One Piece Chapter 528: Jimbei, Knight of the Sea

00AI-written

The chapter opens with the title text, "Chapter 528: \"Jimbei, Knight of the Sea\"." The CP9 cover story reaches its final report: "CP9 Independent Action Final Report: \"The ship sails forward into unknown waters.\"" A small ship with a skull-marked sail moves away from shore, carrying the former CP9 agents onward after their independent escape and recovery. The cover image is separate from the Impel Down plot, but it closes the long side story by showing CP9 leaving their old pursuers behind and sailing toward an uncertain future. The image-hosting footer below the art is unrelated boilerplate and is not part of the chapter content.

CP9

The scene jumps to "Impel Down, Level 2: The Floor of Demon Beasts." Luffy and Buggy have fallen into a deeper prison level and now look tiny beneath a monstrous birdlike creature with a long snake body and enormous claws. The beast crashes down toward them while both intruders shout in alarm, "...!!!" Buggy and Luffy run as the demon beast bears down on the floor, and the warning cry becomes, "Here it comes!!!" The page makes the new danger immediate: Level 2 is not just another cell block, but a hunting ground where prisoners and escapees can be attacked by huge unnatural animals.

Monkey D. LuffyBuggyBasilisk demon beast

The giant creature chases Luffy and Buggy through Level 2 while screaming "GYAAA GYAA!!!" Buggy panics and yells, "God damn it!!! I'm done for! I'm gonna get eaten alive!!!" He admits he never meant to come down to Level 2 and had planned to leave Luffy behind. Luffy asks what the monster is, and Buggy explains that it is "a natural mutant, a rarity amongst rarities!!!" A caption names it "Guard Animal Basilisk," and Buggy says it is "a snake born from a chicken's egg." He calls Level 2 the "Beast Hell," a floor where monsters like this are allowed to run wild. The explanation turns their accidental descent into a new prison-wide hazard.

Monkey D. LuffyBuggyBasilisk demon beast

Luffy is more confused than frightened and asks, "A chicken gave birth to that?" Buggy snaps that the creature is a monster precisely because it is abnormal. He says that if a beast like this were on the surface it would be eating people, so Impel Down keeps it imprisoned here instead. The Basilisk lunges through the corridor and slams its long body toward them, forcing Buggy to keep fleeing. Luffy, however, stops running and squares himself up to fight. He says, "All right, bring it on...!!!" The page shows Luffy treating Level 2's nightmare animal like another opponent to punch through on the way to Ace.

Monkey D. LuffyBuggyBasilisk demon beast

The story cuts to "Level 4 Prison Warden's Office," where Domino comments that it is terribly hot, as though a raging fire is on the other side of the wall. Hannibal explains Chief Warden Magellan's strange work habits: Magellan spends ten hours a day relieving himself, usually stays in the restroom, sleeps roughly eight hours, and after meals and breaks has only about four hours left for duties. Domino asks why he still has his job. Hannibal then warns Boa Hancock, Momonga, and Domino that Magellan ate the Doku Doku Fruit and is a poison man, so they must be careful. A scream of "JY-AAAAH!!!" comes from inside before Hannibal says Magellan will see them now, calling him someone they can count on in the worst of times.

HannibalDominoBoa HancockMomongaMagellan

Magellan finally appears, towering over the room in his winged chief warden uniform. He mutters, "Ahhh~..." and then notices the visitors: "Oh, a guest..." A caption identifies him as "Impel Down Chief Prison Warden Magellan," a poison man who ate the Doku Doku Fruit. He thanks the warden staff for their work, and someone addresses him formally: "Thank you for your work, warden!!" The page introduces Magellan with both comedy and menace. He has just come from the restroom, but the visual presentation and caption make clear that this sickly-looking official is the prison's highest and most dangerous authority.

MagellanHannibalDominoBoa HancockMomonga

Magellan complains that the office is too bright and says he would like to be shut in a darker room, adding that he would like to shut off his heart as well. Hannibal and Momonga remind him that Royal Shichibukai Boa Hancock is waiting and that they are in a hurry. Magellan apologizes, explaining that he had to relieve himself because the poison soup he ate for breakfast "hit the spot." Hannibal points out that eating poison gave him the runs, but Magellan says, "fight poison with poison," and calls poison his favorite food because he is a poison man. Hannibal accidentally says, "Please fall from the chief warden's position soon," then corrects himself to say they want to meet Fire Fist Ace as soon as possible. Magellan notices the sharp tongue, while Hannibal insists it was a terrible mistake.

MagellanHannibalMomongaBoa HancockDominoPortgas D. Ace

Magellan sighs and accidentally releases poison gas from his mouth, forcing Domino to warn, "Please be careful of your sighs!! Your breath really is poison gas!" Magellan laughs to himself and insults a pathetic subordinate in his own thoughts, while Hannibal reacts as though Magellan is speaking aloud. Hancock, wearing a breathing mask, snaps at Magellan for trying to make her breathe such fumes and calls him impudent. Magellan is instantly overwhelmed by her beauty, shouting, "Uwoh!! What a beauty!!! I love you already!!" Meanwhile Hannibal sits in the warden's chair, saying it will be his someday, until Momonga cuts through the nonsense and reminds everyone that they are in a hurry.

MagellanDominoHannibalBoa HancockMomonga

A transponder snail rings in the warden's office, and Magellan answers, "Yes, this is the warden's office." The conversation turns chaotic as news arrives of intruders inside Impel Down. Magellan is stunned: "What!? Intruders... in my Impel Down!? That's ridiculous!! We've never had an intruder in the history of this prison! Show me the picture!!" Hancock immediately thinks, "...!! It can't be... Could he have been discovered...?" She asks Magellan to let her see the prisoner as soon as possible, hoping to keep moving toward Ace before Luffy's presence is exposed. Magellan, smitten, says, "All right, let's go," while Hannibal protests that the intrusion is a major crisis.

MagellanBoa HancockHannibalMomongaDominoMonkey D. Luffy

Prison staff scramble as the report spreads. One guard says communications from Chief Warden Magellan have ceased and orders the information sent to every floor's guard room and to Marine Headquarters. They do not yet know the intruders' objective, but the report identifies Buggy the Clown running around Level 2 with "none other than... the pirate Strawhat Luffy!!!" The crisis worsens when another guard says they cannot reach the Level 2 guard room. Repeated calls of "Level 2 guard room!! Please respond!" and "What happened!? Guard room!!" go unanswered. The final panels reveal the reason: the Level 2 guard room has been wrecked into rubble.

Impel Down guardsMagellanBuggyMonkey D. LuffyMarine Headquarters staff

The page reveals "Level 2 guard room... ruins." The Basilisk lies defeated in the wreckage while Buggy and the prisoners stare in disbelief. Luffy, temporarily shrunken after using Gear Third, pants "Zeeh... zeeh..." and says, "What the hell was that?" Buggy, stunned by what he saw, says Luffy's arm got gigantic, and Luffy answers that it was "Gear Third." He concludes, "Looks like I beat it...!!" and immediately tells Buggy they should go to Level 3. Buggy can only stare at Luffy's tiny post-technique body and ask what is with him now. The page confirms that Luffy has smashed both the Basilisk and the guard room, turning Level 2's security into chaos.

Monkey D. LuffyBuggyBasilisk demon beastImpel Down prisoners

Luffy's body snaps back to normal with a "gun!" sound while Buggy remains amazed that he beat the monster. The prisoners begin cheering from their cells, crying, "The goddess of salvation has descended into hell!" and praising the intruders for taking out the Basilisk and destroying the guard room. They shout, "I dunno who you are, but thanks!!" and beg the newcomers to get the keys for their doors and shackles. The prisoners point toward the keys, seeing the wrecked guard room as their chance to break loose. Luffy stays focused on moving downward, but Buggy notices the crowd's gratitude and the opportunity to turn a rescue accident into a full prison riot.

Monkey D. LuffyBuggyImpel Down prisonersBasilisk demon beast

Inside one of the cells, Mr. 3 recognizes Luffy and thinks, "Strawhat Luffy... Why is he here...!?" He quickly realizes that if Luffy and Buggy are outside the cells, they must be breaking out. More importantly, this may be an unparalleled chance for him to escape as well, and he thinks that God has not forsaken him after all. Meanwhile the prisoners shout, "All right!! It's open!!!" and "We're out of the cell!!!" as cells start unlocking. Buggy laughs, "Gyahahahaha!!! Be grateful, ya bastards!!!" The page brings Galdino into the Impel Down jailbreak and shows how Luffy's focused mission is accidentally freeing enemies and allies alike.

GaldinoMr. 3Monkey D. LuffyBuggyImpel Down prisoners

The freed prisoners demand the names of the men who set them free, and Buggy eagerly accepts their praise. They call him "Captain Buggy" and "our savior," while Buggy laughs, "Nkyahahahahaha!! That's right, engrave my name into your hearts!!!" He tells them to keep opening the cells. Buggy admits to Luffy that he landed on this floor by accident, but now that chaos is spreading he can ride the wave and escape. Luffy asks again for the path to Level 3. Buggy confesses that he had lied about knowing the way because he only wanted the treasure armband, then starts bragging about whipping up a prison riot. His speech cuts off when a deeper beastly roar, "VARU RURURU RURU!!!" echoes through the floor.

BuggyMonkey D. LuffyImpel Down prisonersLevel 2 demon beast

The prisoners who were cheering suddenly panic and retreat back toward the cells. Luffy asks what they are doing when this is their chance to escape, but they explain that their joy only lasted a second. This floor has a boss, and as long as he is around, they say it is safer inside the cage. Buggy abruptly offers to tell Luffy how to reach Level 3, trying to redirect the situation. At the same time, Mr. 3 appears and laughs, "Fuhahaha... It's been a while, Strawhat Luffy!!" He says he is free thanks to Luffy and is a man who repays debts. Luffy does not recognize him at first, then remembers the island with the giants and calls out that it is Mr. Three, while the threat of Level 2's boss hangs over them.

Monkey D. LuffyBuggyGaldinoMr. 3Impel Down prisonersLevel 2 demon beast

The scene shifts to the floor where Fire Fist Ace is being held. A chained guard animal or jailer shape looms in the darkness as the prison's deeper level feels far heavier than Level 2's chaos above. Ace is shown bound in thick chains, exhausted and sweating as he breathes, "Zeeh... zeeh...!!" Nearby, another huge chained prisoner groans a broken "...Nobody..." before roaring the full warning: "Is gettin' outta here!!!" Ace reacts with a startled "!" The page introduces the darker cellblock where Ace is held and makes clear that escape is considered impossible there, not merely difficult. The enormous chained speaker foreshadows Jimbei's presence in the same prison depth.

Portgas D. AceJimbeiImpel Down jailer

A guard silhouette moves through the cells with a key-shaped staff while the corridor erupts with "GAN!!!" and other impact cries. A spiked ball or heavy weapon is driven into the chained prisoner, but the blow barely matters. In the cell, the massive prisoner sits bound in chains and says, "...!!! Didn't even scratch my itch..." Across from him, Ace lies chained and battered, looking at the old man and saying, "Looks like... you got it pretty good... again... Old man..." The floor is packed with heavy chains, barred cells, and suffocating darkness. Unlike Level 2's wild chaos, this place is controlled through brutal punishment, yet the huge prisoner still refuses to break.

Portgas D. AceJimbeiImpel Down guards

The huge chained prisoner is finally identified by a caption as "Royal Shichibukai Jimbei, Knight of the Sea," a whale shark fishman with a former bounty of 250 million beri. Jimbei tells Ace that it is not his body that hurts. Ace recognizes him by name: "Jimbei...!!" Jimbei says, "At this rate... even death won't take me...!!" He declares that his title means nothing to him now and that he has no need for it. If he cannot stop the war, he says, then he has no need for his life either. What hurts is his heart, because he cannot enforce his justice. The page reveals that Jimbei is imprisoned not because he is weak, but because he refuses to accept the coming war against Whitebeard.

JimbeiPortgas D. AceWhitebeard

The page is an SBS extras page. One reader asks whether Boa Hancock appeared on a Jump cover nine years earlier, and Oda confirms that an old illustration from the Color Walk 2 period included a rough version of Hancock among future enemies behind the Straw Hats as they entered the Grand Line. He says he changed some things when she actually appeared, but it was indeed Shichibukai Boa Hancock. Another reader plays with Zoro's "Marimo" nickname, and Oda jokes along. A third reader asks about Spandine at Ohara and whether the agents with him were connected to the current CP9, especially a glasses-wearing man who resembles Kalifa's father. Oda confirms that the man is Kalifa's father and explains that he had imagined some CP9 members as children of earlier CP9 agents, while many others were orphaned children left to the government.

Eiichiro OdaBoa HancockBoa SandersoniaBoa MarigoldRoronoa ZoroSpandineKalifa's fatherKalifaCP9Kumadori

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End of chapter20 pages

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