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.
Chapters 301–400 Read from Ch. 301

Arc 13The Mary Geoise Trap

Bai Yu defeated the conspirators threatening Fish-Man Island and went to the World Affiliated Nation Conference, where the Five Elders trapped him and tried to make the Shichibukai kill him. Most of the Shichibukai defected to his side, and the fighting left Nusjuro’s fate uncertain.

  • Bai Yu rescued Shirahoshi, killed Hody Jones, Vander Decken, and Vergo, and helped Neptune agree to attend the conference.
  • Bai Yu warned Ace that Teach would kill Thatch for the Dark-Dark Fruit, while the World Government summoned the Shichibukai to Mary Geoise.
  • Bai Yu defeated Ryuma at Sabaody, then met Sengoku, Garp, and Dragon, who warned him of the Five Elders’ plan to kill him.
  • At the conference, the Celestial Dragons tried to seize Shirahoshi, so Bai Yu arrived, freed her, killed Saint Charlos, and challenged CP0.
  • Nusjuro confronted Bai Yu and revealed that the World Government had assembled the Shichibukai to attack him, including Teach, who admitted killing Thatch.
  • Dorry, Brogy, Hancock, Jinbe, Dracule Mihawk, Kuma, and Moria refused to fight Bai Yu and gave up their titles, leaving Teach as the only Shichibukai still backing the plan.
  • Bai Yu struck Blackbeard down, while Jinbe, Dracule Mihawk, Dorry, and Brogy fought Nusjuro, and Dorry and Brogy sent him crashing into a distant city wall.
Chapters 301–32525 summaries Read

Arc 14The Fifth Emperor’s Recruitment

Bai Yu killed Nusjuro, rang the Ox Bell to mark the old era’s end, and became known as the Fifth Emperor. He recruited Fujitora and traveled to Zou, where he began training Law and the crew as the Five Elders prepared their next moves.

  • Bai Yu defeated Nusjuro, took his head, and left Daps and Killer scrambling to conceal the loss.
  • Bai Yu returned to Marineford alive, showed Nusjuro’s head, and rang the Ox Bell sixteen times before Rosa’s attack was halted.
  • Bai Yu left the Marines and was recognized as the Fifth Emperor as pirates and former allies declared their support.
  • Bai Yu traveled to Han'erbana with Ace, defeated Bear King, and recruited Fujitora after their destructive battle.
  • Bai Yu learned from Sengoku that Blackbeard had revived and escaped Impel Down, while Ace chose to return to Whitebeard.
  • Daps delivered the Five Elders’ orders removing Sengoku and naming Sakazuki Fleet Admiral, but the Elders grew uneasy after learning Bai Yu had recruited Fujitora.
  • Bai Yu’s ship reached Zou, where Fujitora shielded it from the island’s waves and Law prepared to prove his strength.
  • Law lifted the warship through the air with ROOM, Fujitora began gravity training, and Bai Yu’s Observation Haki alerted Zou’s hidden fighters.
Chapters 326–35025 summaries Read

Arc 15The Gift and the Banquet

Bai Yu brought Cat Viper and Inuarashi into his campaign against Kaido, then struck Wano while the Four Emperors Alliance gathered to ambush Whitebeard. A Senzu Bean from Bai Yu restored Whitebeard, and the arc ended with news that Bai Yu was advancing on the Flower Capital as the banquet battle continued.

  • Bai Yu defeated Pedro, Cat Viper, and Inuarashi, then won the Mink leaders’ support by promising to defeat Kaido, destroy the Beasts Pirates, and open Wano Country.
  • Charlotte Linlin and Kaido formed their Four Emperors Alliance, while Daps revealed the Five Elders’ plan to target Whitebeard and Nusjuro joined the gathering.
  • Whitebeard chose to attend the banquet despite Ace’s warning that it was a trap, and pirates and potential allies flocked to Whole Cake Island.
  • Bai Yu used Fujitora’s gravity to carry the warship through Wano’s whirlpools, destroyed the sea entrance, and killed Queen after Dorry and Brogy overwhelmed the Flying Six.
  • At the banquet, Kaido and Charlotte Linlin confronted Whitebeard, Nusjuro appeared, and Catarina Devon stabbed Whitebeard while Teach’s crew revealed themselves.
  • Shanks held Nusjuro back as Whitebeard was overwhelmed by combined Haki, until Ace gave him Bai Yu’s Senzu Bean and the bean healed his wounds.
  • Whitebeard recovered and struck Blackbeard with a powerful slash, but Kaido and Charlotte Linlin intervened, and King reported that Bai Yu was advancing on the Flower Capital after defeating Queen and capturing the Flying Six.
Chapters 351–37525 summaries Read

Arc 16Wano’s Fall and Kaido’s Arrival

Bai Yu destroyed the Four Emperors Alliance’s hold on Wano, killed Orochi, and defeated Killer, drawing Imu’s attention. At Udon, he reunited with his crew, faced Kaido and the arriving Nusjuro, and Zoro took on Nusjuro.

  • Kaido abandoned the alliance and flew toward Wano, while Whitebeard ended the fighting and declared that the next era would be called Bai Yu.
  • Bai Yu rescued Kozuki Hiyori, killed Orochi, and promised to help open Wano’s borders as the Nine Red Scabbards joined him.
  • Bai Yu scattered Orochi’s forces with Conqueror’s Haki, killed Orochi’s hidden incarnations, and defeated Killer with a devastating slash.
  • Imu healed Killer and ordered the Five Elders to capture Bai Yu alive, while Bai Yu met Yamato near Udon.
  • Dorry and Brogy broke through Udon’s defenses, and Bai Yu arrived with Yamato as Yamato fought Zoro, Nami, Carina, and Sanji.
  • Kaido attacked Udon, but Bai Yu blocked his Dragon Breath, and Yamato challenged Kaido and refused to submit to him.
  • King detonated Yamato’s explosive collar, but Bai Yu removed it before it could explode, and Kaido exposed Bai Yu’s group’s act to Yamato.
  • Bai Yu broke Kaido’s Demolition Gust and accused him of working with the Five Elders, while Zoro intercepted Nusjuro and clashed with him.
Chapters 376–40025 summaries Read
Volume 4 of 8
Volume 4 of 8