Chapter Summaries

Haku entered Impel Down with Hancock and Domino to see Ace, then revealed his restored adult appearance and knocked out everyone on Level 1 with his infused Conqueror’s Haki. He brought Luffy to the prison, reminded him to rescue Ace, and pointed him toward Level 2.

• Hancock welcomed Haku to Impel Down, and Haku asked Domino to take him to see Ace.
• As Haku passed the prisoners, he said many deserved execution, provoking them to shout insults and whistle at Hancock.
• Haku’s body returned to its adult form, and he released his Conqueror’s Haki infused with Spiritual Pressure, knocking out every conscious being on Level 1.
• Haku protected Hancock with a barrier, then teleported in Luffy by grabbing the back of his collar.
• Luffy got distracted by Haku’s teleportation, but Haku reminded him to save Ace and pointed him toward the entrance to Level 2.

Haku arrived at Impel Down, where his Conqueror’s Haki knocked out Hancock, Domino, and the prisoners on Level 1. After explaining the disturbance to Magellan, he had Hancock lead him toward Level 6, while Luffy crossed paths with Buggy the Clown.

• Haku told Hancock that Luffy could not reach Ace on Level 6 and revealed that he wanted Blackbeard to release the prisoners so he could pursue their Devil Fruits.
• Haku answered Magellan’s call and admitted that his Conqueror’s Haki had knocked out the people on Level 1 and cut off communications.
• Hancock and Domino woke up, and Haku told Hancock he had already explained the incident to Magellan and asked to be taken to Level 6.
• Hancock led Haku through the checkpoints, where Haku sensed Luffy meeting Buggy the Clown.
• Haku teased Hancock about being his rival in love, and Hancock mourned his lost first love before unlocking the elevator to Magellan’s office floor.

Haku and Hancock traveled through Impel Down to Level 6 so Haku could meet Fire Fist Ace, while Magellan enforced Marine Headquarters’ restrictions on the visit. Haku reached Ace’s cell and teased him, leaving Magellan uneasy about whether he could control Haku.

• Haku and Hancock stepped onto Level 4, where Hancock complained about the heat and Magellan greeted them.
• Magellan accidentally poisoned Hancock, then explained that she could only accompany Haku to Level 6 if she stayed in his sight.
• Haku reassured Hancock, and Magellan sent her with Domino for treatment while he led Haku onward.
• Haku and Magellan entered Level 6, where the prisoners fell silent at the sight of Haku.
• Magellan showed the guards his identification and brought Haku and Hancock to Ace’s cell, where Haku teased Ace about calling him big brother.

Haku confronted Jinbe in Impel Down over his past connection to Arlong, explaining how Arlong terrorized the East Blue before Haku killed him. Jinbe admitted he had failed to stop Arlong and accepted responsibility, while the Level 6 prisoners demanded his death.

• Haku threatened Jinbe, then showed him Arlong’s crossed-out bounty poster and said he had killed him.
• Haku described Arlong’s racist beliefs, rule over the East Blue villages, murder of Bellemere, and exploitation of Nami.
• The Level 6 prisoners erupted in anger at Arlong’s crimes, and Magellan warned them to quiet down.
• Jinbe defended his kin but admitted he had been wrong to let Arlong leave and said he had intended to bring him back to Fish-Man Island for trial.
• Haku told Jinbe he bore responsibility for the harm Arlong caused, including what happened to Nami, and the prisoners called for Jinbe to be killed.

Haku warned Jinbe that the Fish-Man District's real culprit in Queen Otohime's murder was still at large and said he planned to meet King Neptune. He told Ace about the war his capture had triggered and Luffy's rescue attempt, then warned Magellan that Blackbeard might come to Impel Down to pursue his goal.

• Haku subdued the prisoners and told Jinbe that the Fish-Man District needed to be dealt with, revealing that the real culprit behind Queen Otohime's death was still at large.
• Jinbe asked Haku to identify the culprit, and Haku said he was going to Fish-Man Island to meet King Neptune.
• Haku privately told Ace that his capture had drawn major forces into a war and that Luffy had entered Impel Down to rescue him.
• Ace regretted the trouble he had caused, while Haku urged him to stay hopeful and left without answering Ace's questions.
• Magellan asked Haku about his conversation with Ace, but Haku refused to share it and warned him not to hold back if the Blackbeard Pirates appeared.
• Haku told Magellan that Blackbeard might view Impel Down as a stepping stone toward his goal, leaving Magellan puzzled about his plans.

Haku left Impel Down after warning Magellan not to underestimate Blackbeard, while Buggy escaped his pursuers and joined up with Luffy. After they defeated the Prisoner Beasts, Buggy found keys and rallied the Level 2 prisoners to join his escape attempt.

• Haku told Magellan that Blackbeard's ambition exceeded his expectations, then left Impel Down aboard the Perfume Snake with Hancock.
• A jailer reported Buggy's escape, and Magellan hurried back inside while Hannibal led men to pursue him.
• Buggy fled through a hidden passage and found Luffy, who said they needed to escape but had no plan.
• Prisoner Beasts attacked Luffy and Buggy, and the two fought together until they defeated them.
• Buggy found the Level 2 cell keys and persuaded the prisoners to follow him in an escape attempt.

Buggy assembled the prisoners and led them toward escape while Haku arrived at Marine Headquarters with Boa Hancock ahead of Ace’s execution. Haku learned Blackbeard had slipped away toward Impel Down, exchanged a challenge with Hawk Eyes Mihawk, and then went to the conference room.

• Buggy found Mr. 3 and led the assembled prisoners on their escape attempt.
• Haku and Boa Hancock arrived at Marine Headquarters, where Haku brought his Zanpakuto from G5 and headed to the Shichibukai area.
• Haku asked Doflamingo about Blackbeard, and Hawk Eyes Mihawk told him Blackbeard had gone toward Impel Down.
• Hawk Eyes Mihawk expressed interest in testing Haku’s sword, and Haku said he would welcome a challenge when the time came.
• Haku left Boa Hancock and went to the conference room under Marine escort.

At a Marine meeting, Haku was assigned to handle the Beasts Pirates and BIG MOM Pirates, then proposed using a powerful sphere to defeat them. Sengoku approved Haku’s plan to have Akainu replenish the sphere’s energy, despite Akainu’s refusal.

• Haku arrived late to a Marine meeting, where Sengoku warned that the Whitebeard Pirates’ Moby Dick had disappeared.
• Distracted, Haku agreed to Sengoku’s assignment to handle the Beasts Pirates and BIG MOM Pirates, then protested when Sengoku teased that he might have to fight alone.
• Haku revealed a sphere that could devastate Marineford and explained that its power could grow with more natural energy.
• Haku asked Akainu to supply the sphere’s remaining energy, arguing that the Magma-Magma Fruit was the best source.
• Sengoku approved the plan despite Akainu’s objections.

As Ace’s execution approached, turmoil spread across the seas while the Marines and other powers prepared for the coming battle at Marineford. Haku noticed Blackbeard’s movement toward Impel Down as the Five Elders pursued their own plans, and the chapter left the conflict on the verge of beginning.

• Garp visited Ace before the execution, while Haku watched the harbor and forces across the sea began moving amid rising pirate attacks.
• Magellan poisoned Luffy and confined him in Impel Down’s Level 5, but Ivankov treated him at the cost of ten years of his lifespan and agreed to help him escape after learning he was Dragon’s son.
• Shanks intercepted the Beasts and BIG MOM fleets, prompting Sengoku to weigh the growing threat as the Whitebeard Pirates arrived at Marineford.
• Sengoku received word that Blackbeard was taking unauthorized warships toward Impel Down, and Haku recognized that the Blackbeard Pirates had revealed themselves.
• The Five Elders monitored Marineford while civilians and reporters gathered at Sabaody Archipelago to watch the coming battle.

As Marine Headquarters prepared to execute Ace, Haku reflected on the mass breakout at Impel Down before intervening when Sengoku told Garp that Ace would be publicly named the Pirate King's son. Haku took Garp away and then arrived at Marineford Plaza to join the Admirals as the Marines completed their preparations.

• Marine Headquarters exposed Luffy and Buggy as leaders of the Impel Down incident, while Buggy rallied prisoners and Blackbeard recruited powerful escapees, including Shiryu.
• Aokiji asked Haku to head to the execution platform, but Haku first went to Sengoku's office to retrieve Garp.
• Sengoku told Garp that Ace would be executed publicly as the Pirate King's son, and Garp protested the decision.
• Haku appeared beside Garp, ended the tense exchange, and used teleportation to take Garp away from Sengoku's office.
• Haku arrived at Marineford Plaza and sat in the vacant Admiral's chair as the Marines stood ready with the Shichibukai, one hundred thousand elite marines, and fifty warships.

Sengoku revealed that Ace was the son of Gol D. Roger, not Whitebeard, and Haku warned the Marines that enemies were approaching from the sea. Whitebeard arrived in the harbor aboard the coated Moby Dick ships, and Sengoku ordered the Marines to prepare for battle.

• Sengoku exposed Ace's parentage, declaring that Portgas D. Ace was the son of Gol D. Roger and Portgas D. Rouge.
• Haku silenced the crowd and warned Sengoku that enemies were approaching from the sea and beneath the harbor.
• The coated Moby Dick ships surfaced in the harbor, surprising the Marines and revealing that Whitebeard's forces had entered underwater.
• Haku sensed that Whitebeard had regained his prime strength and anticipated a difficult fight.
• Whitebeard confronted Sengoku and demanded to know whether his son had been treated well.
• Sengoku ordered the Marines to intercept the Whitebeard Pirates as both sides prepared for battle.

Whitebeard triggered a tsunami at Marineford, and the Marines and pirates began a fierce battle as both sides fought toward their goals. Haku prepared to face Whitebeard, who ordered his commanders not to interfere if Haku attacked.

• Whitebeard used the Tremor-Tremor Fruit to shake the sea and create a tsunami, which Aokiji froze before Whitebeard knocked him into the harbor.
• The Marines opened fire on the Moby Dick ships as the pirates charged toward the execution platform, beginning a widespread battle.
• Hawk Eyes attacked Whitebeard with Yoru, but Diamond Jozu deflected the slash with his diamond-covered body.
• Kizaru rushed toward Whitebeard, but Marco blocked his attacks and guarded Whitebeard from further assault.
• Jozu hurled a giant ice block toward the execution platform, and Akainu destroyed it with a Great Eruption.
• Haku stood up and challenged Whitebeard with his coercive aura, prompting Whitebeard to forbid his commanders from interfering if Haku attacked.

Haku fought Whitebeard at Marineford, testing the recovered Emperor’s strength while the surrounding Marines and pirates watched. Whitebeard struck Haku with Sky Splitter, but Haku got back up and resumed the duel as the pirates renewed their assault on the plaza.

• Haku asked Sengoku for permission to fight Whitebeard, and Sengoku let him engage the Emperor to test his condition.
• Haku and Whitebeard clashed across the sea, exchanging powerful weapon strikes and Conqueror’s Haki as their battle drew the attention of the battlefield.
• Whitebeard tricked Haku into approaching while he charged his power, then hit him with Sky Splitter and sent him crashing into the sea.
• Haku recovered and charged Whitebeard again, while the inspired pirates launched a fresh attack toward Marineford’s plaza.
• Whitebeard recognized Haku’s Hollow Mask and mentioned that people in the underworld wanted it, and Haku dismissed them as fools.

Haku baited the pirates coveting his Zanpakuto into taking them, then used Muramasa to awaken the blades and reveal their guardian spirits. The four pirates who seized them were killed, and the spirits were ordered to punish anyone who touched them.

• Haku put on the Hollow Mask, displayed his Zanpakuto, and dared the pirates to take them.
• Haku released Tensa Zangetsu's Bankai and blasted Whitebeard away with a point-blank Getsuga Tensho when Whitebeard tried to intervene.
• Four pirates grabbed Ryujin Jakka, Senbonzakura, Hyōrinmaru, and Minazuki, believing the blades would make them powerful.
• Muramasa appeared and sent a ripple through the Zanpakuto, awakening their guardian spirits before disappearing.
• The four spirits killed the pirates who had seized their blades, and Muramasa told them to kill anyone who touched them.

Haku fought Whitebeard at Marineford as Luffy and the escaped Impel Down prisoners arrived, but Sengoku ordered Haku to leave when Kaido and Charlotte Linlin’s fleets broke through Shanks’s blockade. Haku teleported toward the approaching fleets, while the battle at Marineford continued to worsen.

• Haku watched a warship carrying escaped Impel Down prisoners crash into Marineford, and the prisoners joined the fighting.
• Luffy arrived at the execution platform, drawing the attention of Ace, Garp, Sengoku, Whitebeard, and Haku.
• Haku stabbed Whitebeard in the chest, but Whitebeard counterattacked with the Tremor-Tremor Fruit and sent Haku crashing through Marine Headquarters.
• Sengoku told Haku that Kaido and Charlotte Linlin’s fleets were approaching Marineford after breaking through Shanks’s blockade, so Haku used a Companion Card to teleport away.
• The prisoners and Whitebeard Pirates pressed their attack as Luffy advanced toward the execution platform under Jinbe and Ivankov’s protection, while Whitebeard recovered aboard the Moby Dick.

Haku arrived at the sea battle between the Beasts Pirates, the BIG MOM Pirates, and Red-Haired Shanks's crew, then attacked Kaido and Charlotte Linlin. Shanks intervened on Haku's side, and Haku warned him to leave before more people died.

• Whitebeard recovered enough to stand and urged his crew to charge the Marines as Sengoku changed his strategy and cut off the broadcast to Sabaody Archipelago.
• Haku used a Companion Card to teleport to the battle between the Beasts Pirates, the BIG MOM Pirates, and Red-Haired Shanks's crew.
• Haku found Kaido, Charlotte Linlin, and Shanks fighting and taunted them after they paused their battle at his arrival.
• Haku wounded Kaido with Tensa Zangetsu, dodged Charlotte Linlin's attack, and slashed her as well.
• Shanks moved to attack Charlotte Linlin, but Kaido blocked him, and Shanks said he preferred helping Haku over letting the two Emperors gang up on him.
• Haku warned Shanks to leave the area because many people were going to die.

Haku stayed behind to fight Big Mom and Kaido while Shanks and the Red Force withdrew, then headed for Marineford to try to stop the war. Haku destroyed Prometheus and evaded Kaido’s ambush, but he sensed something unusual as the two Emperors regrouped.

• Shanks left Haku to face Big Mom and Kaido alone and returned to the Red Force.
• Haku used his Six Eyes and awakened Rumble-Rumble Fruit powers to battle Big Mom and Kaido.
• Shanks’s crew cleared the Red Force, and Shanks ordered it to withdraw toward Marineford.
• Haku realized Sengoku’s extermination plan had likely begun and thought of Whitebeard being stabbed by Squard.
• Big Mom sent Prometheus at Haku, but Haku split it in two with Getsuga Tensho.
• Kaido attacked Haku with Thunder Bagua, but Haku evaded by becoming elementalized and then sensed unusual sounds with Observation Haki.

Haku escaped Kaido and Big Mom’s combined Bāhǎi attack, then unleashed a compressed energy sphere that overwhelmed them with sand, magma, and lightning. He left them badly injured as a warning, intending to preserve the New World’s balance rather than kill them.

• Kaido and Big Mom attacked Haku with Bāhǎi, but Haku used [Cang] to move out of its range.
• Haku left a patterned orb behind and activated it, unleashing a vast sandstorm that devastated the ocean and nearby islands.
• Kaido and Big Mom endured the sandstorm, then noticed the sky turn red as another energy sphere erupted above them.
• Kaido grabbed Big Mom and tried to flee, but the sphere’s magma-and-lightning torrent swallowed them.
• Haku watched from a distant island, satisfied that he had warned Kaido and Big Mom without intending to kill them.

After Ace was rescued, Garp led Marines against Whitebeard’s crew while Luffy and Ace fought Sengoku and other high-ranking Marines to protect their retreat. Blackbeard appeared at Marineford, unleashed the Dark-Dark Fruit, and announced he intended to kill Whitebeard as Whitebeard struck Akainu to help Ace escape.

• Garp obeyed Sengoku’s order and led elite Marine Soldiers to intercept Whitebeard and his crew.
• Whitebeard rallied his sons, while Luffy and Ace fought Sengoku and other high-ranking Marines to cover the pirates’ retreat.
• Blackbeard appeared and spread a Dark Hole across the battlefield, pulling in Marine Soldiers.
• Ace recognized Blackbeard’s power but stayed focused on Akainu, who continued pursuing him.
• Blackbeard said he had come to help kill Whitebeard, enraging Marco as Whitebeard focused on getting Ace and the others away.
• Whitebeard used his fruit’s power to knock Akainu out of elementalization.

Ace fell for Akainu’s taunts and turned back to fight him, putting himself and Luffy in danger. Sabo intervened to block Akainu’s attack and called for Ace and Luffy to help him.

• Akainu provoked Ace by insulting Whitebeard, and Ace charged at him despite Jinbe’s warning.
• Marco shielded Ace from Akainu and urged him to escape, but Luffy ran toward the fight.
• Akainu switched his target to Luffy, while Sengoku restrained Garp and prevented him from intervening.
• Ace stepped in front of Luffy to take Akainu’s attack, declaring that he would protect his brother.
• Sabo rushed in with Minazuki and blocked Akainu’s strike, rapidly healing as magma burned him.