The Soul Society faces a new, unprecedented threat as the Arrancar surge into the Human World. Among them are elites whose power rivals the strongest Captains. In response, Central 46 reluctantly authorizes the deployment of their most secret and terrifying weapon: Ezekiel Napier. Rumored to be the child of a forbidden union between a Shinigami and a Quincy, his origins are unknown even to most high-ranking officers. His destructive capability surpasses anything the Gotei 13 has faced, and his presence on the battlefield warps the very air and land.