Chapter Summaries

Mobius and Sentomaru trained under Borsalino on Punk Hazard while Vegapunk worried about Mobius’s unusual condition. Vegapunk finally revealed that Mobius’s talent was infinite: his body could eat an unlimited number of Devil Fruits.

• Mobius joked with Sentomaru about taking Borsalino’s position before Borsalino arrived and caught him talking.
• Mobius and Sentomaru fought Borsalino together in training and managed to last six minutes before collapsing.
• Vegapunk explained how Sentomaru and Mobius had joined the Naval Science Unit, then asked Mobius to visit his laboratory.
• Vegapunk told Mobius that his name reflected his talent for infinity and showed him records indicating he could eat unlimited Devil Fruits.

Vegapunk revealed that Mobius could absorb unlimited Devil Fruit Lineage Factors and showed how his blood could combine ordinary Fruits into a Chimera. He urged Mobius to leave before the World Government discovered his potential and gave him an Artificial Azure Dragon Fruit for the voyage ahead.

• Vegapunk explained that Mobius's blood could merge with any number of Devil Fruit Lineage Factors without conflict.
• Vegapunk demonstrated the Chimera, a lion, goat, and snake fused from three Devil Fruits using Mobius's blood, then showed that another set of three Fruits formed no combined creature.
• Vegapunk warned Mobius that the World Government might turn him into permanent research material and proposed that he set sail to search for Pure Gold.
• Mobius welcomed the chance to voyage across the seas, and Vegapunk gave him an Artificial Azure Dragon Fruit that replicated Kaido's power despite its unusual color.
• Mobius thanked Vegapunk and promised to help him in the future, while Vegapunk kept his concerns to himself.

Mobius departed the Bank Forbidden Zone with Borsalino to search for Pure Gold, after Caesar tried to force him to eat an Axolotl Fruit. On the voyage, Mobius discussed the Devil Fruit powers he wanted and kept his true goal of obtaining the Dark-Dark Fruit to himself.

• Vegapunk received orders from the Five Elders to search for Pure Gold, and Mobius prepared to leave with Borsalino.
• Mobius said goodbye to Sentomaru and Vegapunk, then Caesar arrived and tried to give him a Devil Fruit.
• Borsalino stopped Caesar from forcing the Axolotl Fruit into Mobius's mouth and took the fruit for himself.
• Mobius and Borsalino departed aboard a Marine warship, leaving Vegapunk and Sentomaru waving at the harbor.
• Borsalino gave Mobius the Axolotl Fruit and offered to seek out another Devil Fruit, while Mobius said he wanted a Logia, a speed power, or a healing power.

Borsalino captured the Heavy Cannon Pirates and learned that three other supernova crews had entered the New World, while Mobius recognized their captains as future Blackbeard Pirates. After parting from Borsalino at Thunder God Island, Mobius ate the Artificial Azure Dragon Fruit and began testing his new powers in the island’s storm clouds.

• Borsalino used his Glint-Glint Fruit powers to defeat the Heavy Cannon Pirates, and the Navy arrested all twenty-three crew members.
• Navy soldiers reported that Avalo Pizarro, Catarina Devon, and Vasco Shot had also been classified as members of the Villainous Generation, but their crews’ locations were unknown.
• Mobius recognized the three captains as future Blackbeard Pirates and decided he would try to kill them if they crossed his path.
• After completing his mission, Borsalino dropped Mobius off at Thunder God Island, where Mobius bought supplies and headed into the lightning-struck wilderness.
• Mobius ate the Artificial Azure Dragon Fruit, transformed into a massive dragon, and swallowed thunderclouds as he tested his new powers.

Mobius finished absorbing Thunder God Island’s lightning, planned to hunt Devil Fruits, and ate the Axolotl Fruit for its regenerative abilities. As he rested on the island, Captain Pizarro’s pirate ship arrived carrying a mysterious black Devil Fruit.

• A girl on Thunder God Island mistook Mobius’s dragon form in the thunderclouds for a monster, and rumors of a crimson dragon began to spread.
• After spending a week absorbing lightning, Mobius descended, noticed the island’s weakened storms were recovering, and decided to stay until they returned to normal.
• Mobius planned to seek out known Devil Fruits before considering infiltrating the Whitebeard Pirates, then ate the Axolotl Fruit to gain powerful regeneration.
• Captain Pizarro’s pirate crew approached Thunder God Island with a valuable black fruit and celebrated their plan to sell it.

Avalo Pizarro exploited Thunder God Island’s thinning thunderclouds to attack and seize the island, but Mobius struck back and wiped out Pizarro’s crew. Pizarro escaped by merging with the island and headed toward a wilderness area, and Mobius pursued him.

• Avalo Pizarro disguised himself as a merchant, learned Thunder God Island had little protection, and announced that he would loot and rule it.
• Avalo Pizarro drew lightning into his metal gloves, gained control of it, and blasted a house as the island’s residents fled.
• Mobius rushed from the inn and punched Avalo Pizarro into a crater, then killed Pizarro’s lackeys with Thunder Roar.
• Mobius discovered Avalo Pizarro was merging with the island and burned the crater with Heat Breath, injuring him.
• Avalo Pizarro fully fused with Thunder God Island and headed for an uninhabited wilderness to use its lightning against Mobius, who pursued him.

Mobius pursued Pizarro to a lightning-rich wilderness, where Pizarro assimilated Thunder God Island and attacked with a towering body armored in lightning. Mobius transformed into a crimson dragon and overwhelmed him, but Pizarro’s Haki-coated counterattack made Mobius feel a sting in his claw.

• Mobius followed Pizarro to the island’s most violent lightning, where Pizarro stopped fleeing and assimilated the surrounding earth and lightning.
• Pizarro grew into a massive lightning-armored giant and threw a powerful punch at Mobius.
• Mobius transformed into a crimson dragon, shattered Pizarro’s armor and body, absorbed his lightning, and tore through the giant.
• Pizarro canceled his assimilation, but Mobius blasted the remains with electricity and struck him as he tried to escape.
• Mobius pursued the bloodied Pizarro, but his claw felt a faint prick when Pizarro struck back with a Haki-coated punch.

Mobius defeated Pizarro on Thunder God Island and discovered the Dark-Dark Fruit among the defeated pirate’s belongings. He ate the fruit, tested its powers, and returned to the villagers with Pizarro’s body, announcing his victory.

• Pizarro struck Mobius’s dragon claw with Haki, but Mobius overwhelmed him, revealed his name, and burned him with Heat Breath.
• Mobius discovered that the charred Pizarro was still alive and noticed the Dark-Dark Fruit on the ground beside him.
• Mobius ate the Dark-Dark Fruit and tested its power to attract and store objects, crushing a stone with its darkness.
• Mobius used Pizarro to test the fruit’s power of plunder.
• Mobius returned to Thunder God Island’s commercial street dragging Pizarro’s body, told the villagers he had won, and they cheered.

After compensating Thunder God Island for the damage his training had caused, Mobius experimented with the Dark-Dark Fruit and absorbed six Zoan powers from Vegapunk’s blades. He discovered that his fruits could fuse into new forms, creating Suanni and then Taotie, and left ready to keep exploring their abilities.

• Mobius gave the village chief Pizarro’s corpse, the captured pirates, and their spoils as compensation for the island’s trouble, admitting that his lightning training had thinned its thunderclouds.
• After sleeping, Mobius returned to the wilderness and used the Dark-Dark Fruit to extract and absorb six Zoan powers from two of Vegapunk’s experimental blades.
• Mobius tested the Lion, Goat, Snake, Dachshund, Alpaca, and Elephant forms, then fused the Lion, Goat, and Snake powers into a multi-headed Chimera.
• Mobius discovered that the Red Dragon Fruit could fuse with Zoans and transformed into Suanni, gaining smoke-and-fire breath, stone abilities, and exceptional speed on land.
• Mobius fused the Red Dragon and Goat powers to transform into Taotie, whose hunger tormented his body.

Mobius tested his fused Flood Dragon Form, repaired Thunder God Island’s dark clouds, and enjoyed the islanders’ hospitality. The village chief then brought him news that the World Government had been attacked at Holy Land Mary Geoise.

• Mobius sealed away Taotie Form because its constant hunger made it unpleasant to use.
• Mobius tested Flood Dragon Form and discovered that it could create mist and control seawater, though it lacked most of his dragon form’s powers.
• Mobius reviewed his Devil Fruit abilities and decided to restore Thunder God Island’s dark clouds so he would keep his promise.
• Mobius replenished the lightning in the clouds, and the islanders welcomed him with food and refused to let him pay.
• The village chief showed Mobius a newspaper reporting the Holy Land Mary Geoise Attack Incident, and Mobius wondered who had attacked the World Government.

After reading about Fisher Tiger's attack on Mary Geoise, Mobius refused to stay on Thunder God Island but offered the village chief his future protection in exchange for making the island his territory. He named the force he might establish Cross Guild and prepared to leave behind its flag.

• Mobius learned from the newspaper that Fisher Tiger had escaped slavery, attacked Mary Geoise, freed many slaves, and received a 230 million Beli bounty.
• The village chief invited Mobius to his home and asked him to stay on Thunder God Island for protection.
• Mobius refused to remain on the island, explaining that he wanted to pursue his own ambitions at sea.
• Mobius offered to leave a flag and claim Thunder God Island as his territory once he made a name for himself.
• The village chief accepted Mobius's proposal, and Mobius said his future force would be called Cross Guild.

After Fisher Tiger attacked Mary Geoise and freed thousands of slaves, news of his actions reached the New World’s powerful pirates, who each made plans to meet or capture him. The chapter ends with Mobius seeking passage to Fish-Man Island to see the mermaids.

• Whitebeard identified Fisher Tiger from his new 230 million Beli bounty poster, and Namur asked to return to Fish-Man Island to help him.
• Whitebeard ordered the Moby Dick to set sail for Fish-Man Island to meet Fisher Tiger.
• Kaido decided to meet Fisher Tiger and consider him for the Beasts Pirates’ fourth All-Star, leaving King and Queen in charge before flying off as a dragon.
• Charlotte Linlin ordered Perospero to send Katakuri and the others to capture Fisher Tiger, hoping to bring Fish-Man Island under her control.
• Mobius asked a ship bound for Fish-Man Island for a ride, saying he wanted to see the mermaids.

Mobius arrived at Fish-Man Island and visited the Mermaid Cafe to meet the young fortune-teller Shyarly, hoping to recruit her for her visions of major events. He left the meeting poised to learn more about her, surprised to find that she was still immature and nervous.

• Mobius descended to Fish-Man Island aboard a merchant ship and entered through its official passage.
• The captain gave Mobius a map and recommended the Mermaid Cafe, while Mobius arranged a fish taxi ride to Coral Hill.
• Mobius chatted with the merman driver about raising sea creatures and learned where he could find young ones to buy.
• Mobius reached the Mermaid Cafe, recognized Shyarly among the mermaids, and requested a meeting with the famous fortune-teller.
• Shyarly greeted Mobius, who considered recruiting her for her accurate predictions and realized he had found her before she had matured.

Mobius befriended Shyarly at the Mermaid Cafe after reassuring her that her shark teeth were nothing to hide, then asked her to tell his fortune. When Shyarly could not see his future and explained that fortune-tellers could not foresee the futures of people connected to them, Mobius realized she might consider him family.

• Mobius shared seaweed cake with Shyarly and learned she hid her shark teeth because she feared they looked frightening.
• Mobius reassured Shyarly that her fangs were a normal part of her appearance, and they introduced themselves as friends.
• Mobius discovered Shyarly was changing her teeth and stopped her from eating the remaining sweets out of respect for the manager's rules.
• Mobius asked Shyarly to use her crystal ball to predict his future, but she could not see anything.
• Shyarly explained that fortune-tellers could not foresee the futures of family members or spouses and lovers, and Mobius wondered if she had taken him for Alec.

Mobius asked Shyarly to divine the future of Fish-Man Island and Fisher Tiger, and she foresaw Tiger dying after a pirate invasion and other coming events. Shyarly asked Mobius to help, and he agreed to accompany her to Ryugu Palace and protect Fish-Man Island and Tiger.

• Mobius asked Shyarly to try divining Fish-Man Island's future and Fisher Tiger's fate, and she foresaw Tiger lying mortally wounded.
• Shyarly told the Mermaid Cafe's workers about the future she had seen, including a pirate invasion, Fish-Man Island receiving a flag, and Tiger dying overseas.
• Mobius showed the mermaids Tiger's wanted poster and newspapers, and Shyarly concluded that the World Government would cause his death.
• Shyarly decided to report the danger to Lord Neptune and asked Mobius to go with her and help save Tiger.
• Mobius agreed to help Fish-Man Island and Tiger, then clarified that he wanted Shyarly's divination ability rather than her companionship.

Mobius accompanied Shyarly to Ryugu Palace, where he met Jinbe, King Neptune, and Queen Otohime. Shyarly then revealed that she had seen a terrible future for Fish-Man Island.

• Shyarly brought Mobius to Ryugu Palace to report urgent news to Neptune.
• Jinbe scrutinized Mobius, then agreed to escort him and Shyarly inside.
• Neptune welcomed Shyarly and Mobius at the palace, where Otohime eagerly greeted the human visitor.
• Shyarly told Neptune, Otohime, and Jinbe that she had seen a terrible future for Fish-Man Island.

After Shyarly foresaw Fisher Tiger’s death following his attack on Mary Geoise, Jinbe and Neptune struggled to find a way to protect him. Mobius proposed a long-term partnership between Fish-Man Island and Whitebeard, leaving Neptune and Otohime eager to put the plan into action.

• Shyarly showed Neptune and Jinbe the wanted poster for Fisher Tiger and revealed that she had seen him die in a pool of blood.
• Jinbe flew into a rage, and Neptune offered to protect Tiger if he returned to Fish-Man Island, but Shyarly said she had not seen him come back.
• Mobius urged Neptune to seek Whitebeard’s protection for Tiger and build stronger ties with Whitebeard through mutual support.
• Mobius proposed that fish-men transport goods through Whitebeard’s territory, creating jobs and profits while giving Fish-Man Island and Tiger protection.
• Neptune and Otohime embraced Mobius’s proposal and welcomed him as an honored guest, though he reminded them that they still needed to work out the details.

After earning Neptune’s trust at the banquet, Mobius became the Ryugu Kingdom’s national preceptor and secured support for his maritime trade plans. The next morning, he recovered from the drinking and went to find Jinbe for their promised sparring match.

• Neptune introduced Mobius to Shark Star, Ryuboshi, Manboshi, and Shirahoshi, then offered to help him in return for his aid to Fish-Man Island.
• Mobius asked to manage maritime trade after Neptune’s cooperation with Whitebeard was established, and Neptune appointed him national preceptor.
• Mobius revealed that he belonged to the Navy’s Naval Science Unit and was on an unofficial assignment, and Neptune agreed to help him.
• Mobius outdrank Neptune and Jinbe, who both collapsed at the banquet.
• The next morning, Mobius received help from the mermaid maids, learned Neptune and Shyarly were still asleep, and went to the practice grounds to find Jinbe.

Mobius visited Jinbe at the training grounds and challenged him to a spar, overpowering him with brute strength before Jinbe used Fish-Man Jujutsu to throw him. As Jinbe prepared to get serious, Mobius transformed into his Flood Dragon form and copied Jinbe’s Fish-Man Karate.

• Mobius found Jinbe training with Hatchan, who praised Jinbe’s mastery of Fish-Man Karate and Jujutsu.
• Mobius and Jinbe agreed to spar while Hatchan brought the three princes to watch.
• Jinbe’s Arabesque Brick Fist could not overcome Mobius’s Haki-coated counterpunch, which sent Jinbe flying.
• Jinbe blocked Mobius’s punch with Plum Blossom Hide, then used Tide-Draw One-Armed Shoulder Throw to slam Mobius into the ground.
• Mobius got up unharmed, praised Jinbe’s techniques, and said the test was over as Jinbe prepared to get serious.
• Mobius transformed into his Flood Dragon form, took Jinbe’s stance, and performed Arabesque Brick Fist himself.

Mobius used his Flood Dragon Form to learn Fish-Man Karate and Fish-Man Jujutsu while defeating Jinbe in a sparring match. After the exhausted Jinbe asked about Mobius's abilities, Neptune arrived and interrupted their conversation.

• Mobius used moisture-manipulating Fish-Man Karate to break through Jinbe's defense and wound him.
• Jinbe attacked with the secret art Buraikan, but Mobius countered with Flood Dragon: Dragon-Raising Plaque and defeated him.
• Neptune woke from the clash, learned that Jinbe and Mobius were sparring, and went to the training ground.
• Mobius reflected on how Fish-Man Karate and Fish-Man Jujutsu used water and thanked Jinbe for teaching him through their fight.
• Jinbe asked what kind of ability user Mobius was, but Neptune arrived and interrupted them.