Actually, he awakened new powers during the battle (and he saved All Might), but he wasn't able to use his new abilities to their full potential. Bakugo's Rank At The End of the Series The battle ...

Childhood friends Deku and Bakugo's strained relationship impacts their journey at U.A. High School. Bakugo's shock at discovering Deku's powerful Quirk leads to a turning point in their bond.