 In "Landslide", Hiro's father explains that he had known of Hiro's powers from the beginning and that the sword was not the source of his increased powers; rather, it was the journey that restored them.In "How to Stop an Exploding Man", Hiro saves Ando from Sylar and takes him back to Japan.Though Ando wants to return to New York with Hiro, Hiro tells Ando the next part of his journey must be traveled alone, to protect him.