Bau

Bau is the largest member of the Dark Ones, noted for the veil in front of his face and his large club-like weapons. He, along with the rest of the Dark Ones (except for their leader Ganryū) confront Senna in a cemetery, but they retreat as soon as Ichigo Kurosaki arrives to save her. Later, when the Dark Ones ambush the Shinigami sent to retrieve the Memory Rosary, he attacks Renji Abarai, but backs off as soon as Ganryū captures the Memory Rosary. Later, when Ichigo breaks into the Valley of Screams, he attempts to stop him, but is interrupted by Renji Abarai (who activated his bankai) and Rukia Kuchiki. Bau battles Renji (while Jai fights Rukia) and seemingly destroys his zanpakutō, but Renji reconnects the segments of his zanpakutō and kills him.