Ch. 501Bankai: All-Ending
Ross and Unohana Retsu fought in a sealed sparring chamber, where Ross proved his swordsmanship superior and drew out her bloodthirsty First Kenpachi nature. Unohana Retsu released her Bankai, All-Ending, trapping them in a domain where they could leave only by losing the will to fight, and their first exchange left both badly wounded.
- Unohana Retsu let down her braid and revealed the murderous nature of Unohana Yachiru, the First Kenpachi.
- Ross and Unohana Retsu clashed blades in the Haki Stone-lined chamber, matching Spiritual Pressure as Ross blocked her attacks.
- Ross cut Unohana Retsu across the chest and outclassed her in swordsmanship, delighting her with the first technique-based defeat she had suffered.
- Unohana Retsu activated Bankai—All-Ending, creating a blood-filled domain where only losing the will to fight meant death and departure.
- Unohana Retsu and Ross attacked without retreating, and both suffered deep chest wounds in their simultaneous exchange.