Ninja Scroll (1993)

In the midst of the feudal landscape of Shimoda, a mysterious plague leads the Togugawa clan to send a group of ninja to investigate. But after an ambush by unknown assailants, only the ninja Kagero survives, and it is then that Jubei, an experienced mercenary samurai, takes on the mission to rescue him. But as his quest unfolds, his goals also evolve in this iconic anime film, famous for its innovative animation and riveting action sequences.