As Izuku Midoriya continues to evolve in his use of One For All and his knowledge of the full scope of his new abilities, he's beginning to learn more about the previous vestiges of the quirk. The latest work study with Endeavor has come to an end, and brought Midoriya to a greater level in his abilities than ever before. So All Might is prepared to help him discover the full range of his quirks, and one of the ways that he can stick by Midoriya's side is to research the past of One For All himself.