Chapter Summaries

Shinsei gave Sasuke a powerful new cursed seal that boosted his chakra, strength, speed, and ninjutsu, though its effects faded quickly. After Sasuke asked how to obtain an Eternal Mangekyō Sharingan without taking his brother’s eyes, Shinsei proposed cloning him to create another Sasuke.

• Shinsei found Sasuke training in the forest and offered him a new source of power that could rival Sage Mode.
• Sasuke injected himself with the anesthetic, then woke hours later with the new cursed seal activated.
• Sasuke tested the seal’s power, using enhanced speed and a Great Fireball Technique before the markings faded.
• Shinsei explained that the seal’s chakra would take ten days to half a month to accumulate and could be transferred into Sasuke’s Yin Seal.
• Sasuke thanked Shinsei and agreed to grow stronger to help defeat Madara Uchiha, but refused to take his brother’s eyes for an Eternal Mangekyō Sharingan.
• Shinsei told Sasuke that their research with Orochimaru could clone a new Sasuke, whose eyes Sasuke could use.

Shinsei agreed to pursue a way for Sasuke to gain the Eternal Mangekyō Sharingan in exchange for funding, then gathered everyone to take the Nine-Tails out. The group vanished with Minato’s Flying Thunder God, while Naruto and Sasuke’s rivalry remained unresolved.

• Shinsei offered to experiment on a clone to help Sasuke gain the Eternal Mangekyō Sharingan, and Sasuke agreed to pay him three hundred million ryo.
• Shinsei took Sasuke to meet Naruto, Minato, Kushina, and Karin, who were celebrating Naruto’s instant Rasengan.
• Naruto attacked Sasuke with a Rasengan, but Sasuke dodged and Naruto’s attack blasted a deep pit in the ground.
• Shinsei stopped Naruto and Sasuke from fighting and announced that they would take the Nine-Tails out for a walk.
• Kushina held the quiet Nine-Tails as Minato linked the group together and transported them with Flying Thunder God.

Naruto and Sasuke fought at the Nine-Tails’ training ground, trading Rasengan, Shadow Clones, and taijutsu. Naruto tried to land his Thousand Years of Death, but Sasuke blocked him with Susanoo, leaving Naruto protesting that Sasuke had cheated.

• Naruto and Sasuke took positions in a clearing while Karin cheered for Naruto.
• Naruto attacked with a Rasengan, but Sasuke dodged, drove his wrist into the ground, and countered before Naruto landed safely.
• Naruto surrounded Sasuke with Shadow Clones, forcing Sasuke to use his Three-Tomoe Sharingan to evade their attacks.
• Naruto used a Fūma Shuriken feint to set up Thousand Years of Death while Shinsei photographed the fight.
• Sasuke activated Susanoo to block Naruto’s thrust, and Naruto accused him of cheating.

Naruto and Sasuke fought at full strength, with Naruto drawing on the Nine-Tails and Sasuke summoning a towering Susanoo. The battle continued as Naruto’s six tails endured Susanoo’s blows and tried to restrain it.

• Sasuke criticized Naruto for using a trick, and Naruto activated Nine-Tails Mode while Shinsei joked with Little Nine-Tails about borrowing his chakra.
• Naruto’s four-tailed form fought Sasuke’s Second Form Susanoo, dodging its arrow and grappling with its limbs.
• Naruto’s Tailed Beast Bomb narrowly missed Susanoo and destroyed the mountaintop behind it.
• Sasuke enlarged Susanoo and attacked with its Chakra Blades as Naruto grew a sixth tail.
• Naruto’s tails caught the blades and pulled him from the crater, then tried to brace against Susanoo and bind its feet.

Shinsei stopped Naruto and Sasuke’s escalating battle before Naruto’s growing Nine-Tails power overwhelmed him, and Naruto recovered from his injuries. As Shinsei tried to negotiate with Nine-Tails, Karin sensed someone nearby, leaving the group on alert.

• Naruto and Sasuke’s battle intensified until Naruto began to form a seventh tail, prompting Shinsei to intervene.
• Shinsei redirected Naruto’s Tailed Beast Bomb and knocked aside Sasuke’s Susanoo blades before pinning Naruto and suppressing the seven tails.
• Karin offered Naruto her healing blood, but Naruto healed himself and promised that no one would bite her again.
• Shinsei asked Little Nine-Tails to persuade his other half to cooperate with Naruto and provide chakra without its negative will.
• Karin sensed someone nearby and pointed toward the presence.

Madara Uchiha and Obito Uchiha confronted Shinsei and the others, and Obito invited Sasuke to join the Akatsuki. After Obito admitted his role in the Nine-Tails attack and challenged Sasuke to seek revenge, Sasuke struck him with a powerful new technique, though Obito remained unharmed.

• Karin spotted Madara Uchiha and Obito Uchiha watching from a distant tree, and Madara jumped down to confront the group.
• Shinsei traded taunts with Madara and challenged his claims about the Nine-Tails' strength.
• Obito invited Sasuke to join the Akatsuki, but Naruto objected, and Sasuke accused Obito of orchestrating the Nine-Tails attack and the Uchiha Clan massacre.
• Obito challenged Sasuke to kill him, and Sasuke charged with lightning attacks that passed through Obito's intangible body.
• Sasuke used black, lightning-like markings to catch Obito off guard and land a powerful knee strike, then declared that Obito was nothing special.

Shinsei and Madara Uchiha argued over the cost of opening a passage through the mountains between the Land of Rain and the Land of Wind. Madara demanded the work and Shinsei named Madara's Yin-Yang Release knowledge as payment.

• Obito Uchiha challenged Sasuke and Shinsei mocked Obito's reliance on his Sharingan abilities before Madara Uchiha stopped them.
• Madara Uchiha asked Shinsei to open a passage through the mountains so rain could reach the Land of Wind and reduce flooding in the Land of Rain.
• Shinsei refused to do the work for free, and Madara threatened to discuss the matter with Hashirama.
• Madara suggested Shinsei use the Nine-Tails or hand it over to him, prompting Little Nine to reject his coercion.
• Shinsei demanded Madara's knowledge of Yin-Yang Release as payment.

Shinsei escaped Madara Uchiha with Minato Namikaze and the others, then encouraged Naruto and Sasuke before reviewing his plans to grow stronger. He ended by assessing his chakra reserves and considering how to develop the Dragon Vein energy within himself.

• Madara Uchiha refused Shinsei's request to learn Yin-Yang Release and ordered him to leave the Land of Rain.
• Minato Namikaze used Space-Time Ninjutsu to take Kushina Uzumaki, Karin, Naruto, and Shinsei away from Madara.
• Madara Uchiha summoned a wooden statue and assigned Obito the task of dealing with the mountain range while the tailed beasts were bound by chakra chains.
• Back in Konoha, Shinsei reassured Kushina Uzumaki and encouraged Naruto and Sasuke not to fear Madara Uchiha.
• Shinsei asked Sasuke about his new Cursed Seal and warned him to be careful when confronting Uchiha Itachi; Sasuke vowed to kill him.
• At home, Shinsei reviewed his strength and future development, weighing his large chakra reserves, his quarter of the Nine-Tails, and the Dragon Vein energy within him.

Shinsei considered how to improve his abilities against Madara Uchiha and future Six Paths Level enemies, focusing on faster reactions, Palm Thunder, and learning Yin-Yang Release. While experimenting with Earth Release, he discovered he had grasped the basics of the Light-Weight Rock Technique.

• Shinsei reviewed his powerful ninjutsu and concluded that his abilities were still insufficient against Madara Uchiha and Kaguya.
• Shinsei considered using the Descent of the Thunder God project to improve his reaction speed and Palm Thunder to attack enemies who absorbed ninjutsu.
• Shinsei planned to seek Yin-Yang Release knowledge from the Yamanaka, Nara, and Akimichi clans while Sasuke adapted to the Cursed Seal.
• Shinsei noticed that a stone he tossed landed unusually lightly, then confirmed with his Sharingan that it had become lighter.
• Shinsei realized he had grasped the basics of the Light-Weight Rock Technique.

Shinsei trained the Light-Weight Rock Technique before accompanying Sasuke to confront Uchiha Itachi. At the abandoned Uchiha base, Shinsei challenged Kisame so Sasuke could enter alone, and the chapter ended as Shinsei launched his first attack.

• Shinsei practiced reducing a stone’s weight with Earth Release and meditated through the night.
• Sasuke asked Shinsei to accompany him to find Uchiha Itachi, and Tsunade warned them to be careful before they left Konoha.
• At an abandoned Uchiha base, Shinsei and Sasuke met Kisame, who said Itachi had been waiting inside for two days.
• Sasuke entered the building while Kisame blocked Shinsei and accepted his challenge to fight.
• Shinsei activated Sage Mode, transformed his senjutsu chakra into Storm Release, and charged Kisame with a punch.

Shinsei defeated Kisame’s attempt to stop him and entered the cave, where Sasuke confronted Uchiha Itachi. Itachi claimed he slaughtered the Uchiha for the Eternal Mangekyō Sharingan, and Sasuke welcomed the chance to kill him.

• Shinsei exposed Kisame’s hiding place with Storm Release: Heavenly Net and tested Morning Peacock, but his attack only made a small crater in a tree.
• Kisame admitted he could not stop Shinsei and asked him not to interfere in the brothers’ fight; Shinsei entered the cave without taking Samehada.
• Sasuke attacked Uchiha Itachi in the stone hall, but Itachi repeatedly evaded his strikes by transforming into crows and using illusions.
• Itachi revealed that Sasuke had awakened the Mangekyō and said the Eternal Mangekyō Sharingan could be gained by taking his eyes.
• Sasuke demanded to know why Itachi killed their parents and clan, and Itachi claimed he did it for the power of the eyes.
• Sasuke said he was excited to kill Itachi.

Sasuke Uchiha and Uchiha Itachi continued their fight, trading genjutsu, fire, and close-quarters attacks as Sasuke proved stronger than Itachi expected. Shinsei arrived with Kisame and watched from the sidelines, and Sasuke refocused on Itachi and charged again.

• Uchiha Itachi trapped Sasuke in a genjutsu and nearly reached for his eyes, but Sasuke revealed himself to be a Shadow Clone and counterattacked.
• Sasuke's Chidori passed through Uchiha Itachi, who turned into crows, then the brothers exchanged blows and Sasuke smashed a crater into the floor.
• Uchiha Itachi praised Sasuke's strength and remarked that Tsunade might be a better teacher for him than Orochimaru.
• Shinsei entered the hall, followed by Kisame, and said he would watch without interfering.
• Shinsei made earthen stools for himself and Kisame, then briefly handled Samehada, which eagerly responded to his chakra.
• Sasuke dismissed the distraction and charged Uchiha Itachi with lightning flaring around his fist.

Sasuke and Itachi fought with ninjutsu and Susanoo, as Itachi urged Sasuke to use his full power and claimed he wanted his eyes. The chapter left their two chakra giants clashing, with Itachi's red Susanoo swinging its sword at Sasuke's purple one.

• Sasuke used his speed, Lightning Sword, and Mangekyō Sharingan to battle Itachi, while Shinsei judged that Sasuke had the advantage in power.
• Itachi coughed blood, praised Sasuke's growth, and awakened his red Susanoo; Sasuke answered with a purple Susanoo armed with a crossbow.
• Itachi told Sasuke that Mangekyō users would lose their sight and demanded Sasuke's eyes, provoking him to fire a chakra arrow.
• Itachi blocked the arrow with his Susanoo's shield, and Shinsei raised a water wall to protect himself and Kisame from the blast.
• Kisame secretly tried to imitate Shinsei's hand-seal-free ninjutsu, but his chakra produced no effect.
• Itachi called Sasuke inexperienced with Susanoo and swung his chakra sword at Sasuke's purple giant.

Sasuke and Uchiha Itachi fought with their Susanoo, and Sasuke gained the upper hand after awakening a Perfect Susanoo. Uchiha Itachi revealed a complete Susanoo of his own despite his failing health, and the battle continued as Sasuke powered up with his Cursed Seal and prepared to strike.

• Sasuke brought down the hall’s ceiling and grew a Perfect Susanoo, towering over Uchiha Itachi’s red Susanoo.
• Sasuke’s Perfect Susanoo battered Uchiha Itachi’s Susanoo, while Uchiha Itachi claimed he would take Sasuke’s eyes and gain the power Madara Uchiha possessed.
• Uchiha Itachi’s Susanoo grew feet and became complete, and Shinsei reinforced the ground to keep the battling giants from collapsing the hall.
• Sasuke leaped aboveground and fired a giant crossbow at Uchiha Itachi, whose Susanoo blocked the attack with its shield.
• Sasuke criticized Uchiha Itachi and activated the new Cursed Seal, strengthening his Susanoo before merging its twin blades into a greatsword for another strike.

Sasuke overwhelmed Uchiha Itachi's Susanoo, but Uchiha Itachi trapped him in Tsukuyomi and revealed that he had provoked Sasuke into forgetting the technique. Uchiha Itachi died after reaching Sasuke, leaving Sasuke victorious but emotionally empty as Shinsei watched.

• Sasuke used cursed seal chakra to overpower Uchiha Itachi's Susanoo and shatter it.
• As Sasuke approached to kill Uchiha Itachi, Uchiha Itachi caught him in Tsukuyomi.
• Uchiha Itachi explained that he had provoked Sasuke's anger so Sasuke would forget about Tsukuyomi, then tortured him in the illusion.
• Uchiha Itachi stumbled in the real world, reached Sasuke, tapped his forehead, and died.
• Sasuke realized Uchiha Itachi was dead and lay on the ground as Shinsei confirmed that his chakra had vanished.

After killing Uchiha Itachi, Shinsei took Sasuke to Konoha’s hospital and discovered a clue linking the Akatsuki to Rōran. Meanwhile, Kabuto Yakushi and the sages found a remnant of Dragon Vein energy beneath Rōran’s ruins, intending to use it to reach another Shinobi World.

• Kisame refused Shinsei’s offer to join Konoha and left, while Sasuke told Shinsei to destroy Uchiha Itachi’s eyes and corpse.
• Shinsei found a slip marked “Rōran” and suspected the Akatsuki was pursuing the Dragon Vein energy there.
• Shinsei brought Sasuke to the hospital, where Sakura and Naruto visited him; Naruto carried him toward the Uchiha Clan grounds to pay respects to his parents.
• In the Land of Wind, Kabuto Yakushi and the sages searched Rōran’s ruins for chakra containing space-time energy.
• Ichikishimahime found a tiny remnant of Dragon Vein energy, and Tagorihime explained that the White Snake Sage could nurture it into a means of reaching another Shinobi World.

Shinsei investigated signs that his enemies had reached Rōran and might have found another source of Dragon Vein energy. After discussing the danger with the two Tsunades, he realized that Madara Uchiha could use Impure World Reincarnation to bring another version of himself into the conflict.

• Shinsei returned Itachi's body to Sasuke but kept Itachi's Mangekyō Sharingan to study for his cloning plan.
• When the Dragon Vein energy inside him stirred, Shinsei traveled to Rōran and found a vast fissure where intruders had used Earth Release.
• After Shinsei left, Ichikishimahime and Tagorihime emerged from the sand, and Ichikishimahime vowed to kill him.
• Shinsei told the two Tsunades about Rōran, and the younger Tsunade questioned who Madara Uchiha could bring from another world.
• The Hokage version of Tsunade warned that Madara Uchiha could use Impure World Reincarnation, leaving Shinsei and the younger Tsunade concerned about facing another Madara.

Shinsei visited Shikaku Nara after congratulating him on becoming Jonin Commander, and Shikaku welcomed him into his home for dinner with his family. After the meal, Shikamaru asked Shinsei what he had really come for, leaving Shinsei poised to reveal his purpose.

• Shinsei congratulated Shikaku Nara on his appointment as Jonin Commander, and Shikaku thanked him for recommending him to Tsunade.
• Shikaku invited Shinsei to his home, and Shinsei accepted, hoping the visit would improve his chance of learning about Yin-Yang Release.
• Shinsei arrived at the Nara home with fruit, where Ino, Shikamaru, and Choji greeted him.
• Shikaku and his family served Shinsei tea and an elaborate dinner, while Ino repeatedly added food to his plate.
• After the meal, Shikamaru asked Shinsei why he had come, and Shinsei praised Shikamaru's intelligence.

Shinsei visited the Nara Clan to study Yin Release and learned the basics of the Shadow Imitation Technique from Shikaku Nara. In return, Shikaku accepted Shinsei’s offer to teach the Visualization Method to Shikamaru.

• Shinsei asked Shikamaru whether he could study the Nara Clan’s knowledge of Yin Release, offering knowledge of equivalent value in exchange.
• Ino and Choji offered to help Shinsei, but both said they needed permission from their fathers.
• Shikaku let Shinsei read the clan’s scrolls and explained how the Shadow Imitation Technique gave chakra-created shadows form and strength.
• Shinsei quickly made his shadow’s arm move and mastered the basics of the Shadow Imitation Technique.
• Shikaku asked Shinsei to teach the Visualization Method to his son, Shikamaru, and Shinsei agreed.

Shinsei taught Shikamaru a tailored Visualization Method in his mental space, where a strategy game quickly distracted Shikamaru from the intended practice. The next day, Shikaku brought Shinsei notes on Yin-Yang Release gathered from the Nara, Yamanaka, and Akimichi Clans, leaving Shinsei amused by how freely he could make such exchanges under Tsunade’s trust.

• Shinsei took Shikamaru to his mental space and demonstrated a strategy game made of shadow pieces.
• Shinsei taught Shikamaru a Visualization Method designed to strengthen his mental power and shadow techniques.
• Shikamaru began visualizing the game but soon focused on playing against himself and shouted, "Check!"
• The next day, Shikaku gave Shinsei a scroll of Yin-Yang Release fundamentals that included knowledge from the Yamanaka and Akimichi Clans.
• Shinsei thanked Shikaku and promised to offer corresponding knowledge in exchange, then reflected on how Tsunade’s trust allowed his private dealings with the clans.