One For All

One for All is a legendary emitter/stockpiling-type quirk which allows the user to enhance his/her strength. This version of One for All is All Might's.

Trivia
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 * In the anime/manga this quirk is a fusion of two quirks. The quirk to stockpile power within their body and the quirk that can be transferred to others.
 * This quirk was created by the main villain, All For One in the anime/manga Boku no Hero Academia.
 * There are a total of 9 users of One For All such as All For One's younger brother, Nana Shimura, Izuku Midoriya, Toshinori Yagi, etc.