Bankai Training, Bleach Wiki

Bankai Training is an event taking place over the course of the last three days of the Ryoka Invasion's central conflict: unable to defeat 6th Division Captain Byakuya Kuchiki and rescue Rukia Kuchiki at his current level of power, Ichigo learns of the existence of a rare secondary release for Zanpakutō known as Bankai and begins training to achieve it before Rukia's execution by using a dangerous but efficient process. During this period, the other Ryoka around the Seireitei find themselves in

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