While heading toward the battlefield, and Killer B encounter the reanimated Itachi Uchiha and Nagato , who are being controlled by Kabuto Yakushi.
Originally intended to stop Sasuke, the eye of Shisui Uchiha on the crow instead targets Itachi himself, overriding Kabuto's command with the order to "protect the Hidden Leaf," effectively freeing Itachi from the Edo Tensei's control. Naruto Shippuden Episode 298
To escape Kabuto's control, Itachi activates his Mangekyō Sharingan. This triggers a failsafe he previously placed inside Naruto: a crow emerges from Naruto’s mouth, casting the powerful genjutsu Koto Amatsukami . While heading toward the battlefield, and Killer B