Chapter Summaries

Jin An learned that Arlong had rebelled on Fish-Man Island and headed there to suppress him. At Ryugu Palace, Arlong confronted Neptune and Otohime, demanding that Neptune abdicate as the standoff reached a breaking point.

• Jin An received a report of Arlong's rebellion and ordered Kuzan to take men to Fish-Man Island.
• Jin An used the Door-Door Fruit to travel to Fish-Man Island.
• Arlong taunted the guards in Ryugu Palace while his followers stood behind him.
• Arlong accused Neptune and Otohime of failing Fish-Man Island, and Otohime argued that violence would not bring change.
• Arlong demanded that Neptune abdicate or be forced from the throne, and the guards and his followers prepared for a clash.

Arlong attacked Ryugu Palace, declaring that Fish-Man Island would belong to him, and defeated Neptune in a brief clash. As Arlong prepared to strike again, a familiar oppressive force arrived and an unseen speaker confronted him.

• Arlong killed a guard who invoked Jin An and threatened anyone who mentioned the admiral again.
• Arlong rejected Neptune and Otohime’s appeal for unity and announced that he would take control of Fish-Man Island.
• Neptune charged Arlong with his trident, but Arlong stopped the attack with his arm and hurled Neptune into a wall.
• Otohime rushed to Neptune as Arlong declared that anyone who resisted him would die.
• A powerful presence approached Ryugu Palace, and a calm voice told Arlong, “you’ve got some nerve.”

Jin An confronted Arlong at Ryugu Palace and crushed his resistance with his overwhelming presence. He offered Arlong a chance to challenge him by taking all his Energy Steroids, leaving Arlong clutching the bottle and hoping the drugs could turn the fight around.

• Arlong became terrified as Jin An's presence reached Ryugu Palace and could not bring himself to speak or flee.
• Jin An arrived and forced Arlong to his knees, then asked whether he understood the consequences of causing trouble on Fish-Man Island.
• Jin An intensified the pressure until the floor cracked and Arlong collapsed, begging for his life.
• Jin An offered Arlong a chance to challenge him if he took all his Energy Steroids.
• Arlong stared at his medicine bottle and decided the Energy Steroids could give him the strength to defeat Jin An.

Arlong swallowed every Energy Steroid and challenged Jin An, but Jin An killed him with a single swift strike. Jin An warned Fish-Man Island’s remaining guards and officials that he would punish anyone who threatened its future.

• Arlong took all the Energy Steroids and felt his strength surge as he prepared to fight Jin An.
• Arlong charged Jin An, but Jin An dodged and cut his throat, killing him with one strike.
• The Fish-Men in Ryugu Palace watched in shock as Jin An dismissed Arlong’s enhanced power and told them that challenging Fish-Man Island’s order had consequences.
• Neptune comforted the shaken Otohime as she worried about Jin An’s overwhelming power and Fish-Man Island’s future.
• Jin An warned that he would settle the score with anyone who violated Fish-Man Island’s future.

Arlong revealed that his faction had planned to assassinate Otohime, but Jin An dismissed his threats and challenged his confidence. When tremors shook Ryugu Palace, Arlong announced that Vander Decken IX had also acted, leaving the island in danger as Jin An remained unfazed.

• Arlong admitted that his faction had planned to assassinate Otohime while she collected petition signatures.
• Jin An confronted Arlong, and Arlong’s confidence crumbled under his scrutiny.
• A series of powerful tremors shook Ryugu Palace, and Arlong announced that Vander Decken IX had made his move.
• Arlong claimed Vander Decken IX had trapped all of Fish-Man Island in a net, but Jin An said he was not afraid of him.
• Jin An told Arlong that Vander Decken would not save him, and Arlong’s defiance gave way to fear and despair.

Jin An used Observation Haki to find Vander Decken IX and vanished from Ryugu Palace to pursue him. Vander Decken IX attacked the palace with the Mato Mato no Mi, but its defenses held as he sensed an unseen danger closing in.

• Jin An spread his Observation Haki across Fish-Man Island and located Vander Decken IX.
• Jin An disappeared from Ryugu Palace, leaving Arlong, Neptune, and Otohime stunned.
• Vander Decken IX launched stones and wreckage at Ryugu Palace with the Mato Mato no Mi.
• Vander Decken IX grew uneasy when Ryugu Palace's defenses remained intact and he sensed an unseen threat nearby.

Jin An captured Vander Decken IX and brought him to Ryugu Palace, where the guards restrained him with Sea-Prism Stone handcuffs. After Neptune and Otohime arrived, Neptune vowed to end the chaos and resolve the conflict with humans in his own generation.

• Jin An subdued Vander Decken IX and carried him unconscious into Ryugu Palace.
• Jin An had the guards secure Vander Decken IX with Sea-Prism Stone handcuffs, and Vander Decken awoke bound.
• Neptune, Otohime, the Fish-Man princes, and Ryugu Palace soldiers arrived to find Vander Decken captured.
• Jin An explained that Vander Decken had tried to create chaos on Fish-Man Island, while Vander Decken claimed he had only thrown rocks.
• Neptune rebuked Vander Decken and vowed to end the chaos and resolve the conflict with humans during his own generation.

Jin An entered Vander Decken IX's lair in Fish-Man Street seeking information, then intervened when he found Fish-Men attacking a young mermaid. After the girl tried to stab him and the Fish-Men surrounded him, Jin An effortlessly fought them off.

• Jin An confronted a group inside a dilapidated building and demanded answers about Fish-Man Island, but they stayed silent.
• Jin An rushed to a girl's cry and ordered several Fish-Men to release a young mermaid they had cornered.
• The mermaid grabbed Jin An's hand, then suddenly tried to stab him, but he dodged and caught her wrist.
• Jin An knocked the mermaid unconscious as the Fish-Men closed in around him.
• Jin An dodged the Fish-Men's attacks and sent one crashing into a wall, leaving the rest shaken.

Shirahoshi joined Jin An on Fish-Man Island to see its dangerous side, trusting him to protect her. After Jin An swiftly defeated the Fish-Men who threatened him, the conflicted girl agreed to lead him to Vander Decken IX’s lair, hoping his strength might help change Fish-Man Street.

• Shirahoshi told Jin An that King Neptune had permitted her to accompany him, and Jin An explained that Fish-Man Street revealed the darker side of the world.
• Jin An reassured Shirahoshi, and she said she was not afraid with him beside her.
• Jin An and Shirahoshi confronted the Fish-Men who had threatened him, while the girl he had saved hesitated over her earlier plan to attack him.
• A burly Fish-Man ordered his men to seize Jin An, but Jin An struck them down before they could advance.
• Jin An asked the surviving girl to take him to Vander Decken IX’s lair, and she led him through Fish-Man Street’s alleys.

Jin An found evidence in Vander Decken IX's residence that the World Government and Vander Decken had conspired to keep Fish-Man Island in a cruel balance. He took the documents and prepared to act, while Shirahoshi vowed to protect the island; the little girl learned that Arlong and Vander Decken IX had both been captured.

• Jin An entered Vander Decken IX's residence with Shirahoshi and the little girl, finding Energy Steroids among the wreckage.
• Jin An discovered documents revealing cooperation between Cipher Pol and Vander Decken IX and a long-running plot that treated Fish-Man Island as a sacrifice.
• Jin An told Shirahoshi that the documents could help change the world's balance and said he would deal with the people named in them.
• Shirahoshi promised to protect Fish-Man Island and help ensure that those seeking change were heard.
• The little girl realized from their conversation that Arlong and Vander Decken IX had both been captured.

Neptune judged Arlong for betraying Fish-Man Island, while Otohime urged the island to reject hatred and pursue peaceful coexistence. Jin An promised to support that future as a human and an admiral, leaving Neptune ready to begin reforms and some Fish-Men reconsidering their hostility.

• Neptune confronted Arlong over his crimes, but Arlong defended violence and accused Fish-Man Island’s leaders of weakness.
• Otohime called for peaceful coexistence, and Neptune ended the trial by declaring that Arlong’s actions would be punished and reforms would begin.
• Jin An addressed the hostile Fish-Men, acknowledged the harm humans had caused, and promised to work for peaceful coexistence.
• Jin An argued that hatred would only worsen the conflict, and some Fish-Men’s hostility softened as they heard him.
• Neptune affirmed that Fish-Man Island’s reforms would begin that day, and Jin An accepted the responsibility of helping build a more peaceful future.

Jin An addressed Fish-Man Island in a broadcast, acknowledging the real harm caused by humans while urging residents to focus on a future above the sea. His words left many wary Fish-Men considering whether they could seek the sunlight and accept help from the Marines.

• Jin An's broadcast reached Fish-Man Island, and residents gradually began to see him as a person willing to face their grievances.
• Jin An told the Fish-Men they did not have to forgive or abandon their hatred, since the harm inflicted by pirates and traffickers was real.
• Jin An urged them to pursue Fish-Man Island's future and said reaching the surface and standing in sunlight would be a true victory.
• Jin An suggested Fish-Men could seek help from the Marines, while honestly admitting that only a few humans might support them.
• A young Fish-Man voiced the belief that they had the strength and right to stand in the sunlight, and other Fish-Men began to nod.

Otohime found renewed hope in Jin An’s support for peace between Fish-Man Island and humanity. His words spread among Fish-Man Island’s residents and the Neo Marines, while the Five Elders dismissed them as the Neo Marines began organizing across the Four Blues.

• Otohime watched Jin An address Fish-Man Island and felt that she no longer had to carry her hopes for peace alone.
• Over the following days, Jin An’s words spread among Fish-Man Island’s residents, prompting some to reconsider their hostility toward humans.
• Spies reported Jin An’s words to the Five Elders, but Saint Ethanbaron V. Nusjuro and the others dismissed them as inconsequential.
• Neo Marines across the Four Blues embraced Jin An’s ideals and promoted them as a call for peace and a new order.
• Dragon, Bartholomew Kuma, and regional leaders gathered allies and laid the groundwork for the Neo Marines’ rise.

Dragon and Bartholomew Kuma organized Neo Marine resistance networks in the East and South Blue while leaders across all Four Blues prepared to follow Jin An’s strategy. Dragon used the Fish-Man Island events to unite diverse allies, and the chapter ended with Kuma urging his forces to wait for the right moment.

• Dragon received Jin An’s strategy and ordered his subordinates to gather East Blue allies dissatisfied with the World Government.
• Bartholomew Kuma secretly built a South Blue resistance network focused on intelligence, resources, and a stable foundation.
• The Neo Marines’ West Blue leader planned to forge alliances and defeat potential enemies, while the North Blue leader worked to secure Germa’s loyalty and strengthen the Neo Marines’ position.
• Dragon addressed Giants, Fish-Men, and other allies in an East Blue base, framing the Fish-Man Island events as the beginning of a fight to end oppression rather than a campaign for revenge.
• Dragon urged his allies to build strength and wait for the right time instead of relying on anger or rushing into action.
• Bartholomew Kuma told a warrior and his South Blue squad to wait until the time was ripe and keep their plans hidden from the World Government.

Jin An and Kuzan departed Fish-Man Island after guiding Neptune and Otohime, while Fisher Tiger and Jinbe prepared to seek a future for their people beyond the island. As their ship left, Jinbe chose to follow Jin An, with Fisher Tiger supporting his decision.

• Jin An decided his work on Fish-Man Island was finished and prepared to leave with Kuzan.
• Fisher Tiger and Jinbe told Jin An they planned to leave Fish-Man Island and explore the outside world for new paths forward.
• Jin An encouraged them to hold to their beliefs as he and Kuzan boarded the Marine warship and sailed away.
• Watching the ship depart, Jinbe told Fisher Tiger he wanted to follow Jin An because he believed Jin An had shown Fish-Man Island a future.
• Fisher Tiger accepted Jinbe's choice, offered his support, and watched as Jinbe set off after Jin An.

Jin An asked Jinbe to join the Neo Marines, and Jinbe pledged his loyalty to him rather than the World Government. Jin An sent Jinbe to the North Blue to take over from Donquixote Doflamingo, who reluctantly agreed to follow the order while still hoping to reach the Grand Line.

• Jin An asked Jinbe whether he had truly decided to join the Neo Marines, and Jinbe confirmed that he followed Jin An rather than the World Government.
• Jin An assigned Jinbe to the North Blue and told him that Donquixote Doflamingo would explain the situation there.
• Kuzan watched Jinbe accept the responsibility of representing Fish-Man Island in the North Blue.
• Donquixote Doflamingo reflected on his boredom with the North Blue and his desire to make his name in the Grand Line.
• Donquixote Doflamingo accepted Jin An's order to remain in the North Blue for now and waited for a chance to leave.

Saint Shepherd Ju Peter led the Marines and God's Knights into a secret war against Blackbeard and his pirates on the Grand Line. The battle raged under a total information blockade, leaving the outside world unaware of the clash.

• Saint Shepherd Ju Peter arrived with a vast Marine fleet and ordered God's Knights to prepare to attack the Blackbeard Pirates.
• Blackbeard welcomed the approaching forces and declared that he would devour the Marines, the Five Elders, and God's Knights.
• The fleets exchanged cannon fire, and Blackbeard used the Dark-Dark Fruit to swallow the Marine artillery as both sides launched their assaults.
• God's Knights and the Blackbeard Pirates' fighters clashed in brutal combat while the battle remained sealed off from the outside world.
• Morgans failed to uncover any information about the war and angrily demanded to know why there was no news.

Sengoku worried over the human cost of the war against the Blackbeard Pirates while Jin An encountered Kaido at sea on his way back from Fish-Man Island. Kaido hinted that the world’s truth and the power Jin An sought were more complicated than he realized, then departed without fighting.

• Sengoku readied himself to face the war’s consequences and worried about the Marines and families who would suffer.
• Jin An sensed a huge presence approaching his ship and recognized Kaido as he boarded with Queen and King.
• Kaido told Jin An he had come to see him, not to recruit men or start a fight.
• Kaido warned Jin An that the world’s truth was complicated and questioned whether he was strong enough to reach his goal.
• Jin An said he would follow his own path and challenged Kaido to explain his, but Kaido turned away and left him wondering about the encounter.

Kaido challenged Jin An to a wagered fight, demanding resources to rebuild the Beasts Pirates if he won and agreeing to work for Jin An if he lost. They vanished to battle as King and the crew watched, knowing the outcome could decide the Beasts Pirates’ future.

• Kaido blamed Jin An for his downfall and challenged him, but Jin An initially refused to fight.
• Kaido offered a wager in which he would receive rebuilding resources and several Zoan Fruits if he won.
• Jin An proposed that Kaido work for him if Kaido lost, and Kaido accepted the wager.
• Kaido and Jin An disappeared to a distant battlefield while King and Queen watched with concern.
• Jin An and Kaido began clashing with Haki, sending shockwaves across the sea as the Beasts Pirates awaited the result.

Jin An fought Kaido over the sea and remained in control even after Kaido awakened and grew faster and stronger. The chapter ended with Jin An pinning Kaido down and explaining that brute force alone could not win a battle.

• Jin An calmly withstood Kaido's Conqueror's Haki and taunted him into using more power.
• Kaido transformed into his half-beast Nue form and unleashed a greater surge of Haki, but Jin An struck him into the sea.
• Kaido awakened and gained speed and power, then attacked Jin An with a fierce punch that hit nothing.
• Jin An appeared behind Kaido and restrained him with one hand on his shoulder, leaving Kaido unable to move.
• Jin An pressed Kaido down with overwhelming strength and told him that brute force alone could not win.