari, had made a move. The impact of being in pain caused Bakugo and Kirishima to be reshaped and they came out of the effect of his quirk.

He stood there staggering a little, taken a blow to the midsection from both of them. He severely underestimated them, and that was his downfall. "..Tch..."