Chapter Summaries

Xia Chen woke up as a sixteen-year-old on Windmill Island in the world of One Piece and activated a check-in system that gave him a Mythical Zoan fruit based on Sun Wukong. After eating it and gaining the Indestructible Diamond Body, he headed inland to learn when he had arrived and find a boat.

• Xia Chen awoke on Windmill Island, realized he had become sixteen again, and learned that his check-in system had activated.
• Xia Chen checked in on the island and received the Human-Human Fruit, Model: Great Sage Equaling Heaven, with no side effects.
• Xia Chen ate the fruit, underwent a transformation, and gained the Indestructible Diamond Body.
• Xia Chen grilled and ate a fish, then checked his system panel and saw that his Haki remained unawakened.
• Xia Chen headed toward the island's center to find out where he was in the timeline and look for a boat.

Xia Chen met Luffy, demonstrated his surprising strength, and joined his crew as first mate. After they set sail in a tiny boat, a tornado forced them into barrels, which were found by Alvida’s pirates.

• Xia Chen encountered Luffy fighting a tiger and punched the animal away with overwhelming strength.
• Luffy invited Xia Chen to join his crew, and Xia Chen agreed on the condition that he become first mate.
• The next day, Luffy and Xia Chen set sail in a tiny boat and were caught in a storm with a tornado approaching.
• Xia Chen and Luffy climbed into separate floating barrels and pushed their boat away before sealing themselves inside.
• Alvida ordered her pirates to retrieve the two barrels spotted floating at sea.

Xia Chen and Luffy defeated Alvida and her crew, then took the ship’s food and treasure. After storing the loot in System Space, Xia Chen declared himself the Straw Hat Pirates’ “Face Devil Fruit User.”

• Alvida attacked Luffy after he emerged from a barrel, but Luffy dodged her blows and sent her flying with a punch.
• Xia Chen knocked out the pirate grunts who charged at him.
• Alvida attacked Koby after he called her the ugliest old hag on the sea, and Luffy took the club blow before defeating her with a Gum-Gum Pistol.
• Xia Chen ordered the pirates to bring food, then asked them to show him where the ship’s treasure was stored.
• Xia Chen collected five million Beli and other valuables into System Space and declared himself the Straw Hat Pirates’ “Face Devil Fruit User.”

Xia Chen and Luffy escaped the Marines and reached Shells Town, where Xia Chen gained ultimate mastery of the Six Powers. At Morgan's Marine Base, Luffy met the tied-up Zoro and went to retrieve his swords, while Xia Chen approached Zoro.

• Luffy, Xia Chen, and Koby escaped the Marine warships in a small boat, and Luffy said he wanted to recruit a strong Pirate Hunter.
• Xia Chen and Luffy reached Shells Town, where Xia Chen checked in and gained ultimate mastery of the Six Powers, including techniques such as Life Return and Rokuogan.
• Xia Chen told Luffy and Koby that he had stored the treasure from Alvida's ship in a space created with his ability, then the three headed to the Marine Base.
• Luffy jumped into the execution grounds and asked the tied-up Zoro to join his crew, promising to retrieve Zoro's swords from Morgan's son.
• Luffy ran toward the base to get the swords, while Xia Chen walked up to Zoro.

Xia Chen freed Zoro and took him to the rooftop, where Luffy destroyed Morgan’s statue and carried Helmeppo away. Xia Chen stayed behind to face Morgan, dodging his attacks with Kami-e until Morgan challenged him to fight head-on.

• Xia Chen cut Zoro’s ropes with air blades, gave him meat, and carried him through the air toward the rooftop.
• Luffy overshot the rooftop, smashed Morgan’s statue, and ran off with Helmeppo to find something.
• Xia Chen told Zoro to follow Luffy to find his swords, then stayed on the rooftop to face Morgan.
• Xia Chen dodged Morgan’s repeated axe attacks with Kami-e, while Morgan mistook his evasions for luck.
• Morgan challenged Xia Chen to stop dodging, and Xia Chen agreed; Morgan leapt at him and brought his axe down with a clang.

Xia Chen defeated Morgan with a single punch and celebrated Zoro joining Luffy’s crew. After spending the day eating and drinking with them, Xia Chen sneaked into the Marine Base to find its treasure and noticed a shadow inside the storage room.

• Xia Chen stopped Morgan’s axe with one finger, then knocked Morgan unconscious with a punch.
• Luffy and Zoro arrived and found Morgan defeated; Luffy had already persuaded Zoro to join the crew.
• Xia Chen, Luffy, and Zoro went into town for meat and booze, joking with one another along the way.
• That night, Xia Chen flew to the Marine Base and found Helmeppo sitting by the execution ground.
• Xia Chen made Helmeppo lead him to the treasure room, where he spotted a dark silhouette moving inside.

Xia Chen encountered Nami while she was gathering treasure at a Marine base and negotiated a promise from her in exchange for letting her keep it. Nami planned to use the treasure to save Cocoyasi Village, while Xia Chen left intending to meet her again.

• Nami ambushed Xia Chen, but he dodged her attack and appeared behind her.
• Nami claimed she had mistaken Xia Chen for a Marine, and he teased her before admitting he had come to take the treasure as financial aid.
• Xia Chen offered to let Nami keep the treasure if she agreed to one future condition, and Nami accepted.
• Xia Chen vanished, and Nami regretted agreeing so quickly before deciding to avoid him and save enough money to pay Arlong.
• Nami admired the treasure and imagined the haul she had secured.

Xia Chen, Luffy, and Zoro left the island after the Marines asked them to go, and Koby stayed behind to pursue his goal of becoming a Marine. As the trio drifted at sea without a destination, Xia Chen spotted a giant bird and carried Luffy and Zoro through the air to land on its back.

• Xia Chen scolded Luffy and Zoro for spending his money, then hit them when they dismissed his complaints.
• Marines told Luffy, Xia Chen, and Zoro to leave the island, and Luffy departed with his companions.
• Luffy shared the truth about Koby's time aboard Alvida's ship, prompting Koby to punch him so the Marines would believe they were not together.
• Koby thanked the departing pirates at the shore and vowed not to go easy on them when they met again.
• After a day at sea, Xia Chen spotted a giant bird and used Geppo to carry Luffy and Zoro onto its back.

Xia Chen, Luffy, and Zoro reached Orange Town, where Xia Chen gained beginner Armament and Observation Haki and demonstrated his abilities to the others. They encountered Nami being chased by three pirates, and Xia Chen rescued her, leaving her stunned by what he could do.

• Xia Chen threatened their exhausted bird mount into carrying them toward Orange Town, then flew the rest of the way with Luffy and Zoro when it could go no farther.
• After arriving in Orange Town, Xia Chen checked in and gained beginner Armament Haki and beginner Observation Haki.
• Xia Chen used Armament Haki to punch Luffy and make the Rubber Man feel pain, while Zoro noticed a dark gleam on Xia Chen's fist.
• Xia Chen, Luffy, and Zoro found Orange Town empty and saw three pirates chasing Nami.
• Nami ran toward Xia Chen and called him her boss, and Xia Chen used Flying Finger Pistol to knock down the three pirates pursuing her.
• Xia Chen teased Luffy and Zoro about how difficult his technique was to learn, then knocked them down when they challenged him, leaving Nami stunned.

Nami offered to join Xia Chen and Luffy's group as their navigator, but refused when she learned they were pirates. She eventually agreed to lead them to Buggy, and Xia Chen hurled the group into Buggy's building, where Luffy and Zoro landed on Buggy.

• Nami asked Xia Chen and Luffy to work together, and Xia Chen said they could consider it if she knew navigation.
• Nami said she hated pirates and refused to join Luffy's crew, then agreed to cooperate when Buggy's men appeared outside.
• Xia Chen led the group to Buggy's building and threw Luffy, Zoro, and Nami toward the upper floor instead of taking the stairs.
• Buggy prepared to punish his underlings for letting Nami escape, but Luffy and Zoro crashed down onto him.
• Luffy and Zoro mistook Buggy beneath them for a soft floor until he roared that it was his flesh.

Luffy and Zoro confronted Buggy while seeking his treasure, and Xia Chen intervened when Buggy attacked from behind. Xia Chen kicked Buggy through a wall, but Buggy got back up and prepared to continue the fight.

• Luffy and Zoro realized they had landed on Buggy, apologized, and then announced they intended to take his treasure.
• Buggy attacked Luffy from behind, but Xia Chen stopped his hand and revealed that he knew Buggy had once been an apprentice aboard the Pirate King's ship.
• Xia Chen introduced himself as the Straw Hat Pirates' vice-captain, mocked Luffy and Zoro, and kicked Buggy into a wall.
• Buggy's pirate lackeys cowered from Xia Chen, while Buggy recovered and declared that he would make sure the crew stayed there.

Luffy fought Buggy after Buggy mocked his Devil Fruit and targeted his treasured straw hat, while Zoro and Xia Chen faced Buggy’s arriving crewmates. Xia Chen vanished just before Richie’s paw struck him, then spoke from behind Mohji.

• Xia Chen held back and let Luffy challenge Buggy, who was knocked down by Luffy’s stretching punch.
• Buggy revealed his grudge against Shanks and attacked Luffy’s straw hat, but Zoro blocked the throwing knives with his sword.
• Mohji and Cabaji arrived to help Buggy, and the Straw Hat Pirates chose their opponents: Luffy faced Buggy, Zoro faced Cabaji, and Xia Chen faced Mohji and Richie.
• Xia Chen called Richie tasty, prompting Mohji to order the lion to strike him with a paw.
• Xia Chen vanished before the paw hit and spoke from behind Mohji as Mohji celebrated.

Xia Chen forced Mohji and Richie to entertain him while Luffy and Zoro fought Buggy’s crew. Zoro defeated Cabaji, and Luffy struck Buggy after Buggy damaged his straw hat and insulted Shanks.

• Mohji claimed that Richie had given birth to lion cubs through asexual reproduction to explain his laughter to Xia Chen.
• Xia Chen made Richie perform a crab dance beneath him while Mohji struggled to explain how to do it.
• Zoro defeated Cabaji with Oni Giri, leaving him badly wounded.
• Xia Chen called Zoro over to ride Richie, and Zoro joined him while Luffy continued fighting Buggy.
• Buggy pierced Luffy’s straw hat with a throwing knife and insulted Shanks, so Luffy punched Buggy and sent him flying.

Luffy defeated Buggy, and Xia Chen’s group left the island after Nami agreed to repair Luffy’s hat. They reached Syrup Village, where Xia Chen gained beginner Conqueror’s Haki and Usopp confronted them with a boast about his eighty million subordinates.

• Luffy sent Buggy flying with a Bazooka attack, and Xia Chen told him Nami could mend his straw hat.
• Nami returned with the treasure, learned Luffy had defeated Buggy, and agreed to fix his hat as the group prepared to leave with Buggy’s chart.
• Nami discovered Luffy had left treasure for the islanders and angrily dunked him in water for giving away her loot.
• The group reached Syrup Village after running out of meat, and Xia Chen checked in to obtain beginner Conqueror’s Haki.
• Usopp confronted the group from a hill, claimed to command eighty million subordinates, and threatened them unless they retreated.

Xia Chen pretended to be Pirate King Roger’s nephew and used the claim to frighten Usopp, who stood up to the crew to protect his village before losing his nerve. Luffy then told Usopp about his father, Yasopp, and the group bonded over their shared connection to him.

• Xia Chen claimed to be Roger’s nephew and boasted that several of his men had billion-berry bounties, leaving Usopp terrified.
• Luffy believed Xia Chen’s claim, while Zoro called it a bluff; Xia Chen defended his story by arguing that he counted as Roger’s nephew through Luffy and Ace.
• Usopp, despite his fear, aimed his slingshot at Xia Chen and the others and warned them to leave rather than harm his village.
• Luffy told Usopp that he knew Yasopp and had heard him talk about his son, prompting Usopp to ask about his father.
• At a tavern in Syrup Village, Luffy told Usopp that Yasopp was serving on Red-Haired Shanks’s ship, and Usopp and the others quickly became friendly.

Usopp left to visit Kaya, and Xia Chen and the others followed him to the estate, where they found Usopp confronting Klahadore. After Klahadore told them to leave, Xia Chen knocked him unconscious with Conqueror's Haki, and the group departed as the estate grew noisy.

• Usopp hurried out of the village to tell Kaya stories, and three children told Luffy and the others where he had gone.
• Luffy tried to climb over the estate wall, but Zoro, Nami, and the children pulled him down, sending all six of them flying over it.
• Xia Chen entered the estate and found Usopp punching Klahadore, who was insulting Yasopp, before Kaya stopped Usopp from striking him again.
• Klahadore told Luffy and the others to leave, so Xia Chen used Conqueror's Haki to knock him unconscious.
• Kaya called for help, and Xia Chen told Luffy and the others to leave after they had seen enough.

Xia Chen left Luffy and the others to rob Kuro’s former pirate ship because he was running low on Beli. After defeating the pirates who challenged him, he forced one to lead him to the treasure.

• Xia Chen denied knocking out the butler, then vanished after telling Luffy, Zoro, Nami, and the children that he had something to do.
• Xia Chen reached Kuro’s former pirate ship and announced that he had come to take its treasure because he was short on cash.
• Xia Chen sent a pirate flying into the sea with one blow and ordered another to guide him to the treasure.
• Sham and Buchi confronted Xia Chen, but he knocked them off the ship before they could finish speaking.
• The frightened pirate agreed to lead Xia Chen to the treasure.

Xia Chen found a high-quality iron staff among the Black Cat Pirates’ treasure, then joined Zoro and Nami after Usopp warned that pirates were coming. The group found Luffy stuck upside down in a cliff and Xia Chen’s attempt to wake him left everyone stunned.

• Xia Chen collected the Black Cat Pirates’ treasure and discovered a heavy iron staff comparable in quality to a Great Grade Sword, then stored it in System Space.
• Xia Chen rejoined Zoro and Nami, and Usopp ran past them shouting that pirates were coming.
• Xia Chen persuaded Zoro and the three little ones to investigate where Usopp had come from, and they found no pirates at the shore.
• Nami spotted Luffy stuck upside down in the cliff, and Xia Chen pulled him free while he remained asleep.
• Xia Chen flung Luffy into the cliff to wake him, prompting the others to recoil and Luffy to shout that he would cut Xia Chen to death.

Xia Chen, Luffy, Nami, and Zoro joined Usopp to protect Syrup Village from the pirates expected to attack the next day. When the pirates failed to appear at the village, Usopp realized they had probably landed on the north side, where Xia Chen had gone alone, and Luffy raced to help him.

• Nami worked out that the strange man’s ring had hypnotized Luffy, and the group headed back to the village after hearing the butler and the hypnotist planned to kill everyone.
• Usopp pretended his pirate warning had been a lie, but his determination to protect the village strengthened after Onion Head, Carrot Head, and the third child criticized him.
• At a seaside bonfire, Xia Chen agreed to go north while Luffy, Nami, and Zoro stayed with Usopp to protect the village.
• The next morning, Usopp prepared oil and, seeing no pirates at the village, realized they had likely landed in the north; Luffy ran off to help Xia Chen while Nami held Zoro back.

Jango led the Black Cat Pirates toward the village, but Xia Chen’s presence made them flee in terror. Usopp tried to face Jango, then hid behind Xia Chen when Jango hypnotized the pirates into attacking, and Xia Chen paused before unleashing his Conqueror’s Haki.

• Jango ordered the pirates to attack the village and make up for their lost treasure, but they spotted Xia Chen and ran back down the slope.
• Jango berated the cowering pirates, recognized Xia Chen as the one who had taken their treasure, and sent the Nyaban Brothers to attack him.
• Usopp and Nami arrived, and Xia Chen asked Usopp to handle Jango while he dealt with the Nyaban Brothers.
• Usopp charged toward Jango, but Jango hypnotized the pirates into attacking the village, so Usopp fled back to hide behind Xia Chen.
• Xia Chen prepared to use his Conqueror’s Haki, then stopped and watched the charging pirates with a smile.