One For All: Transferred to him from Toshinori Yagi, 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. Izuku also known a deku is a smart, kind, and caring boy, his helpful and loving and very sweet.