One For All (ワン・フォー・オール Wan Fō Ōru?): 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. When Izuku activates One For All, red, vein-like lines course throughout the empowered part of his body.