Arc 3The Zephyr Attack

Oran left MADS, built a new life on Bean Island, and strengthened ties with the Marines while continuing his research. The arc ended with him foiling a Government plot against Zephyr’s family, prompting Zephyr to race back to Marineford.

  • Oran and Vegapunk fought off Piekro’s assassins, won three Ybel Prizes with MADS, and received an invitation from the Five Elders.
  • Oran rejected working under the World Government and left MADS as Vegapunk accepted its offer to lead the Punk Hazard research institute.
  • Oran settled on Bean Island with Kate, Blitz, Frankenstein, and Laili, where a Mountain Wyrm hatched and bonded with Laili.
  • Oran trained with Sett, exchanged lessons in Haki and fighting spirit, and later agreed to help the Marines improve their Prosthetic Bodies.
  • Oran developed a silver-gel exoskeleton and traveled with Frankenstein to Marineford after Tsuru’s delegation arrived on Bean Island.
  • Frankenstein and Zack followed suspicious men to Zephyr’s home, where escaped pirates attacked Zephyr’s wife and son, Yeklik.
  • Oran and Zack defeated the pirates and summoned the Navy, while a CP0 agent told Saturn that Oran had disrupted the Government’s planned attack on Zephyr’s family.
  • Zephyr learned of the attack and ordered his warship to return to Marineford at full speed.
Chapters 52–76 Vol. 1 Read

Ch. 52Students' Strongest Skill: Calling in Reinforcements

Oran settled Caesar’s punishment and discussed cloning plans with Vegapunk, while Heimerdinger used a Dream Enhancer to contact Oran and ask about his trouble. The chapter ended with Oran’s consciousness appearing before Heimerdinger in Piltover.

  • Oran left Queen to audit Caesar’s accounts, and Queen gleefully threatened to scrutinize every entry while Judge reconsidered resisting.
  • Oran and Vegapunk compared their plans to study different Devil Fruit types and examined their growing clones.
  • Vegapunk explained that he was cloning an adult assistant, while Oran said he wanted his clone to grow up and develop into a powerful fighter.
  • Oran and Vegapunk agreed that they were responsible for the humans they had created.
  • In Piltover, Heimerdinger used Lulu’s magic to power his Dream Enhancer and bring Oran’s consciousness to him.
  • Heimerdinger asked Oran what had happened after hearing that he was in trouble.

Ch. 53Heimerdinger, Ohara's Exploration Ship

Heimerdinger reached Oran through a device powered by Lulu’s magic, but the unstable dream connection ended before their conversation could continue. After Oran woke aboard the ship, his crew spotted a fleeing exploration ship pursued by pirates, and its captain introduced himself as Clover of Ohara.

  • Heimerdinger explained how his device used Lulu’s magic to draw Oran into a dream and warned that he might not be able to contact him again.
  • Lulu’s unstable magic disrupted the device, ending Oran’s dream before he could finish speaking.
  • Oran woke aboard the ship, where Kate and Blitzcrank detected an approaching vessel being chased by pirates.
  • The crew prepared for battle as the approaching ship’s passengers also readied themselves to fight.
  • Captain Clover complained that pirates were pursuing his scholars’ exploration ship despite finding no treasure in the ruins.

Ch. 54Overlimit Burst Flash—Do You Understand the Value of a Melee AD?

Clover’s expedition ship sought help from MADS while fleeing pirates, and MADS used the encounter to test new weapons. Kate boarded the pirate ship and unleashed her overloaded electrical power, leaving the pirates under attack.

  • Clover’s expedition ship signaled MADS for help when pirates pursued it.
  • Vegapunk and Judge offered new weapons for testing, and Bakin and Kate prepared to fight the pirates.
  • Dylan ordered his pirates to board MADS’s ship and attack the ships ahead.
  • Kate boarded the pirate vessel with Blitz’s mechanical arm and tested Judge’s electric gun and Vegapunk’s Flower Bombs.
  • Kate killed a pirate who threatened to sell her, then used Flower Bombs to disable the pirates’ guns.
  • Kate activated Overlimit Burst Flash and attacked the pirates with electricity without relying on her gun.

Ch. 55The Price of Betrayal

Kate, Bakin, and Frankenstein destroyed Heavy Axe Dylan’s pirate crew while testing their weapons, but Bakin salvaged Dylan’s head for the bounty. After Feld warned Oran that Piekro and Umit were joining forces against him, Oran proposed offering Umit a safe way across the Calm Belt.

  • Kate blinded the pirates with her electric light and killed many of them as they panicked.
  • Bakin defeated Dylan and prepared to claim his thirty-seven-million-Beli bounty while testing Judge’s electric gun.
  • Frankenstein unleashed the Thunder Tree of Torture, destroying the ship and its remaining pirates; Bakin returned with Dylan’s head.
  • Feld told Oran that Piekro and Umit planned to ally and might attack him before the award results were announced.
  • Oran suggested Feld offer Umit a safe route across the Calm Belt to secure his interest.

Ch. 56Seastone and the Poneglyph

Oran used Seastone technology to strike a deal with Feld, then examined a Poneglyph recovered by Clover's expedition and warned Vegapunk that the World Government would target Ohara's scholars. The underworld's power struggle began anew, and Oran and Vegapunk were nominated for the Ybel Prize.

  • Doflamingo proposed investing in Oran's ship technology, and Oran explained that Seastone embedded in hulls could help ships cross the Calm Belt unseen by Sea Kings.
  • Oran accepted Feld's deal for the technology, while warning Kate to prepare for a difficult fight against Piekro's forces.
  • Vegapunk showed Oran a Poneglyph recovered by Clover's expedition, and Oran warned that the World Government feared research into history.
  • Clover left under cover of night, while Vegapunk secretly analyzed the Poneglyph's ancient technology.
  • Feld, Piekro, and other underworld figures began another bloody struggle, and Oran and Vegapunk were nominated for the Ybel Prize.

Ch. 57Prelude to Making a Name on the Seas

Oran’s work with Vegapunk helped end Tamonda Island’s war, and a newspaper report about Oran’s Ibel Medicine Prize nomination spread across the seas. Piekro found Oran’s location in the paper and ordered assassins to kill him, while Oran prepared for a possible attack.

  • Bakin used Flower Bombs to sabotage both armies’ weapons, and the resulting battle ended with the two sides beginning peace negotiations.
  • Kate brought Oran a newspaper touting his and Vegapunk’s work, and Oran prepared for a possible attack after the report revealed their location.
  • Bear and Ginny read news of Oran’s nomination in the Kingdom of Sorbet and resolved to honor the trust he had placed in them.
  • Ivankov saw the report in Kamabakka Kingdom and began training harder after recognizing Oran’s efforts.
  • Piekro found Oran’s photograph in the newspaper, cut it in two with his scythe, and ordered assassins to kill him.

Ch. 58The Navy's Gaze

Piekro grew furious over Oran’s affordable Prosthetic Bodies and set out to kill him, while Oran prepared to demonstrate the technology in a live surgery. The broadcast reached doctors and Navy personnel, who saw new possibilities in the prosthetics.

  • Piekro blamed Oran’s prosthetic business for threatening his organ-trafficking operation and decided to lead an attack on him.
  • Oran prepared to replace Mito’s damaged lungs and missing right arm with mechanical devices during a live broadcast arranged for publicity.
  • Oran anesthetized Mito and began the surgery, using a ring-shaped device to connect the prosthetic arm to his nerves.
  • A medical professor in West Blue showed the broadcast to students and scolded Hogback, who privately considered the technology’s profit potential.
  • Navy personnel watched the broadcast and recognized that prosthetics could offer a new way to help injured and disabled soldiers.

Ch. 59Mechanical Ascension?

The Navy and World Government considered the military potential of Oran’s prosthetics as Mito recovered from his surgery and MADS sailed toward Ybel Island. Piekro prepared an ambush to kill Oran and everyone aboard the ship, and his assassins spotted their approaching prey.

  • Sengoku and Tsuru discussed the potential of Oran’s prosthetics to strengthen Navy soldiers, while Saturn dismissed the technology as merely interesting and approved Oran for the Ybel Prize.
  • Oran completed Mito’s surgery, connecting the nerves in his arm to a metal control ring and installing a Clockwork Power Device to support his Mechanical Lung.
  • Mito tested his Prosthetic Limb and said he felt better than he had since the battle, while Feld’s people continued documenting his recovery.
  • MADS left for Ybel Island, and Piekro arranged an ambush near a seasonal reef, ordering his men to kill Oran and everyone aboard and disguise the attack as a maritime disaster.
  • Piekro promised a reward of one hundred million Beli for killing Oran, and his assassins spotted the MADS ship as night fell.

Ch. 60What, You Call Them Weak Scientists?

Assassins attacked MADS's ship, but the scientists and their allies fought back with powerful weapons and quickly turned the assault into a massacre. Caesar tried to direct the attackers toward other targets, only to find several assassins already attacking him.

  • Frankenstein left her plants and joined the defense as MADS's ship opened fire on the approaching vessels.
  • Vegapunk identified the blocked route and suspected the attackers were assassins, while Oran prepared to fight.
  • Piekro's men boarded the ship, where Blitz and Frankenstein struck them with mechanical force and lightning.
  • Queen released his Mummy weapon, which killed the assassins exposed to it, and Judge joined the battle to protect himself.
  • Caesar pointed the remaining assassins toward Siderial and Vegapunk, but several attackers launched a coordinated assault against him.

Ch. 61As Everyone Knows, Saiyans Need Artificial Moons

Oran’s group fought off Piekro and the organ-trafficking assassins, who had underestimated the scientists’ abilities. The battle turned in the group’s favor when Kate used Oran’s device to enter Sulong form despite the absent full moon.

  • Caesar and Queen repelled the assassins below deck while Oran watched the battle with Vegapunk and Kate.
  • Jackal Barrack engaged Kate, while the chess-piece assassin sent his clones after Oran, who cut them down.
  • Piekro attacked Oran with his Haki-coated scythe, but an invisible barrier blocked the strike.
  • Frankenstein arrived, drove Piekro back, and smashed the surrounding clones with her warhammer.
  • Kate launched a device that produced artificial moonlight and transformed into Sulong form, then confronted Barrack.

Ch. 62Sulong, Thunder Tree of Torture

Kate used an artificial full-moon device to enter a controlled Sulong form and defeat Barrack’s deputy, while Frankenstein killed Piekro with her Thunder Tree of Torture. Kate then killed Barrack, leaving Oran’s enemies on the ship defeated.

  • Barrack and Piekro realized Kate had entered Sulong form, and Piekro questioned Oran about why he helped the people at the bottom.
  • Oran dismissed Piekro’s taunts while Frankenstein repeatedly attacked him with her warhammer.
  • Piekro pierced Frankenstein’s heart with his scythe, but she restrained him with cables and killed him with Thunder Tree of Torture.
  • Kate destroyed Barrack’s deputy after he tried to interfere with the artificial moon.
  • Kate appeared behind Barrack, tore out his heart, and watched him collapse on the deck.

Ch. 63Your Report Was Timely—Just After I Fully Understood the Situation

Oran and his allies defeated the assassins aboard the ship, and MADS went on to win three Ybel Prizes. After the ceremony, agents delivered Oran and Vegapunk an order from the Five Elders.

  • Frankenstein and Kate confirmed the assassins near Oran had been dealt with, while Vegapunk broadcast that their leader was dead and the remaining attackers began to flee.
  • Oran told Kate to pursue the escaping assassins and received Doflamingo’s report that Piekro had planned to intercept him; Oran revealed he had already killed Piekro.
  • By dawn, the ambush had ended, with Caesar the most seriously injured among MADS.
  • Oran, Vegapunk, and MADS won three Ybel Prizes after the group advanced to the finals.
  • After the award ceremony, agents in black suits handed Oran and Vegapunk a letter carrying an order from the Five Elders.

Ch. 64Why Is There a Hole in the Walls of Your Holy Land?

Oran and Vegapunk accepted the World Government’s invitation to visit Mary Geoise, intending to scout the Holy Land while keeping their colleagues behind on Ybel Island. After arriving, Oran noticed a hole in the wall of the palace room where they were waiting.

  • Spandine delivered the Five Elders’ invitation and said he had no further orders for Oran and Vegapunk.
  • Oran and Vegapunk agreed to visit Mary Geoise, while Oran told Kate and Franky to stay behind and watch the incubation room’s egg.
  • Oran and Vegapunk traveled with Spandine’s group through Sabaody Archipelago and Red Port, then rode a bubble elevator up the Red Line.
  • Vegapunk admired the bubble technology and began thinking of new inventions during the ascent.
  • An attendant led Oran and Vegapunk to a palace room, where Oran spotted a hole in the wall.

Ch. 65The Five Elders, a Small Goal for the Future

Oran and Vegapunk met the Five Elders, who warned them against forbidden research and hinted that the World Government might recruit them. On the way back, Oran decided he would seek Government support without accepting its restrictions by pursuing the Shichibukai position.

  • Oran and Vegapunk noticed a small hole in the reception room wall before guards escorted them to meet the Five Elders.
  • Venus, Jupiter, Wororochy, and Muz welcomed the scientists, warned them about their conduct and research, then left Saturn to speak with them.
  • Saturn praised Oran and Vegapunk’s potential, cautioned them against prohibited research, and suggested they might serve the Government in the future.
  • Afterward, Vegapunk considered the appeal of Government funding, while Oran rejected the idea of being constrained by Government oversight.
  • Oran decided to pursue the Shichibukai position as a way to gain Government support while preserving his independence.

Ch. 66My Daughter

After MADS’s lineage factor research was exposed, the World Government summoned Vegapunk to lead the Punk Hazard research institute, while Oran prepared to leave with his daughter Laili and their research. As Judge and Queen tried to recruit him for their separate plans, Caesar celebrated the prospect of becoming MADS’s undisputed second-in-command.

  • MADS made a breakthrough in lineage factor research, and Oran gave several key achievements to Vegapunk while warning him that the results had leaked.
  • Vegapunk accepted the World Government’s terms to lead the Punk Hazard research institute, while Oran decided to finish his work and leave MADS.
  • Oran prepared to depart with Kate, Blitz, Frankenstein, and his three-year-old daughter Laili, whose clone origin he kept private.
  • Kate showed Oran a honey fruit that had mutated into a Devil Fruit, and Oran told her to store it.
  • Judge and Queen separately urged Oran to join their plans, while Caesar smiled at the prospect of becoming MADS’s undisputed second-in-command.

Ch. 67What to Do When the God of Wealth Can Fight a Bit Too Well

After leaving MADS, Oran turned down Judge and Queen’s plans and was welcomed by Doflamingo, whose businesses had grown through Oran’s technology. The visit ended with Lyliana, Oran’s three-year-old daughter, throwing Doflamingo over her shoulder while trying to grab a gemstone.

  • Caesar planned to join Vegapunk under the World Government, while Judge and Queen tried to recruit Oran and he offered them roles as his research assistants instead.
  • Most of MADS’s researchers joined Vegapunk at the World Government’s institute, and the organization took over MADS’s resources.
  • Doflamingo welcomed Oran to Bean Island and explained how Oran’s technologies had helped his businesses and banking system prosper.
  • Doflamingo offered Lyliana a gemstone and repeatedly pulled it away as she tried to grab it.
  • Lyliana caught the gemstone and accidentally threw Doflamingo over her shoulder, startling him when he learned she was only three.

Ch. 68What If Charlotte Linlin Trained Properly

Oran’s three-year-old daughter Lilianna accidentally threw Feld while mistaking him for a sparring partner, then left with Kate and Blitz for their new home. Feld told Oran the Navy was interested in buying prosthetic bodies and receiving technical guidance, prompted by Iron Arm Mito’s success with his prosthetic arm.

  • Lilianna threw Feld, apologized when she realized her mistake, and eagerly offered to do it again.
  • Feld avoided another throw by asking Lilianna to leave with Kate and Blitz while he spoke with Oran.
  • Feld told Oran that the Navy wanted prosthetic bodies for wounded and disabled soldiers and might offer a long-term military supply contract.
  • Oran asked why the Navy had shown interest now, and Feld showed him a newspaper article about Iron Arm Mito becoming a Marine Headquarters colonel.

Ch. 69Iron-Armed Marine, Hatching Egg

Mito joined the Marines and earned a promotion after fighting with his prosthetic arm, while Oran brought his family to a new residence. There, the dragon egg hatched, revealing an Elemental Wyrm.

  • Mito maintained his damaged prosthetic arm at Marine G-2 Branch and learned he was being promoted to colonel and summoned to Headquarters for a medal ceremony.
  • Oran agreed to Feld’s plans for military sales and returned to the residence Feld had prepared for him.
  • Lyliana welcomed Oran by leaping into his arms, and Kate searched the house with Searchlight Devil Fruits to check for hidden surveillance devices.
  • Frankenstein noticed the egg in the incubator moving, and Oran told the others it was an Elemental Wyrm egg he had traded for with Ithargil’s Tenth Princess.
  • The egg cracked, and a rocklike head emerged.

Ch. 70Wyrm and Playmate

Oran watched an Earth-Attribute Mountain Wyrm hatch and bond with Lyliana, giving her a durable playmate. As he considered how to keep the wyrm’s growth in step with hers, Kate delivered Feld’s updated Devil Fruit encyclopedia, which identified the mysterious grapes as the Logia Type—Mercury-Mercury Devil Fruit.

  • Oran stroked the newly hatched Mountain Wyrm and asked Lyliana to gather ingredients while it adjusted to the world.
  • Oran told Kate how he had traded technology and influence with Qiyana for Ithargil’s resources and the Dragon Egg.
  • Lyliana returned with mud ingredients, and the Mountain Wyrm opened its eyes and bonded with her as its first family.
  • Lyliana and the young wyrm played together, and Oran decided he might need to accelerate the wyrm’s growth.
  • Kate gave Oran Feld’s updated Devil Fruit encyclopedia, which identified the grapes as the Logia Type—Mercury-Mercury Devil Fruit.

Ch. 71You'd Better Stay Away from My Mom!

Oran gave Kate the Mercury-Mercury Devil Fruit after she rejected it, named the newly hatched earth dragon Terra, and prepared to research Logia abilities. Later, he visited Sett in Ionia and offered to trade knowledge of Haki for Sett’s fighting spirit, leaving Sett’s response unknown.

  • Kate declined the Mercury-Mercury Devil Fruit because she felt it did not suit her, so Oran kept it for Logia research.
  • Lyliana roughhoused with the young earth dragon until it became exhausted, and Oran named it Terra.
  • Oran read about Terra’s diet, while Kate reported that the household needed more cooks; Oran planned to recruit some from town.
  • Oran and Blitz set up defenses, and Lyliana fell asleep after playing with Terra.
  • Sett confronted Oran about his frequent visits, but pretended to his mother that they were friends; afterward, Oran offered to trade his use of Haki for Sett’s fighting spirit.

Ch. 72So You're Playing Me with That Last-Second Stop, Kid?

Oran and Sett tested Armament Haki in Sett’s underground arena and exchanged their initial training methods. After Oran returned to Bean Island and studied Sett’s boxing technique, Kate reported that a warship had arrived at the harbor looking for him.

  • Sett took Oran to his underground fighting arena and warmed up by fighting several opponents.
  • Oran demonstrated Armament Haki, and Sett tested its power and defensive strength in their sparring match.
  • Oran and Sett agreed to trade training methods, then arranged to continue their lessons another time.
  • After waking on Bean Island, Oran recorded Sett’s Intentional Punch technique and considered how it could combine with Haki.
  • Time passed into 1490, when Kate told Oran that a warship had landed at the harbor and appeared to be looking for him.

Ch. 73Amorphous Combat Body: Mercury Zack

Tsuru arrived at Bean Island to discuss the Marines’ Prosthetic Body research with Oran, while Oran completed an experiment fusing Zaun alchemical reagents with the Mercury-Mercury Devil Fruit. The experiment produced a shapeshifting silver combat substance that Oran tested as armor and a weapon.

  • The Marines turned to Oran for help improving Prosthetic Bodies after Vegapunk declined and Caesar failed to make progress.
  • Oran sent Kate and Franky to receive Tsuru’s delegation while he finished his experiment.
  • Tsuru arrived at Bean Island with Gion and her female subordinates, explaining that she had come to ensure their safety and show respect for Oran.
  • Oran activated a tank of Zaun alchemical reagents and drew the silver gel inside it into his exoskeleton.
  • Oran tested the gel in defense mode, then formed a mantis-like blade that cut through a metal target before the substance returned to his exoskeleton.

Ch. 74A Five-Stack Lineup, Marine Headquarters

Oran tested Zack’s new independent combat form and traveled with Frankenstein to Marine Headquarters to provide technical guidance. After the Marine doctors were delayed by pirates, Frankenstein spotted suspicious people near Oran’s residence, apparently heading toward Zephyr’s family home.

  • Oran formed Zack into a command-dependent humanoid combat unit and tested his ability to learn a puzzle by imitation.
  • Tsuru sent Kate and Frankenstein to meet the Marine delegation, and Kate’s distaste for the Marines made the welcome chilly.
  • Oran left his household in Kate and Blitzcrank’s care, then traveled with Frankenstein aboard Tsuru’s warship to Marineford.
  • Tsuru learned the Marine doctors had been delayed by a pirate encounter, so Oran agreed to wait at Marine Headquarters.
  • Frankenstein investigated the area around their residence and found suspicious people heading toward the home of Zephyr’s family.

Ch. 75Pirates at Marine Headquarters

Oran and Frankenstein investigated suspicious people in Marineford and discovered that escaped pirates were targeting Zephyr’s family. The pirates attacked Zephyr’s home, and as one raised his blade against Yeklik, a silver tentacle grabbed his arm.

  • Oran ordered Frankenstein to check the nervous strangers, and Zack followed them through the sewers while pointing Oran toward their destination.
  • Yeklik played at being the hero Z in his yard, and his mother scolded him for wearing a bedsheet as a cape.
  • Escaped pirates identified Zephyr’s home and planned revenge because he had imprisoned them instead of killing them.
  • The pirates broke into the house during a celebration and cornered Zephyr’s wife and Yeklik in the kitchen.
  • Yeklik stabbed a pirate’s foot with a fork to protect his mother, and a silver tentacle from the sink seized the pirate’s arm as he raised his blade.

Ch. 76The Admiral Who Refused to Kill, Black Arm Zephyr

Zack and Oran stopped pirates from killing Zephyr’s family, while the World Government’s role in arranging the attack was revealed. Zephyr rushed back to Marineford, and Saturn ordered the captured pirate eliminated as the government waited to see Zephyr’s reaction.

  • Zack’s clone restrained and suffocated two pirates who had attacked Zephyr’s wife and child.
  • Oran arrived with Frankenstein, defeated the remaining pirates, and arranged for the Navy to respond.
  • A Navy soldier secretly slipped away while Oran focused on contacting Marine Headquarters and recalling Zephyr’s history.
  • A CP0 agent reported to Saturn that Siderial had disrupted the planned attack on Zephyr’s family.
  • Saturn revealed that the World Government had arranged the raid to change Zephyr’s views, then ordered the surviving pirate to disappear.
  • Zephyr learned what had happened and ordered his warship to return to Marineford at full speed.
Arc 3 of 19