Chapter Summaries

Luffy stopped Ronan and Zoro from conquering Fish-man Island to save Sanji, insisting they would not harm innocent people. With no one volunteering the blood Sanji needed, Zoro drew Shusui and vowed to force the islanders to donate.

• Nami blocked Ronan and Zoro, warning that attacking Fish-man Island would make them like the Arlong Pirates.
• Robin explained that Fish-man Island's rejection of human blood stemmed from humanity's betrayal of Fisher Tiger.
• Luffy ordered Ronan and Zoro not to conquer the island, saying Sanji would never accept blood taken by harming innocent people.
• Ronan's and Zoro's killing auras faded, and Zoro sheathed the Third Generation Kitetsu.
• Usopp begged the Mermaids and Neptune Army soldiers to save Sanji, but no one responded.
• Zoro drew Black Blade Shusui and threatened to beat the islanders until they agreed to donate blood.

Luffy stopped Zoro from attacking the royal guards, then learned the New Fish-man Pirates were the reason nobody dared donate blood to Sanji. Camie offered a way to find a matching donor, and the Straw Hat Pirates set off for Coral Port aboard the Ryugu-jo as Prince Shaboshi worried about Ronan’s power.

• Luffy clashed with Zoro’s aura and ordered him to stop before the confrontation turned violent.
• Prince Shaboshi explained that the guards feared retaliation from the New Fish-man Pirates if they helped the humans.
• Camie arrived and said stranded humans at Coral Port could provide Sanji with a matching blood type.
• Shaboshi lent the Straw Hat Pirates the Ryugu-jo, and Camie guided it toward Coral Port with Sanji aboard.
• After the ship departed, Shaboshi told his brothers that Ronan was the monster who had fought Iron Fist Garp without falling behind.

Sanji neared death after losing blood, and the Straw Hats struggled to find a donor on a fearful Fish-Man Island. They found human pirates willing to donate, and Sanji woke in the Mermaid Café’s back courtyard.

• Camie explained that rumors of a dark force had frightened visitors away from Fish-Man Island, making people afraid to donate blood to a human.
• Luffy, Chopper, and Usopp begged the crowd in Coral Town for a donor, but the Fish-Men and Mermaids backed away in fear.
• Chopper caught the scent of humans near the Mermaid Café and found cloaked human pirates preparing to leave through its back door.
• The human pirates donated blood to Sanji, who later woke in the café’s back courtyard.
• Camie and Usopp urged Sanji to lie back down because his blood pressure was still unstable.

Ronan rebuked Sanji for letting his lust endanger himself and promised to cure the weakness after they entered the New World. Camie then brought Luffy and Usopp to meet Madame Shyarly, warning her to stay away from Sanji while he recovered.

• Sanji began recalling what had happened underwater and nearly started bleeding again, so Luffy and Usopp covered his face while Chopper panicked.
• Zoro scolded Sanji, and Ronan warned him that his lack of self-control could make him a liability in the New World.
• Ronan told Sanji he would find an effective way to cure his weakness, but kept his plan secret from the curious crew.
• Camie led Luffy and Usopp through the Mermaid Cafe to meet its owner, Madame Shyarly.
• Camie warned Madame Shyarly not to enter Sanji's room because seeing a beautiful woman could make him collapse again.

Madame Shyarly told Luffy and Usopp she had abandoned future-telling, but Luffy’s crude question shattered the solemn mood. A commotion drew Camie, Luffy, and Usopp outside, where the people of Coral Hill stared in shock at a vast shadow descending from the palace.

• Madame Shyarly warned Luffy and Usopp not to touch her crystal ball and explained that she had stopped divining because knowing the future brought despair.
• Luffy asked Madame Shyarly how Mermaids used the toilet, and Usopp struck him and apologized with Camie.
• Madame Shyarly let Camie take the group sightseeing because business had been declining.
• A Mermaid girl rushed into the café and announced that “that person” had arrived.
• Camie, Luffy, and Usopp went outside and saw the crowd staring up as an enormous shadow covered the street beneath the bubble dome.

King Neptune personally arrived in Coral Hill and invited Luffy and the Straw Hat Pirates to Ryugu Palace. Luffy accepted eagerly after learning that Neptune had prepared a huge banquet.

• Luffy and the others watched as King Neptune descended into Coral Hill, astonishing the island’s residents.
• Camie identified Neptune as the king of the Ryugu Kingdom and warned Luffy to show respect.
• Neptune announced that he had come to invite the Straw Hat Pirates to Ryugu Palace, leaving the crowd stunned.
• Camie explained that Ryugu Palace was the royal residence and a place ordinary people were forbidden to enter.
• Luffy asked whether Ryugu Palace had plenty of food, and Neptune promised a grand banquet.
• Luffy eagerly agreed to go to Ryugu Palace.

King Neptune brought the Straw Hat Pirates to Ryugu Palace, where his ministers scolded him for leaving the palace unguarded and Princess Shirahoshi’s safety came into question. The palace descended into chaos when a huge axe flew toward the Hard-Shell Tower, and Luffy and Zoro suspected a Devil Fruit user was behind it.

• King Neptune welcomed Ronan, Luffy, and the others to Ryugu Palace, where the Ministers of the Right and Left berated him for wandering off without guards.
• King Neptune asked about Princess Shirahoshi, and the Minister of the Left revealed that something had happened to her again.
• A giant double-bladed Battle Axe flew toward the Hard-Shell Tower, and Princess Shirahoshi cried out in fear.
• Sanji swooned at the sound of Princess Shirahoshi crying while the palace guards rushed toward the tower.
• Luffy and Zoro found no sign of a nearby attacker and suspected a special Devil Fruit user had thrown the axe.

King Neptune explained that Vander Decken IX had terrorized Princess Shirahoshi for ten years, forcing her to live in the Hard-Shell Tower. After Nami stopped Zoro and Sanji from fighting in Ryugu Palace, Luffy promised to deal with Vander Decken.

• King Neptune revealed that Vander Decken IX used the Target-Target Fruit to launch weapons at Shirahoshi, leaving her confined in the Hard-Shell Tower for ten years.
• Zoro questioned why the kingdom had not simply found and killed Vander Decken, and Sanji attacked him for dismissing Shirahoshi’s suffering.
• Zoro and Sanji clashed in Ryugu Palace until Nami knocked them both unconscious and apologized to the stunned Fish-Men.
• Luffy lowered his hat brim and told King Neptune to leave Vander Decken to the Straw Hat Pirates.

Luffy promised King Neptune that the Straw Hat Pirates would stop Vander Decken from harassing Princess Shirahoshi, but Nami demanded treasure as payment. Neptune agreed to let them take whatever they could carry from the treasury, and the crew headed to a lavish royal banquet.

• Luffy began promising to protect Shirahoshi, but his stomach growled and he insisted on eating first.
• Nami asked King Neptune for treasure in exchange for dealing with Vander Decken, and she knocked Luffy down when he objected.
• King Neptune agreed that the Straw Hat Pirates could take as much treasure as they could carry if they freed Shirahoshi from Vander Decken.
• Nami celebrated the chance to become rich, while Ronan, Usopp, and the others reacted to her greed.
• King Neptune invited the Straw Hat Pirates to a royal feast, and they entered the luxurious banquet hall.

The Straw Hat Pirates enjoyed a lavish banquet at Ryugu Palace while, in Coral Hill, a guard captain accused them of abducting Mermaid girls and argued that humans could not be trusted. The Mermaid witnesses defended the crew, but the captain remained convinced that they were responsible.

• Luffy, Zoro, Sanji, and the other Straw Hat Pirates feasted, drank, and enjoyed the entertainment at Ryugu Palace.
• Ronan quietly savored deep sea sashimi while observing the palace and the banquet.
• Ryugu Kingdom guards surrounded Mermaid Bay and questioned the Mermaid girls about the missing Mermaids.
• A Mermaid who had welcomed Sanji defended the Straw Hat Pirates and said they had treated the girls well and sought help for their injured companion.
• The Captain of the Guard dismissed the Mermaid girls’ defense and accused humans of having a motive to abduct Mermaids for sale at the Sabaody Archipelago slave auctions.
• An older Fish-Man resident challenged the captain’s certainty, but the captain insisted that human pirates had deceived and abducted Mermaids before.

Madame Shyarly prophesied that Straw Hat Luffy would destroy Fish-man Island, leaving Prince Shaboshi torn between preventing the kingdom’s destruction and avoiding the wrath of Luffy’s sworn brother, the Flame Emperor. Shaboshi ordered the Straw Hat Pirates arrested while, at Ryugu Palace, Nami questioned King Neptune about the sunlight reaching the island.

• Madame Shyarly told Prince Shaboshi that she had seen Ryugu Palace collapse and Fish-man Island consumed by flames, with Luffy standing amid the ruins.
• Shaboshi realized that Luffy was the sworn younger brother of Ace, the Flame Emperor and protector of Fish-man Island, and feared provoking him.
• Shaboshi ordered the Royal Imperial Guards to deploy the entire army and arrest the Straw Hat Pirates.
• At the Ryugu Palace banquet, Luffy, Zoro, and Sanji recovered from the feast in their usual ways.
• Nami gazed through the palace window at the sunlight illuminating Fish-man Island and asked King Neptune how it reached the deep sea.

King Neptune explained how Sun Tree Eve brought sunlight and air to Fish-Man Island, while Luffy left the feast and wandered deeper into Ryugu Palace. He reached the enormous gate of the Hard-Shell Tower, the fortress protecting Princess Shirahoshi from Vander Decken’s attacks.

• King Neptune told Nami and Robin that Sun Tree Eve carried sunlight and air from the surface to Fish-Man Island.
• Luffy rapidly digested the feast, declared himself about eighty percent full, and slipped away to take a walk.
• Luffy wandered through the quieter, dimmer corridors deeper inside Ryugu Palace.
• Luffy came to the massive, weapon-studded gate of the Hard-Shell Tower.

Luffy mistook the sealed room in Hard-Shell Tower for a food storehouse and stumbled into the sleeping Princess Shirahoshi. The light revealed her enormous mermaid form, leaving Luffy stunned.

• Luffy smelled royal food behind the massive door and decided the room must be a secret storehouse.
• Luffy forced the door open, entered the pitch-black room, and jumped onto a soft, springy surface.
• Luffy bounced on Shirahoshi’s chest until her frightened scream switched on the room’s lights.
• Shirahoshi’s movement flung Luffy into a wall, and he turned to see the giant mermaid princess.

Luffy stumbled into the Hard-Shell Tower while looking for dessert and frightened Princess Shirahoshi, who mistook him for an assassin. As the Neptune Army rushed to the tower, Luffy tried to explain that he was only hungry.

• Shirahoshi accused Luffy of being an assassin sent by Vander Decken and broke down crying when he failed to reassure her.
• Shirahoshi's cries alerted the royal guards, and the Captain of the Guard and Minister of the Left led the Neptune Army toward the Hard-Shell Tower.
• Ronan noticed Luffy had disappeared from the banquet hall and guessed that he had met the Mermaid Princess.
• Luffy denied being an assassin and told Shirahoshi he had entered because he smelled something delicious and wanted dessert.

Luffy destroyed a flying axe just before it could hit Princess Shirahoshi, while the Straw Hat Pirates were surrounded at Ryugu Palace and accused of kidnapping mermaids and threatening Fish-man Island. The guards prepared to arrest them based on a report from Prince Shaboshi and Madame Shyarly’s prediction.

• Luffy rushed in front of Princess Shirahoshi and smashed the flying battle axe with one punch.
• Luffy told Shirahoshi that he was not an assassin.
• Minister of the Left received a classified message from Prince Shaboshi and ordered the Neptune Army to surround the Straw Hat Pirates.
• Usopp noticed that hundreds of Ryugu Palace guards had surrounded the banquet hall and aimed their tridents at the crew.
• Minister of the Left accused the Straw Hat Pirates of kidnapping mermaid girls and cited Madame Shyarly’s prediction that they would destroy Fish-man Island.

Ronan confronted the Ryugu Palace forces after they turned against the Straw Hat Pirates, then unleashed a devastating spear attack as thousands of guards charged. His strike tore through the palace floor and the guards at the front of the formation.

• Nami angrily protested that the Ryugu Palace forces had betrayed the Straw Hat Pirates, while Zoro and Sanji slept through the confrontation.
• Ronan summoned his Eighteen-Foot Spear and released a killing intent that terrified the guards and King Neptune.
• The Minister of the Left insisted that Madame Shyarly's prophecy required the capture of Ronan's Group and ordered the Neptune Army to charge.
• Ronan swung his spear and unleashed Ground Thunderclap, a massive shockwave that ripped through the floor and cut down the front ranks of guards.

Ronan’s Group fought the Fish-Man Guards in Ryugu Palace after the guards tried to arrest them, overwhelming the defenders with their strength. As Usopp prepared to attack from the rear, the massacre continued.

• Ronan blasted the guards’ formation into blood mist and told Camie that the guards had chosen to make enemies of them.
• Brook froze dozens of charging guards with his Humming Sword: Blizzard Slash.
• Nami unleashed Ten Million Volts: Wild Lightning Heavenly Prison, scorching hundreds of Fish-Man Guards.
• Usopp readied his custom Alloy Slingshot and warned the guards that he would not hold back.

After the Ryugu Palace guards attacked the Straw Hat Pirates over a prophecy, the crew quickly defeated them, and Ronan threatened the kingdom with the power to destroy Fish-man Island. Neptune remained torn over whether to aid his ministers against them.

• Chopper, Robin, Franky, and the others defeated the Ryugu Palace guards in under five minutes while holding back.
• Usopp accused the Minister of the Left of using an unproven prophecy to justify arresting the crew, but the minister blamed the destruction on them.
• Ronan pointed his Eighteen-Foot Spear at the Minister of the Left and warned that destroying Fish-man Island would be as easy as breathing if that were their purpose.
• The Minister of the Left urged Neptune to attack the Straw Hat Pirates, while Neptune hesitated, believing the crew were not criminals and that Ryugu Palace had provoked the fight.

King Neptune attacked Ronan's group to force the Straw Hat Pirates to surrender, but Zoro blocked his strike with one hand and one sword. Zoro rejected Neptune's warning about casualties and declared that only Neptune's side would suffer them.

• Neptune asked the Straw Hat Pirates to surrender temporarily and charged Ronan's group with his golden trident.
• Zoro rose from the shattered wine barrels and blocked Neptune's full-power strike with Shusui.
• Usopp realized Zoro had been awake, while Neptune and the ministers stared in disbelief at the blocked attack.
• Neptune warned that resisting would cause casualties on both sides and urged the group to surrender.
• Zoro told Neptune that only his side would suffer casualties in the battle.

Zoro defeated King Neptune with a single sword slash, leaving the Ryugu Palace guards in despair. Meanwhile, Luffy urged Princess Shirahoshi to leave the Hard-Shell Tower, but she was terrified because she had never been outside.

• The Captain of the Guard charged Zoro to rescue Neptune, but Neptune ordered the guards to stay back and faced Zoro himself.
• Neptune attacked with his Super Sea Current Spear, and Zoro answered with One Sword Style: Harbor Bird.
• Zoro's slash cut Neptune's golden trident in two and hurled him into a wall, burying him beneath rubble.
• The ministers and surviving guards collapsed in despair as Neptune's fate remained unknown.
• In the Hard-Shell Tower, Luffy told Shirahoshi he would protect her and take her outside for a walk.
• Shirahoshi panicked at the thought of leaving because she had never been outside and feared the danger there.