Vol. 4Umbrella’s New Alliances
Sephiroth expanded Umbrella Corporation’s influence, resigned from the Marines, and forged alliances with Big Mom and Germa while helping his allies pursue new futures. The volume ends with Alabasta’s mining rights under negotiation after an aqua-blue-haired girl overhears Cobra and Baccarat’s discussion.
- Sephiroth returned from the Rainbow Mist, reunited with Hancock, and gave her and her sisters Pure Gold rings.
- Sephiroth helped Ace and Luffy face Sabo’s apparent death, stole Tom’s Pluton blueprints, destroyed Spandam’s warships, and saved Bell-mère’s village from Arlong.
- Sephiroth intervened in Fish-Man Island’s crisis, helped save Queen Otohime, and captured Hody Jones and Vander Decken.
- After Beck’s ambush killed students and Edward Weevil severed Zephyr’s arm, Sephiroth drove off the attackers and reattached Zephyr’s arm before resigning from the Marines.
- Sephiroth ended Umbrella Corporation’s partnership with the Whitebeard Pirates, captured Shiki, and negotiated a secret alliance with Vinsmoke Judge.
- Sephiroth comforted Brulee in Totto Land and entered Charlotte Daifuku’s wedding venue after Katakuri intervened.
- Sephiroth agreed to an alliance with Big Mom, promising Giant clones and choosing Brulee as his bride.
- Sephiroth helped Ace set sail, trained Luffy in Second Gear, turned Tashigi into a vampire, and helped Nami join Yamato’s crew before pursuing Alabasta’s mining rights through Baccarat.