Chapter Summaries

Ren recognized that he had arrived in Mary Geoise during Fisher Tiger’s great slave escape and helped Boa Hancock and her sisters flee. After discovering that he could not use most of his Naruto abilities in this world, he fought his way deeper into Mary Geoise and confronted a Marine wielding Armament Haki.

• Boa Hancock thanked Ren before he realized she was the future Pirate Empress and that the slave escape was underway.
• Ren learned that his ninjutsu and Chakra were unusable in the Pirate King World, while his physical strength and Eight Gates remained available.
• Ren urged the Hancock sisters to escape, then cut down the Marines pursuing them with his Baleful-Slaying Sword.
• Ren continued deeper into Mary Geoise and discovered that he could release Sword Aura with his sword in this world.
• A Marine in a white Justice coat crushed Ren’s Sword Aura with an Armament Haki-coated fist, then attacked him; Ren answered with Iron Body and a punch.

Ren defeated a Marine rear admiral and slaughtered the forces guarding Saint Degarcia’s residence in Mary Geoise. After killing the Celestial Dragon, he searched for the treasury and found a room full of gold.

• Ren crushed the Marine rear admiral, demanded to learn Haki training, and killed him when he refused.
• Ren killed the soldiers who tried to stop him, while Marines arriving later tracked his trail with the help of a dog-headed Marine.
• Ren entered Saint Degarcia’s residence as the Celestial Dragon ordered his men to recapture the escaped slaves.
• Ren killed Saint Degarcia and his guards, then searched the residence for its treasury.
• Ren found slaves wearing bombs and cut through the room’s walls with the Baleful-Slaying Sword before discovering a large quantity of gold.

Ren plundered a Celestial Dragon’s palace, then faced Kizaru and Zephyr when Marines tracked him down. Injured and outmatched, he rose after Zephyr’s blow and prepared to continue fighting.

• Ren took gold, a Devil Fruit, and the Devil Fruit Encyclopedia from the palace before leaving the enslaved people behind.
• Marines found Ren, and Kizaru attacked him with a light-speed kick; Ren dodged and countered with sword aura.
• Ren’s sword clash with Kizaru shattered clouds, but Zephyr joined the fight and met Ren’s punch with his own.
• Ren used One Sword of Zhu Xian to cut through Kizaru’s laser, but Zephyr struck him through several buildings.
• Ren blamed his lingering injuries for his weakness, then tossed aside his robe and challenged Kizaru and Zephyr to continue.

Ren used the Eight Gates to overwhelm Zephyr with speed and strength, but Zephyr’s Armament Haki kept him from breaking through his defense. After Kizaru fired a laser at Ren, Ren dodged it and faced the distant admiral.

• Zephyr charged Ren, and the two clashed with their fists before Ren struck Zephyr with a swift kick.
• Ren opened the Gate of Life and Gate of Pain, then repeatedly battered Zephyr in midair.
• Zephyr’s Armament Haki protected him from Ren’s attacks, while Ren’s injuries worsened from using the Eight Gates.
• Zephyr decided to end the fight quickly, and Kizaru fired a laser at Ren.
• Ren opened the Gate of Limit and Gate of View, dodged the laser, and identified Kizaru as his next threat.

Ren fought Kizaru in Mary Geoise, using the Eight Gates and a Seastone ring to overwhelm and send him crashing into the ruins. As Ren tried to escape while badly injured, a black-and-red Sword Aura struck and swallowed him.

• Ren opened six of the Eight Gates and attacked Kizaru, who struggled to evade his punches and sword strikes.
• The battle shattered slave cages and gladiator prisons, allowing countless slaves to flee while Zephyr remained encased in Armament Haki.
• Ren's killing intent caused Marines to faint, and he used the Baleful-Slaying Sword to attack them.
• Ren put on a Seastone ring, struck Kizaru with it, and kicked him through buildings into the ruins.
• As Ren tried to leave, his strength failed and a black-and-red Sword Aura swallowed him.

Ren was captured after using the Eight Gates to fight the Five Elders’ Sword Aura and destroy much of Mary Geoise, but he secretly planned to recover and visit Impel Down. As Garp’s ship carried him toward prison, Ren asked about Haki and encountered Aokiji’s insistence on upholding principles.

• Ren used Daytime Tiger against the Sword Aura, collapsed from his injuries, and was captured by the Marines.
• Garp told Ren that the Marines and Five Elders wanted to extract the Eight Gates technique, while Ren concealed his ability to heal and thanked Garp for his intervention.
• News spread that Ren had freed hundreds of thousands of slaves and been captured; Hancock asked Rayleigh to save him, but Rayleigh said it would be difficult.
• During the voyage to Impel Down, Ren walked on deck in Seastone handcuffs and asked Garp how to cultivate Haki.
• Aokiji interrupted Garp and warned that discussing Haki was inappropriate, while Ren challenged him to keep upholding his principles.

Ren arrived at Impel Down and was sent to Infinite Hell after Magellan ordered him imprisoned there. As he entered the prison, Ren healed nearly half his injuries with his Chakra and remained intent on obtaining something inside before escaping.

• Garp and Aokiji delivered Ren to Impel Down, where Magellan and Shiryu of the Rain met him.
• Ren ignored the gathered personnel and walked into the prison, while Magellan ordered him cleansed and sent to Infinite Hell.
• Ren stepped into the boiling bath and used his Chakra to heal nearly half his injuries before stopping so he would not escape prematurely.
• Magellan, Shiryu, and guards escorted Ren down to Infinite Hell, where imprisoned criminals mocked the newcomer.
• Ren entered the dark cellblock and surveyed the criminals with his golden eyes as Magellan tried to quiet them.

Ren revealed overwhelming Conqueror's Haki in Impel Down, recovered from his injuries, and escaped into the Trash Station. There, he summoned precious trash from the Wind and Cloud World, setting up his next opportunity to grow stronger.

• Ren's Conqueror's Haki overwhelmed the prisoners and guards, and a prisoner in the darkness identified it as the aptitude of a king.
• Magellan locked Ren in a cell and left with Shiryu, while the prisoners remained stunned by Ren's power.
• Ren broke down his Chakra to heal his injuries, then vanished from Infinite Hell, alarming the prisoners who witnessed his escape.
• Ren entered the Trash Station, retrieved the Amethyst Ring, removed his Seastone handcuffs, and changed out of his prison uniform.
• Ren asked for a world that could strengthen the physical body, and the Trash Station announced that precious trash from the Wind and Cloud World was arriving.

Ren found the Killing Fist technique on Jue Wushen's corpse and returned to Impel Down, where he asked the prisoners to teach him Armament and Observation Haki. When a giant prisoner challenged him, Ren answered with Killing Fist—Killing Heart.

• Ren recognized Jue Wushen after Wind and Cloud's fighters killed him and found the Killing Fist text on his corpse.
• Ren discovered that the Killing Fist used killing intent and blood vitality instead of internal energy, making it compatible with his own abilities.
• Ren returned to his cell in Impel Down and furnished it with luxurious belongings.
• Ren left his cell and asked the prisoners in Infinite Hell how to cultivate Armament Haki and Observation Haki.
• A giant prisoner mocked Ren and attacked him with an Armament Haki-coated fist, so Ren unleashed Killing Fist—Killing Heart.

Ren defeated a giant prisoner with his killing intent and learned Haki, then met Byrnndi Wall, the World Destroyer, in Impel Down’s Infinite Hell. As the prisoners begged him for freedom, Ren considered turning them into a force of his own.

• Ren shattered a giant prisoner’s Armament Haki-coated fist and right arm, then returned to his cell to drink tea.
• Byrnndi Wall emerged from the ice and offered to teach Ren Haki if Ren freed him.
• Ren recognized Wall as the World Destroyer and learned that he wielded the More-More Fruit.
• The prisoners grew excited when Ren said he could leave Impel Down, offering Haki lessons, Devil Fruits, weapons, and treasures in exchange for freedom.
• Ren rejected the idea of freeing them for nothing and considered recruiting the powerful prisoners into his own force.

Ren trained Observation Haki and began learning to control Armament Haki while negotiating with the prisoners of Infinite Hell. He considered whether to eat the Cell-Cell Fruit, whose cellular powers could enhance his body.

• Ren told World and the other prisoners that he would consider whom to take with him after recovering.
• Over seven days, Ren learned Observation Haki from the prisoners and quickly developed powerful sensory abilities.
• Ren tested his early Armament Haki, and World explained that improving it required training and a strong physique.
• Ren shared stored food with World and decided to remain in Infinite Hell to learn more about the One Piece World and recruit powerful subordinates.
• Ren examined the Cell-Cell Fruit and considered using its ability to control and strengthen cells.

Ren considered whether to keep the Cell-Cell Fruit, then faced Shiryu of the Rain when he arrived in Infinite Hell. Shiryu found the prisoners free and obedient to Ren, and poured him tea before declaring his challenge.

• Ren stored the Cell-Cell Fruit after Wall explained how its first known user had founded the Prodence Kingdom.
• Wall and the prisoners discussed Devil Fruits while Ren declined offers to take the fruits they had stored.
• Shiryu of the Rain arrived in Infinite Hell and discovered the prisoners had removed their Seastone cuffs and turned Ren's cell into a palace.
• Ren ordered the prisoners to stop shouting, and Shiryu poured tea for him under their pressure.
• Ren asked whether Shiryu had come to challenge him, and Shiryu confirmed that he wanted to fight him with swordsmanship.

Ren defeated Shiryu’s challenge in Impel Down’s Infinite Hell and secured his loyalty, but postponed their escape until the prisoners recovered and he had chosen potential crewmates. World questioned Ren’s plans, then fell silent when Ren asked whether he would submit to him.

• Ren demanded Shiryu’s loyalty, and Shiryu challenged him to a fight before agreeing.
• Ren revealed his Zhu Xian Sword Intent and overwhelmed Shiryu, who admitted defeat.
• Ren let Shiryu return to his duties and told him to follow when Ren eventually left Impel Down.
• Ren explained to World that he needed time to study Devil Fruits and assess the prisoners before escaping.
• Ren asked World whether he would join him, and World silently considered the question.

After months of controlling the prisoners in Infinite Hell, Ren prepared to lead them in a breakout. He destroyed the elevator and opened a route to the fifth level, where the escape alarmed the guards.

• Ren explored the unsupervised fifth level, frightened the Battle Wolves, and gave roasted meat to a freezing prisoner.
• Over several months, Ren learned about the One Piece World from the prisoners and used food and his strength to keep them under control.
• Ren ordered World to prepare for a prison break, and the prisoners cheered as they gathered to follow him.
• World identified the solitary Patrick Redfield as a powerful Mythical Zoan user, and Redfield gave Ren a Vivre Card after drinking his wine.
• Ren led the prisoners toward the central elevator and destroyed it with the Baleful-Slaying Sword, opening a passage to the fifth level.
• Guards saw the escaped prisoners emerge and called for help.

Ren led the prisoners of Infinite Hell in a mass breakout, freeing inmates on the fifth and fourth levels while Marines prepared to stop them. He reached the third level with Wall and the remaining prisoners, intending to destroy Impel Down and use disloyal followers as cannon fodder.

• Ren ordered the prisoners to free everyone on the fifth level and advance toward the fourth.
• A jailer told Magellan that Ren had escaped with the prisoners of Infinite Hell, and Magellan alerted Marine Headquarters.
• Sengoku ordered warships and Marines to head for Impel Down after Ren spoke to him through the Den Den Mushi.
• Ren and the prisoners stormed the fourth level, freed its inmates, and continued toward the third level.
• Wall warned Ren that some prisoners planned to betray him, and Ren said he would use them to delay the Marines.

Ren and the escaped prisoners fought their way past Magellan on the third level, while Shiryu betrayed Impel Down and joined Ren. Magellan went berserk as the survivors reached the second level, where his crimson poison erupted and engulfed the level.

• Magellan unleashed his Poison Dragons against the prisoners while ordering Shiryu to stop Ren and the escapees.
• Ren cut apart Magellan’s Venom Demon as the prisoners attacked Magellan with Armament Haki.
• Shiryu opened a passage to the second level and followed Ren, while World and the other prisoners rushed after them.
• Magellan raged over Shiryu’s betrayal and spread poison that melted prisoners in his path.
• Ren and the prisoners crossed the thorn-filled second level, but Magellan’s crimson poison surged through the entrance and engulfed it.

Ren and the escaped prisoners faced Magellan’s awakened Venom-Venom Fruit as they fled Impel Down. Ren summoned two warships and made the surviving prisoners choose whether to follow him while Magellan pursued them.

• Magellan unleashed awakened poison that formed a giant and sent Poison Dragons after the prisoners, but Ren and World struck back and Ren headed for the prison gate.
• Shiryu opened the gate and told Ren that Magellan had destroyed the warships outside, leaving only a few small boats available.
• Ren killed prisoners who looked ready to seize his ships, then used Conqueror’s Haki to knock out those he deemed unworthy to follow him.
• Magellan melted the unconscious prisoners with his spreading poison as Ren went outside and summoned two enormous warships from the sea.
• Ren offered the prisoners a choice of ships while Magellan pursued them, and World agreed to follow Ren.

Ren and his followers escaped Impel Down aboard an automated warship while Magellan tried to stop them. Ren unleashed a powerful sword strike that destroyed Magellan’s venom giant and engulfed Impel Down as the ship sped away.

• Wall asked whether they should kill the prisoners who had joined a second warship, but Ren said they should leave them as cannon fodder for the Marines.
• Ren ordered his ship to depart as Magellan fought through the escaped prisoners, and Patrick Ryder Feld joined them after explaining he had stayed to see how Ren would escape.
• Ren’s warship broke through Impel Down’s outer perimeter and headed toward the Calm Belt, while the second warship sailed uncontrollably toward Marineford.
• Ren raised the Baleful-Slaying Sword and released a full-power Zhu Xian Sword Aura toward Impel Down.
• Ren’s sword aura destroyed Magellan’s venom giant and engulfed Impel Down, then Ren ordered the ship onward as his followers cheered.

Sengoku’s fleet learned that Ren had escaped Impel Down with Shiryu and that a warship carrying prisoners was charging at them. The prisoners’ forced attack turned into a bloody battle that delayed the Marines while Ren’s ship escaped in the distance.

• Domino told Sengoku that the prisoners had escaped and that Shiryu and Magellan could not hold them back for long.
• A Marine soldier reported that Ren had escaped with Shiryu and sent one warship carrying unwilling prisoners toward the fleet.
• Sengoku ordered the Marines to capture the prisoners, but their steel warship rammed a Marine vessel before Qing Zhi froze it and Akainu attacked.
• The prisoners fought the Marines as Garp and Sengoku battled them, suffering heavy Marine casualties.
• Saint Raphael confronted Sengoku and explained that Ren had supplied the prisoners with food in Infinite Hell, allowing them to regain their strength.

Ren organized the escaped Impel Down prisoners into a fleet and captured a Marine ship carrying Nico Olvia and Vice Admiral Jaguar D. Saul. Patrick Redfield declined to become Ren’s first mate but promised to help him, and seven days later news spread that Impel Down had fallen and its prisoners had escaped.

• Ren ordered World and Shiryu to organize the escaped prisoners into divisions and build a fleet of ten thousand.
• Ren had Sanjuan Wolf seize a Marine warship carrying prisoners to Impel Down.
• Ren identified the prisoner as Nico Olvia and the Marine commander as Vice Admiral Jaguar D. Saul, then freed Olvia and ordered the Marines locked up.
• Patrick Redfield refused to join Ren as first mate but offered to help him in the future.
• Seven days later, newspapers announced that Impel Down had fallen and all its prisoners had escaped.