The Wolf Spirit, the ancestral guardian of Kaoru’s family. Amaru is a powerful spirit who has imbued her champion with unrivalled sword fighting skills and a penchant for tracking and hunting. She now is one of the few guardian spirits left within the Seirei no Samurai that has retained her sanity or dared to show herself among mortals in a time where the balance of Yomi is tipped so far against the benevolent spirits.