Recaps

Natsu coached Sasuke in swordplay and warned him against reckless attacks as he trained to face Itachi. When Whitebeard arrived unexpectedly, Natsu considered the arrangements between the Uchiha and the Whitebeard Pirates and suspected the old man had come with a private matter.

• Natsu watched the trainees' progress while one of them remained unable to make Susanoo absorb Natural Energy.
• Natsu sparred with Sasuke, dodged his Fire Release: Dragon Flame Song, and criticized him for leaving himself exposed.
• Sasuke vowed he would not make such a mistake when facing Itachi.
• A Night Owl Guard told Natsu that Edward Newgate had arrived in person.
• Natsu recalled the Whitebeard Pirates' island, their service under the Uchiha, and the arrangements for Little Oars Jr. and Newgate's research and treatment.
• Natsu ended Sasuke's training and hurried to meet Newgate, suspecting he had come to discuss something privately.

Newgate asked Natsu to help protect Fish-Man Island from pirates capturing its inhabitants, and Natsu agreed to go there with Izumi. The chapter ended with Natsu telling a Night Owl Guard to report Newgate’s drinking to Marco.

• Newgate visited Natsu and eagerly drank the wine Natsu offered, teasing him for not drinking despite being fifteen.
• Newgate explained that pirates had begun capturing fish-men and merfolk after the Whitebeard Pirates withdrew from the New World.
• Newgate asked Natsu to go to Fish-Man Island because Marco could not deter the pirates, and Natsu agreed.
• Natsu decided to take Izumi along for a trip and a change of scenery.
• Natsu ordered a Night Owl Guard to tell Marco that Newgate was secretly drinking at Origin Island.

Marco caught Newgate drinking with Natsu and scolded him, while Natsu confirmed he would help with the troubles on Fish-Man Island. Natsu invited Izumi to join him on the trip the next morning, encouraging her to rest from her strenuous training.

• Marco arrived on Origin Island, took Newgate's sake away, and lectured him about neglecting his health.
• Natsu confirmed to Marco that he had agreed to help with the situation on Fish-Man Island.
• Natsu visited Izumi in the underground training room and saw her struggling to make her Susanoo draw in Natural Energy.
• Natsu told Izumi to stop training for the day and invited her to travel with him to Fish-Man Island the next morning.
• Izumi decided to take the next day off, followed Natsu, and switched off the training room lamp.

Natsu traveled with Izumi to the Sabaody Archipelago, where they casually shopped while the World Government scrambled to respond to his arrival. The chapter left Sengoku alarmed by Natsu’s unexpected presence near Mary Geoise, with no conflict yet reported.

• Natsu used the Flying Thunder God technique to take Izumi from Origin Island to the Sabaody Archipelago, and they browsed the shopping district together.
• A CP intelligence officer recognized Natsu on a surveillance image and reported his presence on Grove Three.
• CP0 ordered Saint Charlos’s ship to leave Sabaody immediately and told agents to evacuate Celestial Dragons and related assets from the island.
• Natsu ignored the withdrawing CP agents and shared grilled coconut candy with Izumi as they enjoyed the afternoon.
• Sengoku received the urgent report at New Marineford and realized Natsu had appeared near Mary Geoise after months of seclusion.

Sengoku and the Five Elders prepared for Uchiha Natsu’s arrival in Sabaody, wary of provoking the boy after his devastating power at the Summit War. The Five Elders ordered Saint Figarland Garling to send God's Knights to watch him, and Garling angrily challenged them over the risk of losing another subordinate.

• Tsuru told Sengoku she had alerted Borsalino, Sakazuki, and Kuzan, and advised avoiding any provocation while hoping Uchiha Natsu left Sabaody on his own.
• Sengoku ordered Cipher Pol teams to keep their distance and directed Kizaru to wait outside the archipelago, engaging only to protect civilian evacuations if attacked first.
• The Five Elders reviewed reports that Cipher Pol and the Marines could not effectively deter Uchiha Natsu, then agreed to send God's Knights to observe him secretly.
• Saint Figarland Garling erupted in anger over the order, recalling that Gunko had died the last time the Five Elders borrowed one of his subordinates.
• The long-bearded Elder argued that God's Knights were the only force capable of approaching Uchiha Natsu and returning intelligence, and insisted the mission was necessary.

Natsu and Izumi enjoyed a four-day vacation on Sabaody while Cipher Pol and the God's Knights watched from a distance under orders not to engage. They departed by submarine for Fish-Man Island, where Neptune awaited them with a formal welcome.

• Saint Green agreed to send God's Knights to surveil Natsu, warning them to withdraw if he showed signs of acting up and refusing future Uchiha missions if they lost anyone.
• Natsu and Izumi spent several peaceful days sightseeing and shopping on Sabaody while Cipher Pol kept its distance and the God's Knights secretly monitored them.
• Natsu promised Izumi he would set aside a day each week to spend with her when they returned home.
• Natsu gave Izumi the deep-blue and dark-gold ribbons he had secretly bought, and she told him she liked them as their submarine descended toward Fish-Man Island.
• Neptune prepared a formal reception at Fish-Man Island's harbor and waited for Natsu and Izumi to arrive.

Uchiha Natsu and Izumi arrived at Fish-Man Island, where Neptune and the people of Ryugu Palace welcomed them with deep gratitude for the protection that had kept the island safe. During a banquet, Natsu credited Whitebeard, the protection treaty, and the guards for the peace, while Izumi teased him for repeatedly cutting off Neptune’s thanks.

• Natsu and Izumi emerged from a submarine at Fish-Man Island and were greeted by Neptune, the three princes, and hundreds of guards.
• Neptune and the guards bowed to Natsu, thanking the Uchiha Clan for protecting Fish-Man Island during the past six months.
• Natsu told Neptune not to be formal and said he had come at Whitebeard’s request to visit the island.
• Neptune led Natsu and Izumi to a banquet at Ryugu Palace, where he toasted Natsu for bringing peace to the surrounding waters.
• Natsu credited Whitebeard and the work of the guards for the island’s security, while Izumi joked that his modest replies were leaving Neptune unable to finish his speeches.

At Neptune’s banquet, Natsu praised the king’s work and learned that Queen Otohime’s youngest son had brought Izumi a gift. When Natsu sensed pirates capturing civilians near Port Two, he went alone to stop them, leaving the chapter with a mermaid mother and her infant in danger.

• Natsu praised Neptune’s management of Fish-Man Island, and Neptune thanked him on behalf of his people.
• The youngest prince gave Izumi Queen Otohime’s deep-sea pearl powder, and Izumi comforted him by saying his mother must have loved him.
• Natsu sensed pirates capturing fish-men near the warehouse district at Port Two and told Neptune he would investigate alone.
• Natsu left the banquet hall despite Neptune and the royal guard preparing to respond, while Izumi calmly wished him a quick return.
• Pirates attacked civilians and used Seastone-embedded ropes to capture a fish-man, then grabbed his mermaid wife and sent their infant tumbling onto the pavement.

Natsu confronted pirates abducting Fish-Men and mermaids on Fish-Man Island, which had been under the Uchiha Gunbai flag for a year. After killing their scar-faced leader, he revealed his identity and sent the pirates fleeing.

• Pirates captured mermaids and surrounded young Fish-Man fishermen, planning to gather a hundred slaves before dawn.
• The scar-faced pirate mocked Natsu when he appeared and threatened to sell him to Mary Geoise.
• Natsu used his power to force the scar-faced pirate to stab himself in the throat.
• The pirates recognized Natsu as Uchiha, the Godslayer with a fifteen-billion-Beli bounty, and fled in panic.

Natsu slaughtered nearly a hundred pirates in the Number Two Port warehouse district with Wood Release, leaving their bodies trapped in a spreading thorn forest. Fukaboshi and the Ryugu Palace Guard Corps arrived afterward and began clearing the scene cautiously.

• Natsu used Wood Release: Cutting Technique to impale and drain nearly a hundred fleeing pirates, turning the warehouse district into a thorn forest.
• Natsu left the scene after deciding the island needed to learn who ruled the deep seas.
• Fukaboshi led the Ryugu Palace Guard Corps to the warehouse district and found the pirate corpses suspended among wooden spikes.
• Fukaboshi ordered the guards to count and remove the bodies while handling the wooden spikes carefully.

After rescuing Fish-Man Island civilians, Natsu ordered his Wood Clones to hunt unregistered pirates and imposed registration rules on vessels entering or leaving the island. He returned to the banquet, then toured Ryugu Palace with Izumi and Neptune, ending beside Izumi at the palace’s highest observation deck.

• The surviving civilians thanked Natsu for saving them from the pirates.
• Natsu created dozens of Wood Clones and ordered them to kill every unregistered pirate who entered Fish-Man Island over the next month.
• Natsu told the Night Owl Guards to have Fukaboshi and the others clear the harbor warehouse bodies and require all vessels to register with Ryugu Palace.
• Natsu returned to the banquet and shared food with Izumi while Neptune resumed speaking with the three princes.
• After the banquet, Neptune showed Natsu and Izumi Mermaid Bay’s Coral Corridor and Ryugu Palace’s plaza, where Izumi bowed to the Sea God statue and persuaded Natsu to bow too.
• Neptune led them to the highest observation deck, where Izumi took Natsu’s hand as they stood together overlooking Fish-Man Island.

Natsu and Izumi learned that Vander Decken IX had been targeting Shirahoshi with weapons guided by the Mark-Mark Fruit, so Natsu sent a Wood Clone to find him and promised to stop the attacks. They went with Neptune to visit Shirahoshi in the scarred Hard-Shell Tower, where they found her huddled behind curtains.

• A sword flew toward Ryugu Palace, and Natsu identified Shirahoshi as its target.
• Neptune explained that Vander Decken IX had marked Shirahoshi and had been attacking the Hard-Shell Tower for years.
• Natsu left a Flying Thunder God Kunai with Neptune and sent a Wood Clone to trace the sword's path and locate Vander Decken IX.
• Natsu told Izumi he would deal with Vander Decken IX himself, then took her to meet Shirahoshi.
• Neptune led Natsu and Izumi into the Hard-Shell Tower, where Shirahoshi was huddled on her bed behind gauzy curtains.

Natsu used Sealing Jutsu to remove Vander Decken IX’s Mark-Mark Fruit tracking mark from Shirahoshi, freeing her from Hard-Shell Tower. With the sealed mark as a clue, he prepared to pursue Vander Decken IX, who discovered that his connection to Shirahoshi had vanished.

• Izumi reassured Shirahoshi that Natsu had dealt with the pirates and that they might be able to remove the mark troubling her.
• Natsu identified the Mark-Mark Fruit’s tracking mark inside Shirahoshi and promised to free her from it.
• Natsu used Sealing Jutsu to detach the mark from Shirahoshi’s life force and seal it inside a talisman.
• Shirahoshi felt the mark’s restraint disappear, and Neptune embraced her as Natsu said it was time to deal with the remaining threat.
• At his shipwreck lair, Vander Decken IX discovered that he could no longer sense the mark on Shirahoshi.

Natsu tracked Vander Decken IX to the Shipwreck Graveyard after removing his Mark-Mark Devil Fruit mark, then confronted him aboard his wreck. The chapter ended as Natsu summoned Susanoo, overwhelming Vander Decken IX’s lackeys with its power.

• Vander Decken IX flew into a rage when he discovered that his mark on Shirahoshi had disappeared.
• Natsu used the sealed mark’s lingering energy to locate Vander Decken IX at the Shipwreck Graveyard, about forty nautical miles from Fish-Man Island.
• Natsu left Izumi with Shirahoshi and used the Flying Thunder God Technique to reach the wreck.
• Natsu confronted Vander Decken IX and revealed that he had removed the mark.
• Natsu dismissed Vander Decken IX as an ant and summoned a dark golden Susanoo, terrifying the pirates on the deck.

Natsu killed Vander Decken IX, freeing Shirahoshi from the mark that had kept her confined to the Hard-Shell Tower. After spending several days on Fish-Man Island with Izumi, he planned a permanent Heavenly Star Guard outpost, while a Wood Clone slaughtered a pirate crew attempting to take slaves.

• Natsu shattered the seal tied to Vander Decken IX and killed him with Susanoo's slash, then left the surviving lackeys to his Wood Clones.
• Natsu returned to Shirahoshi and told her the mark had been removed and she could leave the Hard-Shell Tower.
• Izumi led Shirahoshi outside, where Neptune and her three brothers welcomed her as she saw the world beyond the tower for the first time in years.
• Natsu and Izumi explored Fish-Man Island together, and Natsu said he would discuss establishing a permanent Heavenly Star Guard outpost with Neptune.
• A pirate crew that had come to Fish-Man Island to capture slaves was slaughtered by Natsu's Wood Clone at a cargo port.

A Wood Clone slaughtered the Blood Sail Pirates and ordered Fish-Man Island’s guards to display the corpses as a warning to other pirates. The chapter ended with the pirates’ captain badly wounded and realizing his crew had been destroyed without a fight.

• The Wood Clone killed the Blood Sail Pirates, leaving their captain’s corpse atop the bodies of his crew.
• The Wood Clone ordered terrified fish-man fishermen to tell Ryugu Palace’s guards to clear the harbor and display the corpses outside it.
• The fishermen hurried toward Ryugu Palace, while other Wood Clones continued killing pirates in uncleared parts of Fish-Man Island.
• The Blood Sail Pirates’ captain recalled how his crew had come to replenish water and capture mermaid slaves before the youth appeared and crushed them.
• The captain watched the youth pull a bloodied tachi from his vice-captain’s corpse.

Uchiha Natsu’s Wood Clone slaughtered the Bloodsail Pirates at Fish-Man Island, leaving their captain to die without learning the truth about his protection. Natsu had spent the past month setting aside his responsibilities and resting, worn out from years of constant strain.

• Natsu’s Wood Clone killed the Bloodsail captain’s first mate and left the captain mortally wounded among the corpses.
• The Bloodsail captain asked why Natsu had killed his crew, and Natsu said he had done it because he was unhappy.
• The captain died without realizing that his intelligence about Fish-Man Island was more than half a year out of date or learning that his killer was Uchiha Natsu.
• Natsu had ignored clan documents, duty reports, Sage Mode updates, and Elder Setsuna’s letters while relaxing on Fish-Man Island.
• Izumi had stopped worrying that Fugaku would be angry with Natsu for resting, and Natsu reflected on the strain of the responsibilities he had carried for years.

Natsu and Izumi spent a month exploring Fish-Man Island, enjoying time together before deciding to return home. Neptune remained in Ryugu Palace with another patrol report as their departure approached.

• Natsu and Izumi watched dolphins, explored Fish-Man Island, and spent quiet days together.
• Neptune had an Uchiha Gunbai flag hung on a Ryugu Palace tower, and Natsu acknowledged the gesture.
• Elder Setsuna read a report about Natsu and was glad he could enjoy being a child with Izumi.
• Izumi told Natsu that Elder Setsuna and Fugaku were urging him to return, and Natsu took her hand as they prepared to leave.
• Neptune sat in Ryugu Palace's main hall holding the twelfth patrol report of the day.

Natsu’s Wood Clones killed pirates who tried to raid Fish-Man Island, turning the port into a grisly warning that drove pirates away. By the second month, merchant traffic had tripled and Fish-Man Island had become a safe trade station.

• Natsu’s Wood Clones patrolled every approach to Fish-Man Island and killed pirates attempting to infiltrate or attack.
• Neptune’s guards displayed the pirates’ corpses around the port, eventually stacking them on a platform and wooden spikes.
• Escaped pirates spread reports of the Wood Clones and their scarlet Sharingan, causing raids on Fish-Man Island to cease.
• Merchants flocked to Fish-Man Island, tripling port traffic as the island became a safe trade-route transfer station.

Fish-Man Island became a protected haven under Uchiha Natsu after his campaign against pirates, while the Marines debated how to respond. Sengoku left Akainu’s demand to purge the island unanswered, pointing out that no one could face Natsu.

• Merchants, pirate crews, bounty hunters, and intelligence brokers spread warnings about Fish-Man Island and began avoiding its waters.
• Neptune directed Ryugu Palace to spend its increased docking-fee revenue rebuilding Fish-Man Island.
• Uchiha Natsu stood aboard the White Dragon with Izumi as he prepared to leave for home.
• Akainu demanded that the Marines purge Fish-Man Island after learning it had aligned with the Uchiha Clan.
• Sengoku reminded Akainu, Kizaru, Aokiji, and Aramaki of Natsu’s power and asked who would confront him.

Natsu returned to Origin Island with Izumi after their trip to Fish-Man Island, where he reunited with the Uchiha elders and received urgent news from Vallen. The chapter left Natsu and the clan leaders about to hear what Vallen had discovered at the laboratory.

• Sengoku showed Aramaki Uchiha Natsu's Summit War combat records and warned him against confronting Natsu over Fish-Man Island.
• Natsu and Izumi returned to Origin Island, where Izumi brought gifts for the clan and Natsu encountered Uchiha Rin, who had awakened Two Tomoe.
• Setsuna gave Natsu seventeen unread briefings and relayed Fugaku's warning, while Izumi presented Setsuna with bubblefish oil.
• A Night Owl Guard summoned Natsu and the elders to the laboratory at Vallen's request.
• Natsu summoned Setsuna, Tekka, Taoho, and Fugaku, then arrived at the laboratory to find Vallen and Caesar Clown excited over fresh research data.

Vallen announced that the second-generation enhancer, Light of Susanoo, greatly shortened the time needed for Mangekyo Sharingan users to reach the Sage Mode threshold. Natsu reviewed its temporary side effects and ordered a cautious rollout, beginning with Yashiro and Izumi.

• Vallen reported that Light of Susanoo had passed its final live-subject trial and could reduce the Sage Mode threshold period to under a month for most recipients.
• Setsuna, Tekka, Taoho, and Fugaku reacted to the enhancer’s potential to expand the Uchiha Clan’s high-end combat strength.
• Natsu asked about side effects, and Vallen explained that recipients could experience up to seventy-two hours of fever and chakra disruption but had recovered within a week.
• Natsu ordered Yashiro and Izumi to receive the enhancer first and assigned Setsuna and Tekka to prepare a phased rollout plan within a week.
• Natsu prioritized the Night Owl Guard and Nightingale Guard for treatment and required every recipient to be observed at the Uchiha Research Institute for a week.

Natsu and the Uchiha Research Institute began administering Light of Susanoo, helping the clan tame Susanoo and awaken Sage Mode. As the Uchiha grew stronger, Fugaku urged Natsu to take Yaoyu and Yakumi with him on the Broken Anchor mission.

• Natsu urged Setsuna to rest before the week of work ahead, and Setsuna stayed behind to study the report.
• Vallen and Caesar Clown prepared the first Light of Susanoo injections overnight, and Yashiro and Izumi received them before dawn.
• After seventy-two hours, Yashiro guided his Susanoo into semi-activated Sage Mode, while Izumi later advanced her Susanoo to full activation and absorbed natural energy.
• Setsuna's phased injection plan expanded to the Night Owl Guard and Nightingale Guard, and recipients across the clan began awakening Sage Mode.
• Fugaku's Complete Susanoo lasted more than three hours ten days after his injection, while Origin Island's Uchiha trained toward Sage Mode in growing numbers.
• After Natsu explained the Broken Anchor, Fugaku advised him to take Yaoyu and Yakumi along because they had both mastered Sage Mode.

Natsu prepared to leave Origin Island with Yaoyu and Yakumi, then activated the Broken Anchor to travel to another world. They arrived in the Ninja World, where Natsu sensed a large ninja settlement to the southeast.

• Natsu set Sasuke's training plan for the month and told him he was leaving on a potentially dangerous mission.
• Yaoyu and Yakumi arrived, and Izumi gave Natsu a ribbon before he departed with them.
• Natsu poured chakra into the Broken Anchor, transporting all three from Origin Island.
• Natsu recognized the new world as the Ninja World after sensing its familiar chakra throughout the forest.
• Natsu detected a dense chakra concentration about twenty kilometers southeast and concluded it was a substantial ninja village.

Natsu, Yaoyu, and Yakumi returned to the Ninja World and found themselves near Konoha, where they sought information from a passing convoy. When the Grass Ninja captain threatened Natsu, his hand suddenly stopped obeying him.

• Yakumi asked if they had returned to the Ninja World, and Natsu confirmed that Konoha was nearby.
• Natsu used Observation Haki to sense nearby people and led Yaoyu and Yakumi toward them.
• The three discovered a convoy guarded by samurai and Grass Ninja, and Natsu identified the ninjas as Kusagakure shinobi.
• Natsu approached the convoy to ask for directions, while Yaoyu and Yakumi followed with their Sharingan visible.
• The employer insulted the Grass Ninja and ordered them to drive the three away, but the captain found that he could no longer move his kunai hand.