Arc 3Flexible Justice

Sephiroth received the Butcher Blade, expanded his weapons enterprise, and stole two Devil Fruits from Doflamingo while balancing Marine duties with his private plans. The arc ended with Zephyr’s cadets sailing to Dressrosa for their practical assessment.

  • Zephyr took the cadets to intercept pirates near Paldia, where Sephiroth killed dozens and later received the life-draining Butcher Blade from Steel Bone Kong.
  • Sephiroth returned to his villa, gave Boa Hancock the Love-Love Fruit, and spent time with her and her sisters before retrieving the Door-Door Fruit from the City of Water.
  • Sephiroth and Gild Tesoro built up Umbrella Corporation’s weapons operation, while Sephiroth hunted pirates and defeated several crews to raise money for Vegapunk’s weapon-feeding technology.
  • Sephiroth gave Fortes Jim the Munch-Munch Fruit, and Jim fused Devil Fruits with weapons to create Derp Wolf and give the Butcher Blade the Door-Door Fruit’s spatial passage ability.
  • Sephiroth directed Rear Admiral Doro toward Dracule Mihawk, then used Hawkeye’s defeat of Doro to help get Doro demoted and transferred.
  • Sephiroth secretly observed Stussy hand Doflamingo the Snow-Snow Fruit and Stone-Stone Fruit, then stole both while Doflamingo slept.
  • Zephyr asked the cadets to define their justice, and Sephiroth chose “Flexible Justice.”
  • Zephyr led Class One through Mariejois and down to the New World, where they boarded a warship bound for Dressrosa.
Chapters 51–75 Vol. 1 Read

Ch. 51Midterm Exam

Zephyr led the Military Academy students on a midterm exam mission to intercept pirates traveling to the Underground Navigation Competition. After the fleet reached G-8 Fortress and resupplied, it set out for Paldia, while Sephiroth considered searching Sky Islands for gold and the Rumble-Rumble Fruit.

  • Zephyr announced a battlefield exam and took the students aboard ten warships toward G-8 Fortress.
  • Zephyr explained that the students would intercept pirate crews sailing from Hannabal Island to the Underground Navigation Competition, warning them about wanted criminals including Bloodhand Mole and Dual-Blade Sosa.
  • The fleet entered G-8 Fortress, where Sephiroth hinted to Gion that visitors might sometimes arrive from the sky.
  • Sephiroth thought about seeking Shandora's gold with Gild Tesoro and searching Birka Sky Island for the Rumble-Rumble Fruit.
  • After the warships replenished supplies, Zephyr ordered the fleet to follow G-8's ships toward Paldia.

Ch. 52Naval Battle

Sephiroth and the Marine Academy students fought four pirate ships amid a violent storm near Paldia Island. After Sephiroth destroyed two crews and killed Bloodhand Mole, Zephyr praised his performance and promised to request a sword reward.

  • Zephyr ordered Shuzo to defend the warship while he confronted a pirate ship, and Sephiroth split another pirate ship in half with a Crimson Sword Qi slash.
  • Sephiroth flew to the rear three-masted ship and slaughtered its pirates, but Bloodhand Mole used the Rust-Rust Fruit to corrode part of Sephiroth's blade.
  • Sephiroth shot Bloodhand Mole with a Haki-infused bullet, then killed the remaining pirates aboard the three-masted ship.
  • The Marines counted 101 pirate deaths and 172 wounded, while Zephyr noted that Sephiroth had killed 84 pirates and asked him to leave survivors next time.
  • Sephiroth asked Zephyr to secure him a Supreme Grade or Great Grade Sword, and Zephyr agreed to report the request to Fleet Admiral Kong.

Ch. 53Butcher Blade

Steel Bone Kong gave Karl D. Sephiroth the life-draining Supreme Grade Sword Butcher Blade after warning him about its cost and asking for his loyalty to the Marines. Sephiroth tested its power at the beach and discovered that it greatly strengthened his sword slashes, though it consumed his lifespan whenever it used Haki.

  • Steel Bone Kong asked Sephiroth about his swordsmanship and showed him Butcher Blade, explaining that it drained its wielder's life force but enhanced attacks with Armament Haki.
  • Sephiroth accepted Butcher Blade, using his stored lifespan to withstand its initial drain, and agreed to Steel Bone Kong's request that he serve the Marines well.
  • At the beach, Sephiroth cut through a large rock with ease and found that the sword's automatic Haki coating cost him a day of lifespan.
  • Sephiroth infused Butcher Blade with his own Haki and unleashed a Flying Slash that sheared a massive section from a distant cliff, far surpassing his previous attacks.
  • Sephiroth considered how much stronger Butcher Blade might become as a Black Blade and recognized that he still needed time to master it.

Ch. 54A Toast to a Peaceful and Beautiful Life!

Sephiroth experimented with improving his Armament Haki and planned to retrieve the Door-Door Fruit during his vacation. Just as he toasted to a peaceful life aboard a cruise ship, pirates attacked.

  • Sephiroth’s attempt to redirect Armament Haki caused internal bleeding, so he studied his notes and designed a new energy circulation route.
  • Sephiroth considered how to raise his Haki capacity and planned to use his vacation to retrieve the Door-Door Fruit from beneath his villa in the City of Water.
  • Sephiroth asked Gild Tesoro to search for technology that could let weapons consume Devil Fruits, and considered stealing it from Vegapunk if necessary.
  • Sephiroth ordered a meal and champagne aboard the cruise ship, then toasted to a peaceful life.
  • The captain announced that pirates were approaching, and Sephiroth sighed that the wine had begun to taste worse.

Ch. 55Is That All?

Sephiroth killed Chris and his pirates after they attacked a commercial tourist ship, then found the Love-Love Fruit among their treasure. He returned to the tourist ship and enjoyed lunch after rescuing its passengers.

  • Chris ordered his pirates to bombard the commercial tourist ship and prepare to board it.
  • Sephiroth shot Chris dead with an Armament Haki-coated bullet, then cut down the pirates aboard their ship.
  • Sephiroth searched the ship and found the Love-Love Fruit and stacks of Belly in a chest in the Captain's Cabin.
  • Sephiroth returned to the commercial tourist ship, where its captain thanked him for the rescue.
  • Sephiroth went to the dining hall and leisurely ate lunch.

Ch. 56Love-Love Fruit

Sephiroth returned to his villa in the City of Water and reunited with Boa Hancock, who confessed how much she missed him. He gave her the Love-Love Fruit, and after she ate it, its irresistible charm overwhelmed him.

  • Sephiroth flew back to his villa and found Boa Hancock cleaning inside.
  • Boa Hancock threw herself into Sephiroth's arms and told him she had missed him.
  • Boa Hancock explained that Captain Shakky had taught her to act seductively and that she had been visiting to clean the villa and practice cooking.
  • Sephiroth offered Boa Hancock the Love-Love Fruit, and she ate both fruits without asking about their powers.
  • Sephiroth felt the fruit's charm take hold of him and grabbed Boa Hancock's hands, declaring that he was hungry and wanted to make dumplings.

Ch. 57Wrapping Dumplings

Shakky reflected on the Boa sisters’ potential and Hancock’s awakening of Conqueror’s Haki while the Kuja Pirates relaxed in the City of Water. Later, Sephiroth taught Hancock how to wrap dumplings, and she learned after an afternoon of practice.

  • Shakky let the Kuja Pirates socialize at Bolton Bar and teased Marigold and Sandersonia about Sephiroth becoming a Marine.
  • Marigold and Sandersonia said Sephiroth would never become their enemy.
  • Shakky recalled bringing the Boa sisters aboard the Perfume Yuda to develop their Haki and Hancock awakening Conqueror’s Haki while saving her sisters.
  • Shakky considered asking Sephiroth for a favor to help Hancock in the future.
  • Sephiroth taught Hancock to wrap dumplings, and she learned after practicing all afternoon.

Ch. 58Why Was It So Hard...?

Sephiroth cooked dinner while Boa Hancock rested after eating the Love-Love Fruit, whose power had made her even more captivating. At the dinner table, Hancock and Sandersonia both clung to Sephiroth, leaving him unable to enjoy a quiet meal.

  • Boa Marigold and Boa Sandersonia returned to the villa and found Sephiroth lounging while Boa Hancock was upstairs resting.
  • Sephiroth cooked eighteen dishes with Marigold and Sandersonia, who sneaked bites as they helped.
  • Sandersonia checked on Boa Hancock and saw her sleeping before returning downstairs to help prepare dinner.
  • Sephiroth woke Boa Hancock for dinner, and she jumped out of bed, causing him to get a nosebleed.
  • Boa Hancock credited Sephiroth for her new beauty and clung to his arm, while Sandersonia demanded a Devil Fruit and clung to his other arm.

Ch. 59Late Night

Sephiroth and Hancock spent a quiet evening at the villa, where he trimmed her toenails after she complained about the weakness caused by her Devil Fruit. After Hancock agreed to his suggestion, Sephiroth took her upstairs to the bedroom.

  • Sephiroth and the others cleaned the villa after dinner.
  • Hancock told Sephiroth that bathing left her weak since she ate the Devil Fruit, and he suggested physical training and Sea Stone cuffs to help her build resistance.
  • Hancock asked Sephiroth to trim her toenails, and he did so while she laughed at the ticklish sensation.
  • Sephiroth invited Hancock upstairs to sleep, and she agreed.
  • Sephiroth took Hancock by the hand and led her to the bedroom on the villa's second floor.

Ch. 60Design Blueprints

Sephiroth visited Tom’s Workshop to recruit Franky as a weapons designer and obtain the Sea Train blueprints for his company. Franky hesitated over the moral cost of making weapons, but Tom gave Sephiroth the blueprints for free, and Sephiroth left the City of Water for Marineford.

  • Sephiroth arrived at Tom’s Workshop and waited for Tom, Franky, and Iceburg to wake up.
  • Sephiroth offered Franky a job designing weapons, but Iceburg’s warning about killing made Franky hesitate, so Sephiroth told him to take his time deciding.
  • Sephiroth asked Tom to sell him the Sea Train design blueprints so his company could transport materials safely and quickly.
  • Tom gave Sephiroth the blueprints for free, thanking him for the Internal Combustion Engine designs that had made the Sea Train possible.
  • Iceburg set out to discuss Sephiroth’s shipbuilding and Sea Train development proposals with the City of Water’s shipbuilding companies.
  • Sephiroth retrieved the Door-Door Fruit and traveled by commercial sailboat via the Sabaody Archipelago back to Marineford.

Ch. 61Good Advice Cannot Save the Doomed

Sephiroth returned to Marineford after vacation and discussed the Marines’ relationship with the Celestial Dragons with Smoker. At the training ground, Gion warned him that the Butcher Blade was a life-draining Demonic Sword, but Sephiroth refused to give it up.

  • Sephiroth found Smoker smoking in their dorm room and asked whether he had spent the whole vacation in bed.
  • Sephiroth gave Smoker expensive cigars, and Smoker questioned whether he should remain in the Marines because they served the Celestial Dragons.
  • Sephiroth went to the snowy training ground, exercised while wearing Sea Stone handcuffs, and set a goal of using Armament Haki despite their suppression.
  • Gion visited Sephiroth and warned him that the Butcher Blade drained its wielder’s life, explaining that she had chosen Konpira instead.
  • Sephiroth agreed that Gion’s warning made sense but refused to return the Butcher Blade, then walked away.

Ch. 62New Year's Eve Gala

At Marine Headquarters’ New Year’s Eve gala, Zephyr gave the Military Academy students bottles of Sherry, and Sephiroth beat a drunken Maynard at arm wrestling by distracting him. After chatting with the students, Sephiroth left Oris Plaza for the Military Academy dormitories.

  • Zephyr arrived at the students’ table and gave each of them a bottle of Sherry as a New Year’s gift.
  • Maynard challenged Sephiroth to an arm-wrestling match, betting that the loser would finish a bottle of tequila.
  • Sephiroth distracted Maynard by claiming Gion had a wardrobe malfunction, then forced Maynard’s hand onto the table.
  • Maynard drank the bottle of tequila and collapsed onto the table, still protesting the loss.
  • Sephiroth chatted with the students, then left Oris Plaza and headed for the Military Academy dormitories.

Ch. 63What a Sin!

At the New Year celebration, Sephiroth and Gion fought after she overheard his careless remark, but their rooftop clash ended in an almost-kiss before Gion declared them even and left. The next morning, Gion remained cold toward him, while Tokikake revealed that Miss Liliana had rejected him and told him to stop harassing her.

  • Gion confronted Sephiroth beneath the dormitory and attacked him over a remark he had made.
  • Sephiroth and Gion fought across the dormitory rooftop, where he caught her when she fell and nearly kissed her before stopping himself.
  • Gion stomped on Sephiroth's foot, declared them even, and left the rooftop.
  • During the next morning's run, Gion ignored Sephiroth's greeting, and Tokikake asked him about their fight.
  • Sephiroth mocked Tokikake for claiming to understand women, and Tokikake recalled that Miss Liliana had rejected his confession and told him to stop harassing her.

Ch. 64I, Roronoa Zoro, Pay Up!

Sephiroth learned that Vegapunk would sell the technology for feeding Devil Fruits to weapons for twenty billion Belly, so he took up the Pirate Hunter Roronoa Zoro identity to raise the money. Before returning to the Military Academy, he hunted pirates across Sabaody and collected bounties and loot.

  • Gild Tesoro told Sephiroth that Vegapunk was selling the weapon technology and its Lineage Factor principles for twenty billion Belly.
  • Sephiroth learned the company could spare only fifteen billion Belly and decided to earn the rest by hunting pirates as Roronoa Zoro.
  • Gild Tesoro introduced Fortes Jim, a weapons designer he had freed from a Human Trafficking Shop and appointed to lead the company's Weapon Workshop.
  • Sephiroth gave Gild Tesoro weapon design concepts for Fortes Jim to develop.
  • Sephiroth hunted pirates throughout Sabaody, collected their bounties, and looted their ships before returning to the Military Academy.

Ch. 65Bullets Can Actually Curve!?

Sephiroth attacked three allied pirate crews on Sabaody Archipelago and demonstrated that his sound waves could curve a bullet around Gielman’s Observation Haki. Gielman shrugged off the shot, while Fat Jones swallowed the wounded Victor, leaving Sephiroth facing the surviving pirates.

  • Victor ordered his crew to stay aboard while Jones and Gielman mocked his caution and led their crews ashore.
  • A dense black fog trapped more than a hundred pirates, and Sephiroth moved through them, cutting down crew members as they fired blindly.
  • Victor transformed into a Mantis Man and joined the fight, but stray bullets wounded him before Sephiroth slashed him across the chest.
  • Gielman interrupted Sephiroth’s attempt to finish Victor, and Jones fired at them with his arm-mounted submachine gun.
  • Sephiroth used a sound wave to curve an Armament Haki-coated bullet toward Gielman, but the shot barely marked him.
  • Jones found Victor still breathing and swallowed him whole.

Ch. 66Fusion

Sephiroth fought Gielman while the Metal Mantis Man joined the battle, and he killed the Metal Mantis Man with the Butcher Blade. He continued battling Gielman, who demonstrated advanced Armament Haki and shattered one of Sephiroth’s swords, leaving the fight unresolved.

  • Fat Jones swallowed Viktor and transformed into a Metal Mantis Man, then attacked Sephiroth and Gielman with his weapons and guns.
  • Sephiroth drew the Butcher Blade, severed the Metal Mantis Man’s arm, and used Vampire Transformation to cut him into four pieces.
  • Sephiroth evaded Gielman’s attacks by splitting into Black Bats, then reassembled and faced him again.
  • Gielman used advanced Armament Haki to destroy Sephiroth’s ordinary longsword from within.

Ch. 67Munch-Munch Fruit

Sephiroth defeated Gielman by enhancing his arm strength with Armament Haki and exploiting the pirate’s loss of composure. He found the Munch-Munch Fruit in a black cloth bag and realized its fusion and modification abilities might be useful.

  • Sephiroth stopped using the Black Mist and enhanced his arm muscles with flowing Armament Haki as Gielman charged him.
  • Sephiroth used Instant Slash to wound Gielman, then exploited his growing fear and sloppy attacks to cut him down.
  • Sephiroth searched the black cloth bag beside Gielman’s corpse and found the Munch-Munch Fruit.
  • Sephiroth considered the fruit’s ability to fuse and modify living creatures and objects, then had a sudden idea.

Ch. 68Hawkeye

Sephiroth collected the bounties from his latest pirate hunt and encountered Dracule Mihawk, who challenged him to a duel. After agreeing to meet in ten days, Sephiroth returned to the Marine base and learned that Rear Admiral Doro had taken command of Sabaody’s base, prompting him to plan against the hardliner.

  • Sephiroth loaded the corpses and treasure from three pirate ships onto Bubble Handcarts, gathering 840 million Belly in bounties and enough wealth to buy Devil Fruit weapon technology.
  • Dracule Mihawk challenged Sephiroth, but Sephiroth said he was too exhausted to fight and arranged to meet him in ten days.
  • Sephiroth left 52nd Island, privately deciding he would not risk fighting Mihawk before training for several more years.
  • Sephiroth brought the corpses to the Marine base, where Captain Lutherf identified the pirates and gave him documents for the 840 million Belly bounty.
  • Lutherf told Sephiroth that Rear Admiral Doro had replaced Kizaru as the base commander, and Sephiroth resolved to find a way to undermine Doro.

Ch. 69Digging a Pit

Sephiroth set a trap for Rear Admiral Doro by giving him information about Dracule Mihawk, then visited Umbrella Corporation’s weapons factory to test a powerful sniper rifle and recruit its designer, Fortes Jim. He left Jim with the Munch-Munch Fruit and instructed Gild Tesoro to complete the technology purchase from Vegapunk.

  • Sephiroth gave Rear Admiral Doro information that Dracule Mihawk would appear on 52nd Island in ten days, encouraging Doro to pursue a military achievement.
  • Sephiroth visited Umbrella Corporation’s weapons factory with Gild Tesoro and learned that the company used the CP Organization to ship arms to the Four Seas.
  • Fortes Jim showed Sephiroth the AWM sniper rifle he had built, and Sephiroth tested it and ordered that it be reserved for company use while elite marksmen were trained.
  • Sephiroth offered Jim the Munch-Munch Fruit in exchange for his loyalty, and Jim accepted and ate it.
  • Sephiroth took Jim’s fingernails to make a Vivre Card, revealed his face to Jim, and told him to develop his Devil Fruit abilities for an important task in a week.
  • Sephiroth urged Gild Tesoro to complete the technology purchase transaction with Vegapunk.

Ch. 70Experiment

Sephiroth tested Jim’s ability to fuse Devil Fruits with objects, creating a wolf that could transform into a rocket launcher and giving Butcher Blade the Door-Door Fruit’s spatial power. He insisted on buying Devil Fruit weapon-feeding technology for its Lineage Factor research, which he believed could reveal how Devil Fruits were created and pointed back to the ancient Lunar People.

  • Jim demonstrated a rocket launcher with a thousand-meter effective range to Sephiroth, Gild Tesoro, and Stella.
  • Sephiroth made Jim swallow the Dog-Dog Fruit, Wolf Form and the rocket launcher, and Jim fused them into a wolf that could transform into the weapon.
  • Sephiroth named the wolf Derp Wolf and had Jim fuse the Door-Door Fruit with Butcher Blade.
  • Sephiroth used Butcher Blade to open a spatial passage, surprising Gild Tesoro with the weapon’s new ability.
  • Sephiroth told Gild Tesoro that they still needed to buy the weapon-feeding technology to study its Lineage Factor principles and potentially mass-produce Devil Fruit abilities.
  • Sephiroth suggested that the ancient Lunar People were behind the origins of Devil Fruits.

Ch. 71The Door-Door Fruit's Bug-like Ability

Sephiroth tested the Door-Door Fruit’s ability to travel through space and watched Hawkeye defeat the Marines who ambushed him. After the defeat made the news, Rear Admiral Doro was demoted, a new commander took over the Sabaody base, and Hawkeye’s bounty rose to 650 million Belly.

  • Sephiroth discovered that he could use the Door-Door Fruit and a Black Bat to open doors between distant locations, and he resolved to develop the Vampire Fruit further.
  • Hawkeye arrived at the 52nd Island on the Sabaody Archipelago and defeated the Marines led by Rear Admiral Doro, while Sephiroth watched through Visual Sharing.
  • Sephiroth considered learning to control his Conqueror's Haki but worried that revealing his aptitude would make it harder to leave the Marines.
  • Sephiroth arranged for reporters to publicize Hawkeye’s victory, prompting Steel Bone Kong to strip Doro of his rear admiral rank and send him to the North Blue.
  • A brigadier general named Kaisa took command of the Marine base in the Sabaody Archipelago, and Hawkeye’s bounty increased to 650 million Belly.

Ch. 72Explanation

More than three months after abandoning his Pirate Hunter persona, Sephiroth continued building Umbrella Corporation and studying Lineage Factors while relying on the Marines for opportunities. During a self-study session at the Military Academy, he helped Hina and Gion with their coursework and decided to visit the Pleasure District after school.

  • Sephiroth studied biological sciences to understand Lineage Factors after the Devil Fruit weapon-feeding technology was sold for twenty billion.
  • Jim created valuable Memory Alloy for Umbrella Corporation, while Gild Tesoro pursued gambling entertainment and intelligence businesses.
  • Sephiroth considered leaving the Marines after graduation but decided he still needed them as a platform.
  • Hina asked Sephiroth to explain questions from her textbook, and he began tutoring her.
  • Gion flirted with Sephiroth and asked him for help too, so he explained her question while rejecting her invitation to meet in the woods.
  • Sephiroth decided to go to the Pleasure District after school rather than risk Gion's teasing.

Ch. 73Doflamingo

Sephiroth followed Doflamingo and Diamante to the Joyous Club on Sabaody Archipelago, suspecting they were meeting to make a deal. He chose to enjoy the club with a black-haired beauty while sending a Black Bat to eavesdrop on them.

  • Sephiroth spotted Doflamingo, Diamante, and Trebol on the Pleasure District street and followed Doflamingo and Diamante after Trebol went into a club.
  • Sephiroth entered the Joyous Club and learned from a black-haired beauty that its fifth floor was closed to the public.
  • Sephiroth sensed Doflamingo had gone to the fifth floor and decided to use a Black Bat to monitor the meeting instead of following him himself.
  • Sephiroth rented a private hot spring room with the black-haired beauty and released a Black Bat through a restroom window.

Ch. 74Theft

Sephiroth overheard Doflamingo and Stussy arranging a deal for two Devil Fruits, then stole the fruits from Doflamingo’s room. He returned to Marineford with them and planned to give the Snow-Snow Fruit to Stella so she could protect herself and reclaim her kingdom.

  • Stussy told Doflamingo that his criminal operations in the North Blue would be tacitly permitted and handed him the Snow-Snow Fruit and Stone-Stone Fruit.
  • Sephiroth spotted the transaction at the Joyous Club and decided to take the two Devil Fruits.
  • Sephiroth used the Door-Door Fruit’s power to steal the fruits from Doflamingo’s case while Doflamingo slept.
  • Doflamingo discovered the empty case, smashed the table in rage, and unleashed his Conqueror’s Haki.
  • Sephiroth returned to Marineford, hid the fruits in his locker, and planned to give the Snow-Snow Fruit to Stella.

Ch. 75Justice

Zephyr gave Class One a final exam asking them to define their own justice, and Sephiroth chose to write “Flexible Justice.” For their practical assessment, the cadets traveled through Red Port to the New World to answer a Marine request for aid from Dressrosa.

  • Zephyr instructed the cadets to write down the justice they believed in, and Sephiroth settled on “Flexible Justice.”
  • Zephyr announced that Class One would spend its practical assessment supporting the Dressrosa Kingdom.
  • The cadets boarded a warship and sailed to Red Port, where Zephyr led them onto the high-altitude elevator to the Holy Land Mariejois.
  • The group crossed Mariejois and took a second elevator down to Red Port in the New World.
  • The cadets boarded a waiting warship and set course for Dressrosa.
Arc 3 of 21