Adjuchas must continue to cannibalize their peers to maintain their form ... Soul Reaper, Hollow, and Quincy. His zanpakutou, Zangetsu, is a Hollow, giving Ichigo Arrancar powers.

This wasn't his usual Bankai or his Hollow mask. In this form, the left side of Ichigo's face and body gained black markings, his eye became that of his Zangetsu and he grew the iconic horn ...