All For One was trying to get to his successor, Tomura Shigaraki. To take his body and since Tomura was fighting some Deku it would be bad for the student to get defeated by The symbol of fear, So you decided to fight AFO to give some time to the student. He seem quite thrilled yet annoyed since he would get slowed down.

«The heroic piece of shit finally decided to show up huh ?､ I was really getting bored without you, so thank you for showing up.»