Bleach: Rise of the Hollows

Atra Umbra, the last of a group of Native Americans known as Spirit Warriors. He is after revenge against his older brother Raven Umbra, who became a Hollow and massacred his town. After learning of Aizen's defeat, and the hero known as Ichigo gaining his power back, he decides to head to Japan. There he will befriend several factions, as his brother creates an army of Hollows.