Chapter Summaries

Lin MuMu confronted Ivankov in Newkama Land and forced him to consider leaving Impel Down, while Ivankov discovered she was Lin Mo’s younger sister. After Lin MuMu used Conqueror’s Haki to overpower him and his companions, Ivankov remained unwilling to go, leaving her trying to persuade him to cooperate.

• Lin MuMu rejected Ivankov’s invitation to join Newkama Land and demanded that he leave Impel Down with her.
• Lin MuMu knocked out the Newkama Land residents with Conqueror’s Haki, but Ivankov struck her with Emporio Female Hormone, transforming her into a woman.
• Lin MuMu overpowered Ivankov, then denied being Lin Mo before claiming to be his younger sister, Lin MuMu.
• Lin MuMu followed Ivankov to the Surveillance Room, where they saw Lin Mo in his Level 5 cell before he destroyed the surveillance feed.
• Lin MuMu knocked out Ivankov’s subordinate and explained that she needed Ivankov to walk out with her, but Ivankov still refused to leave.

Lin MuMu reunited with her third Shadow Clone, Lin Shuai, on Level 4 and persuaded Ivankov to help them escape Impel Down. They reached Level 1 through a secret passage, where Lin MuMu began explaining her escape plan.

• Lin Shuai defeated the three Jailer Beasts and Chief Jailer Sadi, then flirted with her until Lin MuMu and Ivankov arrived.
• Lin Shuai recognized Lin MuMu after she explained that she had changed sexes, and chased her until she subdued him with Conqueror's Haki.
• Lin MuMu told Ivankov that they needed Lin Shuai to clear their escape route and asked him to carry the unconscious Shadow Clone.
• Ivankov carried Lin Shuai through a concealed passage to Level 1 while Lin MuMu kept Lin Shuai's mask in place to hide his resemblance to Lin Mo.
• Lin MuMu directed Ivankov to take them to the edge of Level 1 nearest the sea, where she planned to begin their escape.

Lin MuMu and Lin Shuai broke out of Impel Down, where Lin Shuai fought Magellan and left him badly injured before his memories reached Lin Mo. Lin MuMu escaped with Ivankov and surfaced near a Marine battleship, while Ivankov worried about the companions still imprisoned.

• Ivankov led Lin MuMu and Lin Shuai to a thick wall, where Magellan caught up with them.
• Lin MuMu knocked out the prisoners and jailers with Conqueror's Haki as Lin Shuai cut through the wall with Lightning Blade, flooding the level with seawater.
• Lin Shuai exchanged attacks with Magellan, was poisoned, and fell into the rising seawater after seriously injuring the warden.
• Lin Mo received system rewards for rescuing Ivankov and fighting Magellan, then broke his seastone handcuffs and disabled memory sharing with his Shadow Clones.
• Lin MuMu dragged Ivankov through the sea, drove off Sea Kings with Conqueror's Haki, and used a giant goldfish Sea King to reach the surface.
• Lin MuMu spotted Garp's battleship and told Ivankov she planned to enjoy her freedom, while Ivankov worried about his imprisoned companions.

Ivankov deliberately returned to Impel Down after his attempted escape, while Garp visited Lin Mo and warned him that the World Government’s planned execution had drawn worldwide attention. The chapter ended with Garp raising the possibility that Lin Mo’s friends, including Red-Hair, might respond to the news.

• Ivankov decided to return to Impel Down, and Lin MuMu dropped him onto Garp’s Marine Battleship.
• Ivankov regained some strength, but the Marines surrounded him and treated his escape as a failure.
• Hannyabal learned that Magellan was injured and arranged for Ivankov to be brought back into Impel Down.
• Garp and Hannyabal went to Lin Mo’s cell, where Garp found that Lin Mo’s handcuffs were gone.
• Garp told Lin Mo that news of his execution had spread worldwide and that the Government had summoned the Shichibukai.

Lin Mo learned that he could not contact Lin MuMu because she was hundreds of kilometers away, while Lin MuMu enjoyed a day on Jabule Island before the system failed to recall her. The system warned that she would be permanently lost if she died during a week of repairs, and Lin Mo summoned two other Shadow Clones.

• Garp questioned Lin Mo about Whitebeard and his reason for entering Impel Down, but Lin Mo insisted he was there for fun and refused Garp's offer to leave with him.
• Lin MuMu rode a Giant Goldfish Sea King to Jabule Island, where four frightened islanders treated her to food and clothes because they feared she could command Sea Kings.
• Hannyabal replaced Lin Mo's handcuffs and warned that Lin Mo would be taken to Marineford for execution in a week, while Lin Mo ignored him and asked the system to contact Lin MuMu.
• The system said Lin MuMu was 555 kilometers away, so Lin Mo could not communicate with her; Lin MuMu's Sea King power had carried her to the island.
• After Lin MuMu's time ran out, the system failed to recall her and announced that repairs would take a week, warning that she would be permanently lost if she died before then.
• Lin Mo realized Lin MuMu's changed sex had caused the malfunction and summoned Shadow Clones Lin Shuai and another clone.

Lin Mo learned that Red-Hair might intervene in his execution and, with Garp’s hint, began a breakout from Impel Down before Execution Day. He destroyed the surveillance Den Den Mushi at the Level 4 entrance, prompting the staff to report the loss of the signal to Magellan.

• Garp told Lin Mo that Red-Hair and several Shichibukai were near Marineford, then hinted that an accident before the execution could give Lin Mo a chance to escape.
• Lin Mo agreed to Garp’s hint but refused to reveal his plan.
• After Garp left, Lin Mo broke his handcuffs with Armament Haki, cut through his cell door with Sandai Kitetsu, and headed for Level 4.
• Lin Mo pushed open the door to Level 4 and destroyed the replacement Surveillance Den Den Mushi beside it.
• The Surveillance Room staff reported the lost signal to Magellan, who asked when it had happened.

Marco arrived at Jabule Island while searching for Impel Down, but Lin MuMu deliberately sent him in the wrong direction. After meeting Sabo at sea, Marco agreed to take him to Impel Down to save Lin Mo, and they returned to the island, where Sabo went to eat and Lin MuMu shopped.

• Magellan learned that Lin Mo had escaped from Level 5 and ordered the jailers to find and return him before the execution.
• Lin MuMu met Marco on Jabule Island and gave him false directions to Impel Down in exchange for two gold coins.
• Marco met Sabo at sea, learned that Sabo also intended to save Lin Mo, and agreed to carry him toward Impel Down.
• Marco and Sabo returned to Jabule Island, where Sabo rushed to a restaurant for food while Marco searched for Lin MuMu.
• Lin MuMu browsed dresses in the village as a crowd gathered around Sabo eating, and the clothing vendor told her she had dirtied a dress.

Lin MuMu tried to evade Marco after he confronted her about lying, but Sabo and the islanders exposed her deception and she paid for Sabo’s meal. As Lin MuMu hurried away, Whitebeard told Marco that Lin Mo had been injured in Impel Down.

• Lin MuMu spotted Sabo eating at a restaurant, fled when he saw her, and ran into Marco, who demanded an explanation for her false directions to Impel Down.
• Lin MuMu claimed she was a starving shipwreck survivor, but Sabo offered her food and recognized that she was pretending to be hungry.
• Lin MuMu admitted she was not as desperate as she had claimed, though she still needed money, and Marco asked her to pay for Sabo’s unpaid meal.
• Islanders called Lin MuMu out for her recent scams, so she gave the restaurant owner one gold coin and Marco let her go.
• Sabo said Lin MuMu felt familiar to him, and she denied ever meeting him before hurrying away.
• Whitebeard called Marco and told him that Lin Mo had been injured in Impel Down.

Lin MuMu forced Sabo to stay behind and flew with Marco toward Impel Down to rescue Lin Mo. Meanwhile, Little White sensed Lin Mo was in danger and raced away from the flying ship with Enel, who then realized he had left the Eternal Pose behind.

• Marco told Sabo that Lin Mo was injured, and Lin MuMu insisted on going with them to Impel Down.
• Sabo recognized Lin MuMu, but she used her Conqueror's Haki to pin him and the others down, then took his Eternal Pose.
• Marco carried Lin MuMu away, while Sabo contacted Dragon and asked him to investigate the woman and daughter claiming to be Lin Mo's relatives.
• Little White woke in a frenzy aboard the flying ship, wrecked part of the deck, and flew off with Enel pursuing him.
• Little White said he had sensed Lin Mo in danger but could no longer pinpoint him, then confirmed Lin Mo was still alive.
• Enel discovered he had left the Eternal Pose aboard the flying ship, and neither he nor Little White knew the way to Impel Down.

Kaku set off in the Flying Ship to find Lin Mo after Enel and Little White got lost, while Lin Mo wandered through Impel Down and fought off Hannyabal and the jailers. Magellan and Shiryu confronted Lin Mo, and Garp and Sengoku returned to the prison as its guards tried to hide that something had happened.

• Enel admitted he had forgotten the Eternal Pose, and Little White chased and beat him while they were lost at sea.
• Kaku recovered the Eternal Pose from a seagull, concluded Enel and Little White would not return, and piloted the Flying Ship toward Impel Down to find Lin Mo.
• Garp returned to Marineford, but Sengoku joined him and persuaded him to turn back toward Impel Down.
• Lin Mo ignored Hannyabal's demand to return to his cell, punched him away, and knocked out the charging jailers with Conqueror's Haki.
• Magellan and Shiryu confronted Lin Mo, with Shiryu agreeing to help capture him in exchange for the lifting of his death sentence.
• Garp and Sengoku arrived at Impel Down, where a nervous jailer claimed everything was normal despite the wardens being busy.

Lin Mo fought Magellan and Shiryu of the Rain while escaping Impel Down, then evaded Sengoku after Garp and Sengoku arrived. Sengoku transformed into his Buddha Form to stop him, and Lin Mo’s refusal brought his sign-in progress to 80% and raised his Observation Haki to level 11.

• Sengoku learned from a jailer that Lin Mo had escaped and went with Garp to Level 4.
• Shiryu of the Rain attacked Lin Mo, but Lin Mo blasted him with a bubble and sent him flying with a kick.
• Lin Mo cut through Magellan’s poison defenses with Lightning Blade, severed Shiryu’s right hand, and fought off Magellan’s venom skeleton.
• Lin Mo broke through Magellan’s poison wall with a powerful punch, collapsing the venom skeleton and leaving Magellan injured.
• Garp and Sengoku arrived as Lin Mo tried to leave; Garp stayed behind to help Magellan while Sengoku pursued Lin Mo.
• Lin Mo evaded Sengoku’s attempts to grab him, prompting Sengoku to transform into his Buddha Form; Lin Mo then gained 20% sign-in progress and Observation Haki level 11.

Lin Mo lost consciousness after Sengoku's attack, and an automatic defensive skill saved him from Shiryu of the Rain before he fell into Magellan's poison. While Lin Mo recovered in the infirmary, Lin MuMu and Marco reached Impel Down and broke through a damaged section of its underwater wall to enter.

• Lin Mo's growing skills overwhelmed him, allowing Sengoku's Buddha-form strike to shatter his Fairy Sphere and break several bones.
• Shiryu of the Rain tried to slash the falling Lin Mo, but Lin Mo's newly activated Absolute Protection formed a giant elephant that knocked Shiryu unconscious.
• Lin Mo fell into Magellan's poison and woke up hours later in the infirmary, where Garp told him about the elephant and agreed to watch him.
• Lin MuMu told Marco she was Lin Mo's sister, and they flew to Impel Down, where they found Garp's Marine battleship waiting outside.
• Lin MuMu used Conqueror's Haki to control a Goldfish Sea King and ordered it to ram a recently repaired section of Impel Down's outer wall.
• The breach flooded the first level as alarms sounded, and Lin MuMu swam inside with weakened Marco while Sabo set off by boat toward Impel Down.

Sabo joined Kaku aboard Lin Mo's flying ship to travel to Impel Down, while Lin MuMu searched Level 1 for a passage and set the prison into chaos. The chapter ended with Sabo telling Kaku that Lin Mo's younger sister was alive, leaving Kaku stunned.

• Sabo boarded Kaku's flying ship and persuaded him to travel together to Impel Down to rescue Lin Mo.
• Lin MuMu dragged Marco through the breach into Level 1, asked Reiju's family to hide him, and tossed him onto their cell roof.
• Lin MuMu knocked out the jailers, took their keys, and freed the prisoners on Level 1, prompting Hannyabal to send Bluegori guards to restore order.
• Kaku told Sabo that Enel had gone after Little White and that both were missing, then learned from Sabo that Lin Mo had been injured.
• Sabo told Kaku that Lin MuMu was Lin Mo's younger sister and was alive, surprising Kaku because he believed she was dead.

Lin MuMu and Marco descended through Impel Down to reach Lin Mo, learning that he was recovering in the Medical Room under Garp’s watch. Ivankov agreed to help them after hearing Lin Mo was connected to Whitebeard and Dragon, and the rescue plan began.

• Garp helped Lin Mo raise his hand so he could use the Mystical Palm Technique, which the system said would take fifteen hours to heal him.
• Lin MuMu freed the prisoners on Level 1, then went with Marco through Beast Hell’s secret passage toward Level 5.
• Lin MuMu and Marco found Ivankov and asked him to lead them to Lin Mo in the Medical Room.
• Marco told Ivankov that Whitebeard had sent him to rescue Lin Mo, while Lin MuMu revealed Lin Mo knew Dragon and Sabo had come too.
• Ivankov believed Marco and agreed to help despite Garp’s presence.

Lin MuMu, Ivankov, and Inazuma failed to rescue Lin Mo from Garp and returned to Level 5.5 to watch for another chance. Meanwhile, Sabo and Kaku reached the Calm Belt near Impel Down, but their Flying Ship ran out of power, so they set out in a small boat.

• Ivankov led Lin MuMu, Marco, and Inazuma to the Medical Room, where Lin MuMu's Conqueror's Haki knocked out the guards and everyone inside.
• Marco attacked Garp, but Garp seized him and secured a Seastone Handcuff around his ankle; Lin MuMu, Ivankov, and Inazuma retreated.
• Garp told Marco that Lin Mo was safe for now and that he could handle more than Marco realized.
• Lin MuMu, Ivankov, and Inazuma decided to take shifts watching Garp from the Surveillance Room on Level 5.5.
• Kaku told Sabo that the Flying Ship's Backup Battery had run out, leaving it stranded at the edge of the Calm Belt near Impel Down.
• Sabo and Kaku boarded the spare supply boat and began rowing toward Impel Down.

Kaku and Sabo infiltrated Impel Down to reach Lin Mo, but Judge exposed Kaku, forcing him to kill Judge and flee. Garp recognized Sabo among the Marines but concealed his identity and took him along, leaving Sabo a chance to continue toward Lin Mo.

• Sengoku ordered Jinbe and Hawk-Eye to escort Lin Mo from Impel Down, and both Shichibukai set out immediately.
• Kaku and Sabo entered Impel Down disguised as Marines, but Judge spotted Kaku and identified him as one of Lin Mo's crew.
• Kaku told Sabo to find Lin Mo, then killed Judge and escaped as the jailers began checking the Marines.
• Garp arrived and recognized Sabo, but told the Marines to leave him behind to help pull a cart down into the prison.
• Sabo agreed to go with Garp, while a Rear Admiral began checking whether he was on the roster.

Garp let Sabo enter Impel Down to reach Lin Mo, while Ivankov, Inazuma, and Lin MuMu tried to move the sleeping Lin Mo to Level 5.5. Sabo joined them, and Kaku learned from Reiju about a passage to Level Two as he searched for his captain.

• Garp revealed that he recognized Sabo and hoped he could talk Lin Mo out of his apparent wish to die.
• Garp fell asleep beside Lin Mo, and Ivankov, Inazuma, and Lin MuMu used knockout smoke to enter the medical room and try to carry Lin Mo away.
• Sabo appeared, took Lin Mo onto his back, and followed Lin MuMu toward Level 5.5 with Ivankov and Inazuma.
• Garp woke briefly after they left, saw Lin Mo was gone, and went back to sleep.
• Kaku encountered Reiju in a cell, and she offered to show him a circular passage leading to Level Two in exchange for his trust.

Lin MuMu revealed Sabo’s forgotten childhood ties to Ace and Luffy, prompting him to remember his brothers and contact Dragon. Meanwhile, Kaku reached Marco’s cell on Level Two and freed him from his Seastone Handcuffs.

• Lin Mo woke in the Level 5.5 hideout, learned his body had healed, and ordered Lin MuMu out after confronting her about her behavior.
• Lin MuMu used Conqueror’s Haki to pin down Sabo, then told him to look into his forgotten childhood and named Ace and Luffy as his brothers.
• Sabo remembered Ace and Luffy, cried, and called Dragon to tell him he had recovered his past.
• Kaku found Marco imprisoned on Level Two, broke into his cell, and cut through his Seastone Handcuffs with the Demon Spirit.

Marco and Kaku searched Impel Down for Lin Mo after learning he had vanished from the Medical Room, while Garp assured Sengoku he would find him before the execution. Ivankov’s people brought Marco and Kaku to Level 5.5, where Kaku reunited with Lin Mo.

• Marco and Kaku learned from a captured doctor that Lin Mo had disappeared after everyone in the Medical Room passed out, and Kaku suspected Sabo had taken him.
• Marco suggested Lin MuMu might have rescued Lin Mo, and the two began searching Impel Down.
• Ivankov’s followers spotted Marco and Kaku on surveillance and brought them to Level 5.5.
• Garp told Sengoku that Lin Mo was still somewhere inside Impel Down and promised to bring him to Marineford before the execution.
• Hawk-Eye stayed in the reception room to drink and sleep, while Jinbe agreed to help search for Lin Mo.
• Kaku reunited with Lin Mo on Level 5.5, and Lin Mo asked why Kaku had not waited for him in Alabasta.

Lin Mo refused Garp’s demand to return ahead of his execution, while Garp revealed that Hawk-Eye and Jinbe had been sent to Impel Down. Sabo recovered his memories and reunited with Garp, and the chapter ended with Garp attacking Kaku and Lin Mo intervening.

• Kaku reunited with Lin Mo, offered to cook for him, and went to Ivankov’s kitchen to make grilled fish.
• Ivankov learned Garp had discovered the secret passage, and Garp entered Newkama Land to take Lin Mo back before the execution.
• Garp revealed that Hawk-Eye and Jinbe had been sent to Impel Down, but Lin Mo refused to leave before finishing his mission.
• Sabo remembered his past, told Garp he was alive, and reunited with him before refusing to leave the Revolutionary Army.
• Garp chased Sabo through the Banquet Hall, then pursued Lin Mo and threatened to capture Kaku when he could not catch Lin Mo.
• Garp lunged at Kaku, and Lin Mo intercepted him with Pegasus Meteor Fist.