In the Shigaraki fight, Deku’s emotions clouded his judgment as he believed he was destined to defeat All For One’s successor. The villains exploited this recklessness to target his allies.
However, after witnessing Deku rush in to try and save his classmate Bakugo from a villain, All Might has a change of heart. It is then that he tells Deku he has what it takes to be his successor ...
My Hero Academia volume 42, the final installment of the manga, was recently released and introduced minor modifications along with a new chapter, the now-famous chapter 431.