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

黒崎 一護, Wiki

What is Bankai? - Quora

Can Ichigo still use Fullbring? - Quora

Bleach (season 3) - Wikipedia

Exciting New Bankai Revealed In the Thousand-Year Blood War Arc

BLEACH OC Yomichi Okikiba by sekihann on DeviantArt

黒崎 一護, Wiki

阿散井 恋次, Wiki

Grimmjow Workout Routine: Train like the Bleach Arrancar!

Ranking Every Gotei 13 Captain In Bleach From Strongest to Weakest

Bleach: How do captains learn their Bankai? Explained

What is Bankai? - Quora

Bankai Training, Bleach Wiki

Bleach: Best Bankai, Ranked By Strength