Arc 3Boin Archipelago Trials

Yoriichi uncovered corruption in Marine Branch 133, returned to Headquarters, and was sent to Boin Archipelago to train under Garp. After defeating Borsalino in close combat, he faced Dragon, who revealed that Yoriichi had already awakened Conqueror’s Haki and began trying to draw it out.

  • Yoriichi and Kyros uncovered a coordinated attack by pirates and corrupt Marines, then arrested Branch 133’s officers under Zephyr’s orders.
  • Kuzan investigated the branch and the Lolo Trading Company, freeing enslaved people and exposing the company’s collusion with Colonel Kane.
  • Yoriichi returned to Marine Headquarters, where Zephyr sent him with Garp to Boin Archipelago for intensive training.
  • Yoriichi survived the living island and used its abundant food to build his body and strengthen his abilities.
  • Borsalino tested Yoriichi in close combat, but Yoriichi concealed his presence and struck him with Observation Killing.
  • Dragon arrived as Yoriichi’s next trial opponent and used his Wind-Wind Fruit and Haki in a fierce battle that tested Yoriichi’s strength and stamina.
  • Yoriichi asked Dragon how to train Conqueror’s Haki, and Dragon revealed that Yoriichi had already awakened it before preparing to draw it out with a punch.
Chapters 51–75 Vol. 1 Read

Ch. 51A Pirate Ship Flying a Different Flag!

Tsugikuni Yoriichi and Kyros arrived at Marine Branch 133 and settled into their new squad. During their first patrol, Yoriichi spotted a ship that Squad Leader Santos identified as a merchant vessel, but it raised a pirate flag and sounded an alarm.

  • Colonel Kane returned to Anger Town with his Marines, whose respect for him made Yoriichi reconsider his suspicions about the colonel.
  • Sergeant Santos welcomed Yoriichi and Kyros to his squad, showed them their dormitory, and explained their patrol duties.
  • Yoriichi and Kyros joined the squad and received their first sea patrol assignment the next morning.
  • Yoriichi spotted an unmarked ship approaching the patrol vessel and questioned Santos's claim that it belonged to the Lolo Trading Company.
  • The approaching ship raised a flag bearing a Pink Skull, and a piercing shriek rang out.

Ch. 52Who Will Answer Me?!

Tsugikuni Yoriichi protected the Marine patrol ship from the Rage Pirates’ cannon fire, then flew to their ship and killed Captain Rage. He demanded to know who had sent the pirates, offering to spare whoever answered.

  • Santos ordered the Marines to evade after a cannonball struck the sea, but the patrol ship suddenly stopped.
  • Yoriichi sensed many presences on the bridge and told Kyros to investigate while he defended the ship.
  • Yoriichi destroyed two volleys of cannonballs with Flying Slashes and used Geppo to approach the pirate ship.
  • Captain Rage ordered his gunners to shoot Yoriichi, but Yoriichi landed on deck and beheaded him.
  • Yoriichi asked the pirates who had sent them and said whoever answered would live.

Ch. 53I Always Keep My Promises to People!

Tsugikuni Yoriichi interrogated the surviving Rage Pirates and learned that the Lolo Trading Company had ordered them to destroy his Marine patrol ship. He spared them according to his promise, then split their ship with a slash and continued toward the patrol ship.

  • Tsugikuni Yoriichi questioned the pirates after killing Captain Rage, and one revealed that the Lolo Trading Company’s president had sent them.
  • The pirates explained that the Rage Pirates operated as the Lolo Trading Company’s slave-trading arm and had been ordered to attack the patrol ship at a specific time and place.
  • Tsugikuni Yoriichi suspected that people in Marine Branch 133 had arranged the attack because they feared an investigation into their activities.
  • Tsugikuni Yoriichi promised to spare the pirates who answered, then flew away from their ship with Geppo.
  • Tsugikuni Yoriichi sent a slash down onto the pirate ship, splitting it in two and leaving the pirates to drown as he returned toward the patrol ship.

Ch. 54Kyros, You Actually Betrayed the Marines?

Tsugikuni Yoriichi returned to the patrol ship and found Kyros surrounded by surviving Marines amid a massacre. After Kyros killed the men accusing him, Yoriichi realized they had fallen into a trap.

  • Tsugikuni Yoriichi split the pirate ship with a Flying Slash, confirmed it sank, and returned to the patrol ship.
  • Tsugikuni Yoriichi followed the smell of blood into the bridge, where Fabrice Simich accused Kyros of killing Sergeant Santos and the other Marines.
  • Kyros explained that Simich’s squad had fired on him first, while Simich had plotted to kill Kyros and another target for a reward from a powerful Mia Kingdom boss.
  • Kyros charged Simich and the seven other Marines after they raised their guns, then cut them all down.
  • Tsugikuni Yoriichi entered the bridge and concluded that they had fallen into a trap.

Ch. 55A Dead End? Make a Call First

Tsugikuni Yoriichi deduced that a Marine combat unit and pirates had joined forces to destroy their patrol ship and kill its crew, possibly to hide a secret within Marine Branch 133. He told Zephyr what had happened and proposed detaining everyone who might be involved, while Zephyr agreed to send investigators.

  • Tsugikuni Yoriichi found Sergeant Santos and the other Marines on the bridge dead, then tried to contact Marine Headquarters through the Den Den Mushi, but the call was cut off.
  • Kyros told Tsugikuni Yoriichi that members of the combat unit had killed the Marines on the bridge and attacked him.
  • Tsugikuni Yoriichi reasoned that the pirate attack and the combat unit's killings were coordinated, and that someone within the Marines had leaked the patrol route.
  • Tsugikuni Yoriichi called Teacher Zephyr and described the attack, suspecting that higher-ups at Marine Branch 133 were hiding a damaging secret.
  • Tsugikuni Yoriichi proposed detaining everyone who might be involved so Zephyr could investigate, and Zephyr agreed to send people while warning them to be careful.

Ch. 56Keep It Simple, Handle Things Simply!

Tsugikuni Yoriichi and Kyros returned to Marine Branch 133 under Zephyr’s orders to arrest its senior officers, but Colonel Kane’s fleet opened fire on them. Yoriichi reached Kane’s ship and held a sword to the colonel’s neck, demanding that he obey.

  • Zephyr authorized Tsugikuni Yoriichi and Kyros to act at their discretion within Marine Branch 133.
  • Yoriichi and Kyros returned to the branch’s naval port and found its warships blocking the entrance.
  • Colonel Kane ordered the fleet to fire on their patrol ship, and Yoriichi flew toward the main warship while Kyros defended their vessel.
  • Kane ordered the warships to target Yoriichi, but Yoriichi cut through the cannonballs and landed on Kane’s deck.
  • Yoriichi told Kane that Zephyr had ordered him to arrest all officers of Officer rank and above, then placed his sword against Kane’s neck when Kane called him a traitor.

Ch. 57Teaching Extremes Produced Another Extreme!

Tsugikuni Yoriichi arrested the officer-ranked Marines of Branch 133, defeating Colonel Kane when he resisted. After securing the fleet and ordering it back to base, Yoriichi left the officers imprisoned while Headquarters verified his claim that Zephyr had ordered the arrests.

  • Tsugikuni Yoriichi confronted Colonel Kane and said he had orders from Zephyr to arrest Branch 133's officer-ranked officers.
  • Kane transformed with his Elephant-Elephant Fruit and attacked, but Yoriichi overwhelmed him and knocked him unconscious.
  • Yoriichi ordered the Marines to bind the officers, then personally subdued those who resisted.
  • Yoriichi had chief petty officers contact Marine Headquarters to verify his orders.
  • Yoriichi visited the other warships, arrested their officers, gathered the fleet in the flagship's prison, recalled Kyros, and ordered the fleet to return.

Ch. 58Leap to Major!

Tsugikuni Yoriichi discovered that Marines at Branch 133 had attacked the returning warships, suggesting a conspiracy within the branch. After Marine Headquarters confirmed his promotion and authorized his investigation, he reached the port and ordered the Marines there to surrender their weapons.

  • Marines at the port fired on the returning warships, setting two patrol ships ablaze and forcing their crews to flee.
  • Yoriichi intercepted the cannonballs with Flying Slashes, ordered the warships to follow the flagship without returning fire, and sent Kyros to guard the brig.
  • Birch told Yoriichi that Headquarters had confirmed his identity as a major and approved his review of Branch 133.
  • The chapter explained that Sengoku promoted and backed Yoriichi after Garp told him Yoriichi had killed the Logia pirate Nyuk with one slash.
  • Yoriichi landed at the port, identified himself to the armed Marines, and ordered them to put down their weapons.

Ch. 59Examiner, Kuzan!

Yoriichi took control of Marine Branch 133, restrained its officers, and kept the branch running while Headquarters confirmed his identity and sent examiners. Ten days later, Kuzan arrived as the examiner, surprising Yoriichi.

  • Yoriichi knocked the branch lieutenant colonel unconscious and ordered the Marines to disarm and detain officers of Officer rank and above.
  • Yoriichi had the branch sergeants contact Headquarters through a Den Den Mushi, and Headquarters confirmed his identity.
  • Yoriichi put the non-commissioned officers in charge of daily duties while he took over Marine Branch 133.
  • Yoriichi sent Kyros to lead teams against pirates, and Kyros gained a reputation through several successful sorties.
  • Ten days after Yoriichi took control, Kuzan arrived from Headquarters as the examiner, and Yoriichi questioned whether he was fit for the job.

Ch. 60Hidden Sins, Premium Goods in the Slave Trade! (2-in-1)

Tsugikuni Yoriichi briefed Kuzan and Victor on suspected corruption at Marine Branch 133, and Kuzan began reviewing its officers. Yoriichi then investigated the Lolo Trading Company at an auction, where he spotted apparent fake pirate slaves and recognized something familiar about the next captive.

  • Kuzan and Victor arrived at Marine Branch 133, where Kuzan warned Yoriichi that his mass arrests had brought criticism upon Zephyr.
  • Yoriichi explained his suspicions about Branch 133 and showed Kuzan and Victor the bloodied patrol ship, convincing Kuzan that the branch needed a serious investigation.
  • Kuzan took over the branch's affairs and began reviewing its officers while Yoriichi went to investigate the Lolo Trading Company.
  • At the company's auction, Yoriichi noticed that five men sold as pirate slaves had no killing intent or scars, and he suggested they might expose the company's crimes.
  • Yoriichi, Kuzan, and Kyros decided to wait until the auction ended before approaching the five captives, then watched the auction introduce a white-haired scholar whom Yoriichi found familiar.

Ch. 61Young People Have Hot Tempers!

Aokiji, Kyros, and Tsugikuni Yoriichi disrupted the Lolo Trading Company’s slave auction, rescuing a woman and fighting the guards. The woman learned they were Marines, and Aokiji asked her name and how she had become a slave.

  • Kyros urged Aokiji to intervene after seeing a woman being auctioned, and Aokiji confronted the host about where the slaves came from.
  • Kyros identified the group as Marines and announced an investigation into the Lolo Trading Company’s suspected ties to pirates, but the guards attacked him.
  • Kyros killed several guards, while Tsugikuni Yoriichi drew his sword in self-defense and cut down the guards who attacked him.
  • Aokiji froze the guards and host who rushed him, turning the area around him into ice.
  • Aokiji broke open the woman’s frozen cage, freed her, and asked her name and how she had become a slave.

Ch. 62You're Free!

Aokiji freed Nico Olvia, who revealed she was from Ohara, while Tsugikuni Yoriichi freed the slaves held beneath the auction venue. The chapter ended with Yoriichi learning that Monk had been sold by Marines and offering to take him to confront them.

  • Aokiji freed Nico Olvia from her cage, and she said pirates had captured her after attacking her exploration ship.
  • Nico Olvia told Aokiji and Kyros that she came from Ohara, and Yoriichi recognized her resemblance to Nico Robin.
  • Yoriichi found the slave pens beneath the venue and cut open every cage, telling the captives they were free.
  • Monk said Marines from Branch 133 had sold him into slavery, and Yoriichi offered to take him to kill them.
  • Monk clutched Yoriichi's leg and broke down sobbing.

Ch. 63Recall, End of Apprenticeship!

The investigation at Marine Branch 133 exposed Colonel Kane’s alliance with the Lolo Pirates and the corruption beneath the Mia Kingdom’s peaceful surface. After Zephyr told Yoriichi his apprenticeship was over, Yoriichi agreed to return to Headquarters within ten days.

  • Aokiji and Victor’s investigation revealed that Kane and the Lolo Pirates had conspired to control the Mia Kingdom through crime and collusion.
  • Yoriichi continued training and fighting pirates while the freed slaves returned home; Aokiji escorted Nico Olvia, and Monk and Kyros received new ranks and assignments.
  • Aokiji and Victor submitted a preliminary report on the Branch 133 investigation to Marine Headquarters.
  • Zephyr called Yoriichi, praised his accomplishments with sarcasm, and ordered him to return to Headquarters because his apprenticeship had ended.
  • Yoriichi agreed to prepare for his return and meet Zephyr within ten days.

Ch. 64The Earliest Cadet to Finish His Internship!

Tsugikuni Yoriichi returned to Marineford after his brief West Blue internship, having become a Headquarters Major and exposed corruption at Marine Branch 133. Zephyr and Garp greeted him at the docks, where they praised his growing strength and argued over their influence on him.

  • Zephyr waited at the docks for Yoriichi, and Garp joined him, prompting Zephyr to blame Garp for Yoriichi’s conduct in the West Blue.
  • Garp defended Yoriichi’s decisive actions, while Zephyr said he had approved Yoriichi’s promotion to Major and believed he was the future of the Marines.
  • Yoriichi reflected that his short internship had taught him little beyond establishing his reputation, earning his new rank, and meeting Nico Olvia.
  • Victor pointed out Zephyr and Garp as the Marine Branch 133 warship approached Marineford.
  • Yoriichi used his improved speed to reach the docks before the gangplank was lowered, and Zephyr and Garp praised his progress.

Ch. 65Kong's Plans, Island of Training!

Tsugikuni Yoriichi returned early from his West Blue internship because Fleet Admiral Kong wanted him trained at Marine Headquarters and taught to follow Marine rules. Zephyr arranged for Garp to take him to the Boin Archipelago, where he could develop his body through extreme training.

  • Tsugikuni Yoriichi returned to Marine Headquarters with Instructor Victor while Kyros stayed in the West Blue to assist Aokiji.
  • Zephyr told Yoriichi that Fleet Admiral Kong had ordered his early return and planned to restrict his time at sea.
  • Zephyr explained that Kong wanted Yoriichi to mature into an outstanding Marine rather than become headstrong like Garp.
  • Zephyr told Yoriichi that Garp would take him to the Boin Archipelago in three days for intensive training to develop his body and Life Return.

Ch. 66Setting Sail Again, Destination: Boin Archipelago!

Zephyr sent Tsugikuni Yoriichi to the dangerous Boin Archipelago for training, apparently to protect him from Fleet Admiral Kong’s interest in him. As the Dog-head Warship departed, Garp reassured Yoriichi about Zephyr and gave him an illustrated Devil Fruit guide.

  • After returning to Marine Headquarters, Tsugikuni Yoriichi trained at Zephyr’s home and repeatedly tried to make Rosinante practice swordsmanship.
  • On the third morning, Zephyr hurried Yoriichi onto the Dog-head Warship, warned him about Boin Archipelago, and told him to contact Zephyr regularly.
  • Garp ordered the ship to set sail while Zephyr watched it disappear, then told Kong he would accept punishment for disobeying orders.
  • Kong objected to Zephyr sending Yoriichi away, but Zephyr said the sea would make him a fine Marine and that Yoriichi’s own sense of justice was enough.
  • Garp gave Yoriichi an illustrated Devil Fruit guide, told him not to eat anything carelessly on Boin Archipelago, and urged him to meet Zephyr’s expectations.

Ch. 67A Paradise for Training, a Soaring Physique!

Tsugikuni Yoriichi arrived at the Boin Archipelago, where he discovered that the island was a living creature that swallowed animals. He found abundant food and began using its energy to strengthen his physique, leaving himself training on the island.

  • After half a month at sea, Garp and Tsugikuni Yoriichi reached the Boin Archipelago, and Garp warned the Marines to stay aboard when he sensed the island was alive.
  • The island’s petals closed around a huge mouth, and Garp’s warship was swept away while Yoriichi escaped into the air with Geppo.
  • Yoriichi recognized the archipelago as the place where Kuma sent Usopp and entered the forest to explore.
  • Yoriichi slashed through a creature disguised as dense forest, then used Observation Haki to search for food and a place to settle.
  • Yoriichi found a waterfall of ramen and ate several bowls, restoring his strength and discovering that the food could fuel his training.
  • Yoriichi used Life Return and repeated bursts of Geppo and Haki to consume and expend the food’s energy, growing his physique stronger.

Ch. 68Borsalino, the Trial Opponent!

After a month of intense training on the Boin Archipelago, Tsugikuni Yoriichi demonstrated his growing strength before a warship arrived carrying Vice Admiral Borsalino. Borsalino appeared behind Yoriichi, who instinctively attacked him with the back of his sword, and the two faced each other after Borsalino dodged.

  • Tsugikuni Yoriichi cut a giant bear in half and reflected on how much his strength had increased during a month of training.
  • Yoriichi returned to his cliffside shelter and spotted a G-18 warship approaching the island.
  • Yoriichi answered a Den Den Mushi call, but Vice Admiral Borsalino spoke through it and appeared behind him in a flash of light.
  • Yoriichi swiftly attacked Borsalino with the back of his Haki-coated sword, but Borsalino transformed into light and dodged.
  • Yoriichi greeted Borsalino and apologized, explaining that he instinctively reacted to someone standing behind him.

Ch. 69Supreme Realm, Realm of Selflessness!

Tsugikuni Yoriichi fought Borsalino, who had come on Zephyr’s assignment to assess Yoriichi’s strength. Yoriichi used the Realm of Selflessness to slip past Borsalino’s Observation Haki and struck him hard enough to send him crashing through trees.

  • Borsalino said Zephyr had sent him to meet Tsugikuni Yoriichi, then refused Yoriichi’s invitation to eat and prepared to fight.
  • Yoriichi and Borsalino exchanged attacks, with Borsalino blocking Yoriichi’s sword and Yoriichi deflecting Borsalino’s kick.
  • Borsalino lost track of Yoriichi’s presence when Yoriichi entered the Realm of Selflessness.
  • Yoriichi struck Borsalino in the abdomen with his sword hilt, sending him through more than a dozen trees.

Ch. 70Different Observation Killing Effects! Logia Users Are Nothing to Fear!

Tsugikuni Yoriichi defeated Vice Admiral Borsalino with the Realm of Selflessness, which hid his Haki from Observation Haki. Borsalino ended the assessment and left, promising to tell Zephyr about Yoriichi’s strength and arrange a more suitable opponent.

  • Yoriichi struck Borsalino while concealing his presence and Haki, leaving Borsalino shocked by what he recognized as Observation Killing.
  • Yoriichi helped Borsalino up and explained that he had learned to hide his presence and Haki, though he could not clearly explain how.
  • Borsalino declined Yoriichi’s invitation to continue fighting, saying a close-combat trial would be too dangerous and using his Devil Fruit would defeat the assessment’s purpose.
  • Borsalino promised to report Yoriichi’s strength to Zephyr and departed aboard his warship.
  • Yoriichi wondered who Zephyr would send next and guessed the opponent might be skilled in physical combat.

Ch. 71A New Opponent, Someone Unexpected!

Tsugikuni Yoriichi continued training on the Boin Archipelago and wondered how much stronger he had become. His next trial opponent, Vice Admiral Monkey D. Dragon, arrived in a warship that descended from the sky.

  • Tsugikuni Yoriichi adapted to his growth spurt and realized his swordsmanship had improved, though he lacked a sparring partner to measure his strength.
  • While Tsugikuni Yoriichi meditated, Monkey D. Dragon called and introduced himself as the trial opponent sent by Zephyr.
  • Dragon told Tsugikuni Yoriichi he had arrived at the Boin Archipelago and spotted him from above.
  • A waterspout caught Dragon's falling warship and lowered it into the sea beside Tsugikuni Yoriichi's residence.
  • Dragon greeted Tsugikuni Yoriichi from the warship, and Yoriichi concluded that Dragon was unmistakably Garp's son.

Ch. 72Dragon Claw and Blade Collide

Tsugikuni Yoriichi began his trial against Monkey D. Dragon, a Marine vice admiral, and showed him the strength of his swordsmanship. The chapter ended with Yoriichi realizing that Dragon had blocked his silent attack through his Devil Fruit ability, not Observation Haki.

  • Monkey D. Dragon introduced himself to Tsugikuni Yoriichi and explained that he would be his opponent for the trial.
  • Dragon recognized Dawn as a Supreme Grade Sword, and Yoriichi said the blade had been with him for as long as he could remember.
  • Yoriichi opened the fight with a Flying Slash, which Dragon caught with his Haki-covered claw.
  • Yoriichi vanished and attacked Dragon's neck, but Dragon blocked the strike with his claw.
  • Yoriichi realized Dragon had sensed the breeze from his attack with his Devil Fruit ability rather than Observation Haki.

Ch. 73Awakened Wind-Wind Fruit!

Tsugikuni Yoriichi tested his Observation Killing against Monkey D. Dragon, who revealed that his Wind-Wind Fruit let him sense air currents and trap Yoriichi in an awakened storm. Yoriichi broke through the tornado with a flaming sword strike, and Dragon met his attack with a haki-coated claw.

  • Tsugikuni Yoriichi pulled back after his clash with Dragon and asked how Dragon had detected his attack.
  • Dragon explained that his Observation Haki had not sensed Yoriichi; he had felt the air shift with his Wind-Wind Fruit.
  • Dragon used his awakened Logia powers to surround Yoriichi with a powerful tornado and challenged him to endure its attacks with Armament Haki.
  • Yoriichi's slashes failed to stop the wind wall, and the storm's debris, wind blades, and lightning began to threaten him.
  • Yoriichi used Sun Breathing—Twelfth Form—Flame Dance to break out of the tornado and charge Dragon with a flaming blade.
  • Dragon praised Yoriichi's strength and thrust his claw-shaped, lightning-wreathed hand toward the blade.

Ch. 74Ultimate Haki and Ultimate Devil Fruit Power!

Tsugikuni Yoriichi fought Dragon to test his strength, but Dragon’s Conqueror’s Coating and awakened Logia made him a formidable opponent. After Yoriichi’s Haki and stamina nearly ran out, Dragon stopped the battle, and Yoriichi asked how to obtain and train Conqueror’s Haki.

  • Tsugikuni Yoriichi and Dragon clashed, damaging the Baron of Stomach as their fight moved into the air.
  • Dragon blocked Yoriichi’s attacks with Conqueror’s Coating while using Armament Haki to counterattack and test him.
  • After more than ten minutes of fighting, Yoriichi’s Haki and stamina dwindled, so Dragon called a halt.
  • Dragon brought Yoriichi a first-aid kit and praised his strength, while Yoriichi realized Dragon had not fought at full speed.
  • Yoriichi recovered briefly, then asked Dragon how to obtain and train Conqueror’s Haki.

Ch. 75Conqueror's Haki Training!

Dragon told Tsugikuni Yoriichi that Conqueror's Haki could not be trained, then revealed Yoriichi had already awakened it. Dragon offered to draw it out with a method of his own and struck Yoriichi with a Conqueror's Haki-coated fist.

  • Tsugikuni Yoriichi asked Dragon how to train Conqueror's Haki, and Dragon said no one knew how to awaken or strengthen it.
  • Yoriichi resigned himself to relying on his other abilities until Dragon revealed that Yoriichi had already awakened Conqueror's Haki.
  • Dragon said he could try to draw out Yoriichi's dormant Haki, and Yoriichi agreed.
  • Yoriichi explained that simply releasing Conqueror's Haki probably would not help him sense it, since he had not grasped the feeling during earlier encounters.
  • Dragon gathered Conqueror's Haki around his fist and punched toward Yoriichi's lower abdomen, telling him not to die.
Arc 3 of 31