Chapter Summaries

Sasuke unleashed his full strength against Kokushibo, but their opening exchange left Sasuke battered while Kokushibo remained nearly untouched. After Kokushibo regenerated the arm Sasuke had marked with Amaterasu, he declared he would stop holding back, beginning their true fight to the death.

• Sasuke released the chakra he had been holding back and attacked Kokushibo with Amaterasu, Kagutsuchi, and Chidori.
• Kokushibo countered Sasuke's Chidori with Moon Breathing, forcing Sasuke to use Amenotejikara to appear behind him.
• Kokushibo blocked Sasuke's strike, then drove him back with Moon-Dragon Ringtail, which cracked Susanoo's bone shield.
• Sasuke and Kokushibo pulled apart after their battle destroyed the Eternal Paradise Cult headquarters, leaving Sasuke gasping and bleeding from his eyes.
• Kokushibo cut off his arm to remove Sasuke's Amaterasu flames and quickly regenerated it before promising to fight without restraint.

Kokushibo used his Moon Breathing to bypass Sasuke’s Susanoo and wound him, demonstrating swordsmanship that Sasuke could not counter with conventional defense. Sasuke recognized the danger of Kokushibo’s techniques as the two remained poised to continue their fight.

• Kokushibo tore away the scorched flesh left by Sasuke’s Amaterasu and regenerated completely.
• Kokushibo vanished at high speed and attacked Sasuke with Moon Breathing, Second Form: Pearl Flower Moongazing.
• Sasuke blocked Kokushibo’s main slash with Susanoo, but it split into countless moon blades that pierced gaps in the armor and cut him.
• Kokushibo acknowledged Sasuke’s powerful techniques but said Sasuke still lagged behind him in swordsmanship.
• Sasuke silently assessed his wounds and realized ordinary blocking and defense would not work against Kokushibo.

Sasuke abandoned his Susanoo and used Amenotejikara to evade Kokushibo’s Moon Breathing attacks, then appeared behind him with Chidori. The chapter ended with Sasuke’s lightning blade about to strike Kokushibo’s back.

• Sasuke dispelled his Susanoo and chose to rely on his spatial advantage.
• Kokushibo attacked Sasuke with Loathsome Moon, Chains and a storm of sword energy.
• Sasuke repeatedly vanished from the paths of Kokushibo’s attacks, leaving Kokushibo confused.
• Sasuke used Amenotejikara to swap places with a fallen leaf and appear behind Kokushibo.
• Sasuke thrust Chidori toward Kokushibo’s heart and told him his blade could not outrun Sasuke’s sight.

Kokushibo awakened the Transparent World and used it to read the chakra flow behind Sasuke’s space-time ninjutsu. Sasuke’s attempts to surprise him failed, leaving him facing Kokushibo’s prediction of his every move.

• Sasuke struck Kokushibo from behind with Chidori, but Kokushibo twisted aside and slashed at him.
• Sasuke switched places with rubble using Amenotejikara and escaped Kokushibo’s counterattack.
• Kokushibo opened the Transparent World and saw the chakra gathering in Sasuke’s eyes before each technique.
• Sasuke tried to teleport into Kokushibo’s blind spot, but Kokushibo slashed toward his intended arrival point.
• Kokushibo’s attack forced Sasuke to block with his Kusanagi Sword and sent him flying.
• Kokushibo told Sasuke that his tricks were over.

Sasuke’s swordsmanship left him on the verge of defeat against Kokushibo, so he unleashed his full ocular power and formed the Complete Body Susanoo. Kokushibo faced the enormous demon god with awe and renewed fighting spirit, ready to challenge it regardless of the outcome.

• Kokushibo anticipated Sasuke’s Amenotejikara and sword attacks, forcing Sasuke onto the defensive.
• Sasuke decided to overwhelm Kokushibo with sheer power and unleashed his ocular power without restraint.
• A vast pillar of purple chakra formed the Complete Body Susanoo, complete with wings, legs, and two enormous chakra swords.
• Kokushibo was astonished by the Susanoo’s godlike power but showed no fear and prepared to fight it.

Sasuke used Complete Body Susanoo to split the landscape with a massive slash, but Kokushibo found a way to exploit its ankle joints. Kokushibo launched his strongest Moon Breathing attack at Susanoo’s supporting leg as Sasuke moved to intercept it.

• Sasuke controlled Complete Body Susanoo and cleaved a vast chasm through the land with an overhead slash.
• Kokushibo dodged the attack and searched for Susanoo’s weakness instead of confronting it head-on.
• Kokushibo targeted Susanoo’s ankles, slowing its movements with repeated precise strikes.
• Sasuke raised Susanoo’s foot to stomp Kokushibo, who used the moment of imbalance to leap into the air.
• Kokushibo unleashed Moon Breathing, Sixteenth Form: Moonbow, Half Moon at Susanoo’s supporting leg, and Sasuke raised Susanoo’s sword to meet it.

Kokushibo’s moonbow slash shattered Sasuke’s Susanoo greatsword and badly damaged its armor, injuring Sasuke despite his defense. Kokushibo praised Sasuke as a worthy opponent and relished the chance to fight him.

• Kokushibo’s Moonbow: Lone Lingering Moon shattered the chakra greatsword in Susanoo’s hand.
• The slash carved a deep diagonal fissure through Complete Body Susanoo’s chest and disrupted its energy pathways.
• Sasuke was struck through Susanoo’s defenses, coughed up blood, and staggered backward with severe pain.
• Kokushibo celebrated the attack’s success and praised Sasuke for enduring it without collapsing.
• Kokushibo regarded Sasuke as a true opponent and tightened his grip on the Demon Blade, eager to continue the fight.

Sasuke’s power and black flames reminded Kokushibo of his younger brother Yoriichi Tsugikuni, reigniting the jealousy and resentment he had carried for four hundred years. Mistaking Sasuke for another heaven-chosen rival, Kokushibo prepared to kill him, vowing to cut down the sun.

• Sasuke wiped blood from his mouth and faced Kokushibo with his Rinnegan and Eternal Mangekyō Sharingan.
• Kokushibo saw Sasuke’s Susanoo and black flames as echoes of Yoriichi Tsugikuni and his Sun Breathing.
• Kokushibo recalled how he had abandoned his humanity to surpass Yoriichi, yet had never reached his younger brother’s level.
• Kokushibo’s jealousy and rage erupted, and he turned his four centuries of obsession into a desire to kill Sasuke.
• Kokushibo transformed his Demon Blade, took a new stance, and vowed to cut down the sun.

Sasuke gathered his remaining power to form Indra’s Arrow, combining lightning and Amaterasu into an attack capable of destroying Kokushibo’s body and soul. Kokushibo refused to retreat and prepared to meet the arrow head-on with his Demon Blade.

• Sasuke realized the battle had to end in one strike because his ocular power was nearly exhausted.
• Sasuke dismissed Susanoo’s damaged greatsword and gathered lightning between its hands to form a bow.
• Sasuke infused the lightning bow with Amaterasu and created Indra’s Arrow.
• Kokushibo sensed the arrow’s lethal power but chose not to dodge.
• Kokushibo concentrated his demonic aura and swordsmanship into his blade and took a stance to face Sasuke’s attack.

Uesugi Sasuke and Kokushibo both survived their devastating battle, which ended in a draw after Kokushibo acknowledged Sasuke as a worthy opponent and withdrew. Alone in the crater at sunrise, Sasuke recognized that he needed greater power to defeat Muzan and resolved to pursue the Rinnegan.

• Kokushibo asked Sasuke's name, praised him as the second warrior in hundreds of years to fight him to this point, and acknowledged their battle had ended in a draw.
• Kokushibo withdrew into the darkness and promised to settle who lived and who died when they met again before Lord Muzan.
• After Kokushibo's presence vanished, Sasuke's Susanoo dissolved and he collapsed, exhausted and badly wounded.
• At sunrise, Sasuke surveyed the enormous crater left by their battle and reflected on Kokushibo's superior swordsmanship.
• Sasuke concluded he was not strong enough to end the war or defeat Muzan Kibutsuji and focused on obtaining the Rinnegan.

Uesugi Sasuke returned to the Butterfly Mansion after killing Doma and forcing Kokushibo to retreat, then reported the battle to the Hashira. Kagaya Ubuyashiki entrusted the Demon Slayer Corps’ future to Sasuke, who asked for a secluded place to undertake important training.

• Uesugi Sasuke staggered back to the Butterfly Mansion and told Shinobu Kocho that Doma was dead and Kokushibo had retreated.
• The Kasugai Crow announced Sasuke’s victory, prompting celebrations throughout the Demon Slayer Corps.
• At the emergency Hashira Meeting, Sasuke described the battle against Doma and Kokushibo and explained their abilities.
• The Hashira listened in awe as Sasuke recounted defeating Doma and gravely wounding Kokushibo.
• Kagaya Ubuyashiki entrusted the Demon Slayer Corps’ future to Sasuke, who requested a quiet place for training.

Uesugi Sasuke examined the system and accepted its final advancement mission, which required him to confront the Demon of Karma for the chance to evolve his Dōjutsu into a Rinnegan. He awakened at the Valley of the End, where Madara Uchiha’s phantom challenged his beliefs and began the trial’s first battle.

• Uesugi Sasuke reviewed his rewards for defeating Doma and fighting Kokushibo, including a newly unlocked senjutsu chakra exchange option.
• The system activated the “Severing Karma” mission, warning that failure would destroy Sasuke’s consciousness and soul.
• Sasuke accepted the mission and was drawn into a dark mental space that became the Valley of the End.
• Madara Uchiha’s phantom argued that bonds and emotions made Sasuke weak and demanded that he prove himself worthy of true power.
• Madara Uchiha summoned a massive blue demonic god, beginning the final trial.

Uesugi Sasuke defeated Madara Uchiha’s phantom by embracing his bonds and choosing to protect the world and the people he loved. He then faced Uchiha Itachi’s phantom, understood his brother’s sacrifice, and let go of his hatred and obsession with power.

• Madara Uchiha’s phantom attacked Sasuke with Susanoo and Tengai Shinsei, insisting that bonds weakened him and absolute power could create peace.
• Remembering Tanjiro and the Hashira, Sasuke rejected Madara’s false peace, repaired his Susanoo, and destroyed Madara’s blue Susanoo.
• Uchiha Itachi’s phantom asked Sasuke whether he fought for revenge or protection, then showed him the night of the Uchiha Clan’s massacre from a new perspective.
• Sasuke recognized the love and pain behind Itachi’s actions and said he now wanted to protect the world and the people important to him.
• Itachi’s phantom apologized and vanished as Sasuke released his hatred and past obsessions.

After severing his past hatred, Sasuke received Six Paths Yang Power from Hagoromo Otsutsuki and awakened a Six-Tomoe Rinnegan. He tested his enhanced abilities at the Ubuyashiki Estate, where Kagaya Ubuyashiki welcomed the dawn of hope for the Demon Slayer Corps.

• Hagoromo Otsutsuki praised Sasuke for ending the cycle of hatred and bestowed Six Paths Yang Power upon him.
• Sasuke's Eternal Mangekyō Sharingan evolved into a Six-Tomoe Rinnegan as the power reshaped his body.
• Sasuke awoke in the Butterfly Mansion and used his new vision to perceive chakra and the life force of Shinobu Kocho, Tanjiro, Zenitsu, and Inosuke.
• Sasuke used Amenotejikara to teleport to the roof of the Demon Slayer Corps Headquarters.
• Kagaya Ubuyashiki saw Sasuke's success as the dawn of hope for the Demon Slayer Corps' thousand-year wish.

Sasuke took full command of the Demon Slayer Corps and briefed the Hashira on Muzan Kibutsuji’s plan to capture Nezuko and the dangers of the Infinity Castle. He began preparing them for the final battle with specialized training to adapt to sudden spatial displacement.

• Sasuke appeared before Kagaya Ubuyashiki and demanded full command of the Demon Slayer Corps, which Kagaya granted.
• At an emergency Hashira Meeting, Sasuke explained that Muzan would attack to capture Nezuko and that the Infinity Castle could scatter their forces.
• Sasuke used his Rinnegan to swap Sanemi Shinazugawa and Tengen Uzui’s positions, demonstrating the kind of disorientation they might face in the castle.
• Sasuke announced training that would teleport or reposition the Hashira so they could learn to respond immediately to unexpected battles.
• Gyomei Himejima, Tengen Uzui, Mitsuri Kanroji, Muichiro Tokito, and the other Hashira agreed to follow Sasuke’s arrangements, and the Corps’ final counterattack began.

Uesugi Sasuke put the Hashira through training to prepare them for the shifting Infinity Castle, using Susanoo and his Rinnegan’s spatial power to evade their attacks. The Hashira struggled to coordinate as he repeatedly switched places with them, leaving them exhausted and unable to land a blow.

• Uesugi Sasuke explained that Infinity Castle’s changing space made conventional coordination useless and challenged the Hashira to hit him while his Susanoo was active.
• Sanemi Shinazugawa charged Sasuke, but Sasuke used Amenotejikara to switch places with Gyomei Himejima, forcing Sanemi to divert his strike.
• Sasuke repeatedly switched places with Mitsuri Kanroji, Obanai Iguro, and Muichiro Tokito, disrupting the Hashira’s attacks and nearly causing them to injure one another.
• The Hashira struggled to track Sasuke through the spatial hide-and-seek while Tengen Uzui watched from the sidelines.
• Sasuke told the exhausted Hashira that they would not be able to handle Infinity Castle if they could not pin down his position.

During Sasuke’s training, Giyu Tomioka learned to sense Amenotejikara’s movements and nearly struck Sasuke by predicting where he would appear. The other Hashira recognized Giyu’s skill and realized they would need to adapt rather than rely on brute force.

• The Hashira’s attacks and teamwork failed as Sasuke used Amenotejikara to evade them.
• Giyu Tomioka stopped pursuing Sasuke and sensed the air shifts and presence that accompanied each spatial swap.
• When Sasuke swapped places with Kyojuro Rengoku to evade Gyomei Himejima’s flail, Giyu anticipated his arrival and thrust toward his throat.
• Sasuke praised Giyu as the first to keep up, and Giyu withdrew his sword.
• The other Hashira gained a new respect for Giyu and understood they needed to calm their minds and adapt to Sasuke’s fighting style.

Sasuke began teaching Tanjiro, Zenitsu, Inosuke, and Kanao to sense and control chakra by climbing a tree without using their hands. Kanao and Tanjiro made early progress, Inosuke climbed by cheating, and sleeping Zenitsu unexpectedly raced to the treetop, leaving the group eager to learn more.

• Sasuke's Shadow Clone explained chakra and set the group the task of concentrating it in their feet to climb a tree.
• Inosuke charged into the trunk, while Kanao followed the instructions and began walking up the tree.
• Tanjiro managed to stand on the trunk briefly but fell after two steps.
• Inosuke climbed the tree using his hands and feet despite Zenitsu pointing out the rule.
• Zenitsu fainted in fright, then unconsciously ran up the tree to the treetop with golden lightning flashing around him.
• Sasuke's Shadow Clone told the group to combine chakra with their Breathing Styles and vanished.

Hotaru Haganezuka and the swordsmiths delivered Sasuke a blade forged to channel his lightning power. After Sasuke tested it by slicing a distant peak in half, he named the weapon Lightning Blade.

• Hotaru Haganezuka brought Sasuke the swordsmiths’ finished blade during the Hashira’s special training.
• Sasuke opened the box and examined the short, straight, dark purple blade, which had been forged from treasured ore and patterned naturally with silver markings.
• Sasuke infused the blade with Lightning Release chakra, causing it to erupt with lightning.
• Sasuke swung the blade and sent a lightning slash through a distant peak, severing its upper half.
• Hotaru Haganezuka fainted from excitement, and Sasuke named the weapon Lightning Blade.

Sasuke taught Kyojuro Rengoku to channel his will and vitality into his Nichirin Blade to suppress demons’ regeneration. Kyojuro awakened his Demon Slayer Mark and turned his blade bright red, leaving the Hashira readying for a counterattack.

• Kyojuro Rengoku praised the power of a slash that leveled a mountain peak during the Hashira’s sparring sessions.
• Sasuke explained that a Bright Red Nichirin Sword could suppress demons’ regeneration and urged Kyojuro to pour his will and vitality into his blade.
• Kyojuro recalled Akaza, his mother’s words, and his resolve to protect others as he gripped his sword with all his strength.
• A flame-shaped Demon Slayer Mark appeared on Kyojuro’s cheek, and his Nichirin Blade turned scorching crimson.
• Mitsuri Kanroji recognized the Bright Red Nichirin Sword, and Sasuke judged that the Hashira’s counterattack would soon begin.