Akari battles Mekira, a wielder of an ancient Mibu weapon that can turn enemies to stone. Enraged by Mekira's treatment of Santera, Akari reveals a secret of his own! Meanwhile, Sasuke and Izumo travel to the peak of Mt. Fuji, where Kotaro stands in their way--and Kotaro and Sasuke begin a battle that may shatter their friendship forever.