Sensen Senki: War Chronicles of the Immortals

In a world divided among rival nations, a young boy is captured after an ambitious warlord conquers and destroys his small country. Determined to free his people from the warlord’s control, he vows to find a way to gain supernatural powers. The boy sets his sights on becoming a sage, a being with extraordinary abilities. His path begins with that goal and his resolve to save his people.