Safe In Your Arms

"All for One reaches a hand out. "I don't want the same for you. I've always wanted better for you, Izuku. Let me help you."

He thinks briefly of telling All for One where he can stick his so-called 'help,' but quickly thinks better of it. His enemy has already stuck him with some copy of the All for One quirk, and there's no telling what other damage he's done. Maybe if Izuku plays along, he can get the villain to undo whatever he's done to him. "
--
Or, in which, Izuku manifests an All for One quirk during his fated battle with All for One.