The story of , titled "Zangetsu Becomes an Enemy," is a pivotal moment in the non-canon Zanpakuto Unknown Tales arc . It explores the terrifying reality of a warrior losing control of their own soul and weapon. The Betrayal of the Soul
As Ichigo confronts the physical manifestation of Zangetsu, he faces a dual threat: Bleach Episode 233
Ichigo must fight the very mentor who taught him how to use his power. Zangetsu uses Ichigo's own techniques against him, proving that the blade knows the wielder better than the wielder knows himself. The story of , titled "Zangetsu Becomes an