One For All: Transferred to him from All Might, Izuku's Quirk allows him to stockpile an enormous amount of raw power, allowing him to significantly enhance all of his physical abilities to various boundless levels. This results in unbelievable levels of strength, speed, stamina, agility, and durability. This power has to be kept secret. Izuku Midoriya, also known as Deku, is a student at UA High school, training to become a pro-hero.