Unlike others who merely died in battle, he was sliced in two. The Second User of One For All Quirk, Kudo, also died viciously. He struggled with All For One with all his might, but it was not enough.

All Might may have defeated him, and Deku may stand as the most substantial OFA user, but Kudo and Bakugo share the same defiant eyes, and that's enough for All For One to spell his own doom.