Black Chakra Oni

Black Chakra Oni in a deadly jutsu created by Mitsuo which takes her unique chakra to the point she fuses with her chakra competly. After merging with her chakra. His form becomes pitch black with his hair grew longer and spikier, her facial features are hidden but his eyes remain visible and he also has multiple black rings floating around his head like a halo with multiple Dark Stars floating around her.