Chapter Summaries

Katsuo drained Mount Myōboku’s Sage Spring Water, unleashing a violent surge of life energy that restored his damaged body but left his Chakra out of control. After an Old Toad dragged him into its consciousness space and accused him of stealing the spring water, Katsuo used his Mangekyō Sharingan to crack the space.

• Katsuo ignored the two toads’ warnings and drank the remaining Sage Spring Water from the rock crack.
• The water flooded Katsuo with life energy, and he summoned Mature Susanoo to contain it as his body healed and regained its vitality.
• An Old Toad attacked Katsuo with its tongue, but Susanoo and the barriers blocked the strike.
• Katsuo tried to summon a beast to escape but found that the spring water’s effects had disrupted his Chakra and prevented him from using ninjutsu.
• The Old Toad used a piercing croak to pull Katsuo into its consciousness space and identified him as an Uchiha.
• Katsuo resisted the Old Toad’s crushing pressure with his Mangekyō Sharingan, making cracks spread across the consciousness space.

Katsuo killed the Old Toad in its dream space with his Mangekyo technique, God-Killing, but the attack nearly ruined his right eye. Meanwhile, his Susanoo broke free of the two guarding Toad Sages’ water techniques and badly wounded one of them with a Kusanagi Blade slash.

• The Old Toad claimed its Dream Echo Space-Time could suppress Katsuo and demanded to know how he had learned about Kaguya, Hagoromo, Hamura, and the Three Great Holy Lands.
• Katsuo provoked the Old Toad, then used God-Killing to sever its consciousness and kill it within the dream; the technique left his right eye nearly blind.
• The two old Toad Sages released their barrier and attacked Katsuo’s Susanoo with Sage Arts that trapped it between walls of water.
• Katsuo’s Susanoo broke free, summoned the Kusanagi Blade, and slashed at the Toad Sages.
• One Toad Sage threw his companion clear and used the Hydrification Technique, but the slash severed part of his hind leg.

Katsuo took the Sage Spring water and escaped Mount Myōboku with Orochimaru, then used the water to recover and transform his body in Ryūchi Cave. His physical strength, chakra, ocular power, and abilities increased dramatically, and he wondered whether he might awaken a Sage Body.

• Old Toad warned the other toads that Katsuo might damage the Water Vein, so they let him leave with the Sage Spring water.
• Katsuo threatened the toads when they demanded he surrender the water, but spared them after Old Toad gave it up.
• Katsuo met Orochimaru and escaped Mount Myōboku with him by traveling through Ryūchi Cave.
• Katsuo stayed in Ryūchi Cave to recover as Orochimaru defended him from giant snakes drawn by his energy.
• After more than an hour, Katsuo completed his transformation, gaining water nature and greatly enhanced physical strength, chakra, and ocular power.

Katsuo returned to Konoha with Sage Spring Water and shared it with Orochimaru and his loved ones. After distributing it to Konan and members of the Uchiha clan, he left Uchiha Feng restored and eager to see Katsuo become invincible.

• Katsuo used his Sharingan to subdue the Black Serpent, then returned to Konoha with Orochimaru.
• Katsuo offered Orochimaru half of the Sage Spring Water, but Orochimaru accepted only half a liter for research.
• Katsuo divided the remaining Sage Spring Water into portions and gave one to Konan, whose health and appearance improved.
• Katsuo taught Konan to extract Chakra, then gave six portions to Mikoto, Uchiha Feng, Uchiha Sheng, Uchiha Izumi, and Uchiha Kuiko.
• Katsuo gave Uchiha Feng two portions, restoring his vitality and extending his life, then promised he would become invincible in the ninja world.

After using the last of his Sage Spring Water and resuming his training, Katsuo was confronted by Jiraiya over the death of the Toad Clan’s ancestor and the theft of the water. Jiraiya attacked on the Toad Clan’s behalf, but Katsuo easily countered his techniques and dismissed him as too weak.

• Katsuo drank the remaining Sage Spring Water, found that it did not restore his damaged right eye, and considered seeking Nagato’s Rinnegan as a future replacement.
• After only a few hours of sleep, Katsuo resumed training with Old Duy and pushed him to run laps or do ten thousand push-ups.
• Jiraiya confronted Katsuo, accusing him of killing the Toad Clan’s ancestor and stealing Mount Myōboku’s Sage Spring Water.
• Katsuo admitted his role and explained that Orochimaru had helped obtain Jiraiya’s blood but had known nothing about the attack or theft.
• Jiraiya attacked Katsuo with fire and hair techniques, but Katsuo countered them with ease and told Jiraiya he was too weak to interest him in a fight.

Katsuo defeated Jiraiya after admitting he had taken all the spring water, then warned that Jiraiya was alive only because he was in Konoha and had powerful connections. The Third Hokage listened in silence, leaving the dispute unresolved.

• Jiraiya attacked Katsuo with ninjutsu and taijutsu, but Katsuo countered him and left him badly injured.
• Jiraiya considered summoning Gamabunta but abandoned the idea after recalling Katsuo's Susanoo and its power.
• Katsuo sensed powerful Chakra approaching, and the Third Hokage arrived to find Jiraiya battered and Katsuo unharmed.
• Jiraiya told the Third Hokage what had happened, and Katsuo admitted taking all the spring water because it had been useful to him.
• Katsuo told Jiraiya that he could have killed him for representing Mount Myōboku, and the Third Hokage silently smoked his pipe.

The Third Hokage warned Jiraiya against confronting Uchiha Katsuo and recognized how powerful Katsuo had become, while Hatake Sakumo predicted that his strength would grow beyond anyone's ability to challenge. Later, Mikoto invited Konan to stay at her house, and Katsuo pointed out that Konan was older than her.

• The Third Hokage accepted Katsuo's refusal of help with Mount Myōboku and told him to collect his jonin uniform and insignia.
• After Katsuo left, the Third Hokage reprimanded Jiraiya for attacking him and explained that Katsuo had acted to survive after being given only two years to live.
• Hatake Sakumo estimated that Katsuo's Chakra reserves were ten times the Third Hokage's and warned that no one might be able to fight him in ten years.
• Mikoto came to Katsuo's camp and invited him to visit her grandfather.
• Katsuo told Mikoto about Konan, and Mikoto offered to let her stay at her house.
• Katsuo corrected Mikoto when she called Konan her younger sister, saying Konan was older than her.

Katsuo learned that rumors about his Mangekyō Sharingan were making him too prominent, so he arranged for Mita Kishisuke’s newspaper to focus on the Sannin instead. Uchiha Feng warned him about the Mangekyō’s deadly flaw and told him about the clan’s upcoming midyear assembly, where Katsuo would receive land and money for his merits.

• Katsuo praised Mikoto’s beauty, and she told him the Sage Spring Water had doubled her Chakra and removed a mosquito bite.
• Mita Kishisuke visited Katsuo and warned that people were spreading rumors about his power and calling him a god.
• Katsuo told Kishisuke to report on the Sannin and avoid publicizing or ranking him, redirecting attention away from himself.
• Uchiha Feng warned Katsuo that revealing the Mangekyō Sharingan had attracted attention, and Katsuo explained that the power could not be hidden and risked causing blindness.
• Uchiha Feng agreed to investigate the Sharingan’s secrets at the clan shrine and told Katsuo that the midyear assembly would commemorate the fallen and reward merit with land and money.

Katsuo attended the Uchiha Clan’s midyear assembly after advancing to jonin, where his presence and battlefield achievements stunned the clan. The Great Elder began publicly recounting Katsuo’s record, including his defeat of a demigod.

• Katsuo accepted the Third Hokage’s commendation and advanced to jonin.
• Katsuo attended the Uchiha Clan assembly, where a sensory Chunin sensed his immense Chakra and apologized after meeting his gaze.
• Uchiha Masawa recognized Katsuo and called him sir, drawing the crowd’s attention.
• The Great Elder announced that a Uchiha jonin had killed over a hundred enemies, including nine jonin, and driven back the demigod of the ninja world.
• A Chunin realized the Great Elder’s description likely referred to Katsuo.

At the Uchiha gathering, Katsuo’s achievements and Mangekyō Sharingan were publicly revealed, making him a target across the ninja world. Meanwhile, Kumogakure blamed him for killing its scouting team and threatened Konoha, leaving the Third Hokage facing an angry diplomatic delegation.

• The Great Elder praised Katsuo before the Uchiha clan, revealing his age, rank, and Mangekyō Sharingan, while Katsuo recognized the danger of exposing his identity.
• The Third Raikage learned that Katsuo had slaughtered a Kumogakure scouting team in the Land of Rain and ordered an envoy to demand that Konoha hand him over.
• Jiraiya, Orochimaru, and Tsunade argued with Katsuo over the Sage Spring Water, but Katsuo kept training and refused to intervene; later, Jiraiya began Sage Arts training ahead of schedule.
• The Old Toads held back Mount Myōboku’s calls for revenge because they feared Katsuo’s strength and Space Ninjutsu.
• Kumogakure’s delegation confronted the Third Hokage with accusations and threats of war, leaving him furious and grim.

Konoha’s leaders confronted Uchiha Katsuo after the Cloud Shinobi envoy demanded that the white-haired Uchiha responsible for a massacre be handed over within three days. Katsuo denied the charge and intimidated the Hokage Office, so the Third Hokage ordered a face-to-face confrontation with the witness.

• The Cloud Shinobi envoy demanded that Konoha identify and surrender a white-haired Uchiha with a Three-Tomoe Sharingan within three days, or face consequences.
• Utatane Koharu and the other leaders suspected Uchiha Katsuo, and the Third Hokage summoned him to the Hokage Office.
• Katsuo recalled killing a Cloud Shinobi unit in the Land of Rain but denied the accusation and demanded to confront the witness.
• When Utatane Koharu berated him, Katsuo revealed his Sharingan and unleashed a powerful aura that alarmed the Hokage and drew Anbu jonin.
• Katsuo said Konoha could handle the matter according to the law if the witness confirmed his guilt, and the Third Hokage summoned the envoy and witness for a confrontation.

Uchiha Katsuo was cleared by the Cloud Shinobi survivor, who described the murderer as white-haired, while the Third Hokage protected Katsuo from accusations in the Hokage Office. The Cloud envoy went to inspect the Uchiha Clan, and Hiruzen Sarutobi defended Katsuo’s importance to Konoha despite the advisors’ suspicions.

• The Cloud Shinobi envoy brought the survivor to identify Katsuo, but Katsuo secretly controlled the witness with his Sharingan, and the survivor denied that Katsuo was the white-haired murderer.
• The Third Hokage authorized the Cloud Shinobi to inspect the Uchiha Clan, and the envoy left to investigate.
• Katsuo demanded an explanation from the Hokage, then revealed his Mangekyō Sharingan and Black Flame when Danzo and the advisors ordered his arrest.
• The Third Hokage stopped the guards and apologized to Katsuo, who withdrew his powers and left the office.
• Danzo and the advisors accused Katsuo of being dangerous, but Hiruzen Sarutobi rejected their demands for punishment and emphasized Katsuo’s military merit and strength.

Uchiha Katsuo ambushed and killed the Cloud Shinobi delegation, then prevented Konoha’s peace mission from reaching the Land of Lightning, provoking a war that spread across the ninja nations. As Konoha prepared to fight on multiple fronts, the Third Hokage confronted the sleeping Katsuo about the devastation he had set in motion.

• The Cloud Shinobi delegation left Konoha without identifying a culprit, and Katsuo secretly followed them after they departed.
• Katsuo caught the delegation near the Land of Fire border and killed its Elite Jonin, two jonin, and four Chunin.
• A mysterious person intercepted Konoha’s peace delegation and left its members bound and drugged, delaying any explanation to the Third Raikage.
• The Third Raikage mobilized for war, and the Land of Lightning attacked Konoha as the Sand and Rain forces also struck, while the Land of Earth showed signs of joining them.
• The Third Hokage visited Katsuo’s camp and accused him of causing the war and bringing disaster upon countless innocents, but Katsuo remained asleep.

Hiruzen Sarutobi uncovered Uchiha Katsuo’s role in provoking the war with the Cloud Shinobi but decided to send him to the border rather than expose or kill him. Katsuo accepted the mission and led Konoha’s forces out at dawn, leaving the army marching toward the Third Raikage.

• Hiruzen Sarutobi confronted Katsuo with what he had deduced and decided Katsuo must help Konoha fight the war.
• Hiruzen ordered Katsuo and Yamanaka Seiun to lead three thousand troops to reinforce the border at sunrise.
• Katsuo traced Hiruzen’s discovery to his file, which revealed that his father had died at the hands of the Cloud Shinobi.
• Katsuo reflected on the coming fight with the Third Raikage and accepted Hiruzen’s command token.
• Katsuo appeared atop Konoha’s gates at dawn and ordered the troops to move out.
• Yamanaka Seiun rallied the army, and the three thousand ninja marched toward the border between the Land of Fire and the Land of Lightning.

Uchiha Katsuo defeated Cloud Shinobi forces and then confronted the Third Raikage, who joined the battle to stop him. After the Raikage overwhelmed Katsuo in their first clash, Katsuo opened the Fifth and Sixth Gates to face him.

• Katsuo used powerful ninjutsu and taijutsu to help Konoha win two battles against the Cloud Shinobi.
• The Third Raikage learned that Katsuo had killed Cloud Shinobi commanders, a reconnaissance squad, and a delegation, and vowed to kill him himself.
• Katsuo confronted the Third Raikage on the battlefield and nearly caught him with genjutsu before the Raikage’s chakra disrupted it.
• The Third Raikage struck Katsuo and sent him flying, dislocating his arm, but Katsuo reset it and challenged him again.
• The Third Raikage activated Lightning Release Armor, and Katsuo opened the Fifth and Sixth Gates as both armies watched.

Uchiha Katsuo and the Third Raikage fought a devastating close-range battle, each unleashing their strongest techniques. Both armies launched full-scale attacks after the fighters were rescued, and the Third Raikage ordered his forces to kill Katsuo.

• Katsuo dodged the Third Raikage’s Four-Finger Nukite and battered him with Leaf Rock-Destroying Rise and a Sixth Gate Morning Peacock barrage.
• The Third Raikage endured more than a thousand flaming punches, then paralyzed Katsuo with Black Lightning and grabbed his ankle.
• Katsuo opened the Seventh Gate and clashed with the Third Raikage’s One-Finger Nukite using Rising Sun, creating a crater and badly injuring both fighters.
• Yamanaka Seiun rescued Katsuo, while a Cloud Shinobi carried the wounded Third Raikage from the crater.
• Katsuo urged Yamanaka Seiun to attack while the Third Raikage was injured, and Konoha launched a full-scale assault.
• The Third Raikage stood despite his wounds and ordered the Cloud Shinobi to attack and kill Uchiha Katsuo.

Katsuo used his Mature Susanoo to overwhelm the Third Raikage and force the Cloud Shinobi to retreat, earning Konoha a major victory and worldwide attention. At the Senju Compound, Nawaki asked Uzumaki Mito to let him join Katsuo at the front, but she refused.

• The Third Raikage concealed his severe internal injuries, killed a panicked Cloud Shinobi for disrupting morale, and ordered his troops not to retreat.
• Katsuo challenged the Third Raikage and struck him with Susanoo's sword, breaking his defense and leaving him badly wounded but alive.
• Katsuo's Susanoo cut through the Cloud Shinobi until the Third Raikage ordered a retreat under cover of the Lightning Release experts.
• News of Konoha's victory spread across the shinobi world, and the Third Tsuchikage recalled the main Stone Ninja forces from the Fire-Earth Border.
• Uzumaki Mito praised Katsuo's victory while Nawaki boasted about his boss and asked to fight beside him at the Lightning-Fire Border.
• Uzumaki Mito refused Nawaki's request because he was not yet a Genin.

Katsuo recovered from his injuries as the war spread across several fronts, while Uchiha Madara learned of the ten-year-old Mangekyō wielder and ordered Black Zetsu to investigate him. Katsuo discovered that Madara had noticed him and worried that Madara might target his companions.

• Yamanaka Seiun told Katsuo to rest and heal his broken arm while the nations observed a temporary truce and continued fighting through assassinations and smaller clashes.
• Black Zetsu reported that the Land of Lightning had declared war on the Land of Fire and that Katsuo had repelled Hanzo and defeated the Third Raikage.
• Madara ordered Black Zetsu to investigate Katsuo and report his actions every three days, but Black Zetsu warned that Katsuo could detect White Zetsu from far away.
• Katsuo examined a White Zetsu and learned that Madara had taken an interest in him, then resolved to protect his companions from Madara's schemes.

A year into the Lightning-Fire war, Katsuo faced pressure from Konoha to break the stalemate despite his blindness and the Raikage’s refusal to fight him directly. The Third Raikage decided to deploy the Two-Tails Jinchuriki Muzi in a plan to kill Katsuo and crush Konoha’s forces.

• Katsuo burned a letter from the Third Hokage, then told Yamanaka Seiun that stopping reinforcements would hand the initiative to the Land of Lightning.
• Yamanaka Seiun left after hearing Katsuo’s warning and grew resentful of the Third Hokage’s pressure on the commander.
• The Third Raikage raged over the Stone Ninja’s plundering, but his advisor persuaded him to wait before opening another front.
• The Third Raikage ordered Muzi to be brought in and proposed using the Two-Tails Jinchuriki to kill Katsuo in one battle.
• The Raikage Advisor hesitated over escalating the war, then accepted the Third Raikage’s plan.

Katsuo learned the Gentle Fist’s hidden force and used it to refine his hand-sign-free Fire Release into a devastating new technique. After receiving word that Nawaki had gone to the Land of Rain to serve under Orochimaru, Katsuo ordered Uchiha Sheng to arrest and guard him, while resolving to bring the War of Fire and Lightning to a close.

• Hyuga Akikaze taught Katsuo about the Gentle Fist’s hidden force after Katsuo explained that he wanted to use it against the Third Raikage.
• Katsuo combined hidden force with his hand-sign-free Fire Release, creating an S-rank technique he named the Great Flame Immortal Burning Technique.
• An Uchiha Clan member delivered a letter reporting that Nawaki was in the Land of Rain serving under Orochimaru, and Katsuo crushed the letter in anger.
• Katsuo sent written authorization for Uchiha Sheng to arrest and guard Nawaki, and instructed him to keep the matter from Tsunade and Jiraiya if possible.
• Katsuo vowed not to let anything happen to Nawaki and declared that the War of Fire and Lightning needed to reach its conclusion.