Sensing the buildup of Chakra, Kabuto could only react as quickly as possible, almost instinctively. Uchiha Itachi used eye techniques. He couldn't afford to have himself ensnared or killed by one, though he's certain Orochimaru-sama would be fine. Quick as thought, the hand on Itachi's throat shoots straight up, the back of his wrist impacting hard against his chin to direct his vision straight upward. The movement of his hands restores the other's ability to breathe, but that was hardly important. "Amaterasu!"