Vol. 4The Fifth Emperor’s Advance
Bai Yu broke with the World Government, became known as the Fifth Emperor, and moved to overthrow Kaido’s control of Wano. The volume ended with Kaido confronting Bai Yu at Udon and Zoro clashing with Nusjuro.
- Bai Yu freed Shirahoshi, killed Saint Charlos, and defeated Blackbeard as the Shichibukai defected and fought alongside him against the Five Elders’ plan.
- Jinbe, Dracule Mihawk, Dorry, and Brogy fought Nusjuro, and Dorry and Brogy sent him crashing into a distant city wall.
- Bai Yu killed Nusjuro, rang the Ox Bell sixteen times, left the Marines, and became known as the Fifth Emperor.
- Bai Yu recruited Fujitora, reached Zou, and began training Law and the crew as the Five Elders prepared to act.
- Bai Yu won Cat Viper and Inuarashi’s support and attacked Wano while Whitebeard faced the Four Emperors Alliance’s trap.
- Ace gave Whitebeard Bai Yu’s Senzu Bean, and Whitebeard recovered as Bai Yu advanced on the Flower Capital.
- Bai Yu killed Orochi and defeated Killer as he joined forces with the Nine Red Scabbards and Yamato in Wano.
- Bai Yu blocked Kaido’s attack at Udon, and Zoro intercepted Nusjuro and clashed with him.