Arc 3Threads of Mount Natagumo

Sasuke and Tanjiro’s joint mission led them through the shifting mansion and into the deadly forest of Mount Natagumo, where Sasuke killed several demons while Tanjiro, Inosuke, and Zenitsu faced their own battles. When Rui threatened Tanjiro and Nezuko, Sasuke claimed the Lower Five as his prey and demonstrated that he could counter Rui’s Blood Demon Art.

  • Sasuke and Tanjiro investigated the shifting mansion, where Sasuke killed Kyogai while Tanjiro, Zenitsu, and Hui rescued the trapped children and Inosuke fought lesser demons.
  • At the Wisteria House, Sasuke subdued Inosuke in a practice duel and later overheard Tanjiro explain that he fought to protect Nezuko, stirring memories of Sasuke’s murdered family.
  • The group received orders to go to Mount Natagumo, where Sasuke followed the threads controlling Demon Slayer Corps members and freed them before tracking the source.
  • Sasuke found Mother, burned her thread defenses and puppets, and decapitated her, earning 800 revenge points.
  • The Father Spider Demon overwhelmed Inosuke and Tanjiro, but Sasuke arrived and killed it with Chidori, while Zenitsu poisoned by the Big Brother Spider Demon defeated it with Thunderclap and Flash: Sixfold Strike.
  • Rui confronted Sasuke, Tanjiro, and Inosuke, then attacked Tanjiro after condemning Nezuko and declaring that he would make the siblings part of his family.
  • Tanjiro used Hinokami Kagura and Nezuko’s Exploding Blood against Rui, but Giyu Tomioka intervened with Dead Calm just as Rui’s threads threatened to kill them.
  • Sasuke stopped Giyu from striking Rui, claimed the Lower Five as his prey, dodged Rui’s contracting thread cage, and burned the demon’s enormous Thread Prison-Heavenly Net with Fire Release: Phoenix Flower Jutsu.
Chapters 51–75 Vol. 1 Read

Ch. 51The Crows' Clamor, a Forced Journey Together

After completing his mission, Sasuke was ordered to travel south with Tanjiro, whom he suspected the Demon Slayer Corps had assigned to watch him. Despite his resentment, Sasuke accepted the order and set off with Tanjiro following behind.

  • Sasuke left the town, troubled by the memory of Nezuko protecting a human and determined to seek stronger demons for Revenge Points.
  • Sasuke's crow and Tanjiro's crow arrived with orders for the two Demon Slayers to rendezvous and proceed south together.
  • Sasuke realized the Corps had arranged the joint mission to monitor his unfamiliar fighting methods.
  • Tanjiro caught up with Sasuke and confirmed that they were meant to work together.
  • Sasuke began walking south without waiting for Tanjiro, who followed him through the morning mist.

Ch. 52Drum Mansion, the Boar-Headed Boy Appears

Sasuke and Tanjiro reached a blood-scented mansion where demons shifted position with each drumbeat. After a dead man was thrown from a window, a boar-headed fighter appeared and challenged Sasuke, leaving Tanjiro unsure whether the stranger was friend or foe.

  • Sasuke and Tanjiro arrived at the mansion and sensed multiple demons inside.
  • Tanjiro comforted two children who said a monster had taken their big brother into the mansion.
  • Sasuke used his Sharingan to track the demons, noticing their positions changed whenever the drums sounded.
  • A man was thrown from a second-floor window and died from a bloody claw wound.
  • A boar-headed fighter jumped from the window, called the newcomers prey, and challenged Sasuke to fight.

Ch. 53Zenitsu Agatsuma, reunited once again

Tanjiro reunited with Zenitsu after the frightened swordsman was thrown from the mansion, while Sasuke and Inosuke prepared to fight. Zenitsu recognized Sasuke and panicked, convinced his presence meant an overwhelmingly powerful demon awaited them inside.

  • Inosuke challenged Sasuke to fight, but Tanjiro tried to stop them and urged them to focus on the demons and trapped people in the mansion.
  • Tanjiro found the battered Zenitsu outside and recognized him from Final Selection.
  • Zenitsu clung to Tanjiro and sobbed about the mansion's shifting rooms, drums, and demons.
  • Zenitsu spotted Sasuke, recognized his former training companion, and screamed that they were doomed because a Demon King-level enemy must be inside.
  • Sasuke watched Zenitsu's panic with irritation and felt an urge to shove Chidori into his mouth.

Ch. 54Headlong Charge, a Reckless Challenger

Inosuke challenged Sasuke to a fight outside the ominous mansion, but Sasuke effortlessly dodged his charge and knocked him unconscious. Sasuke then headed for the mansion and asked if they could go in.

  • Zenitsu panicked while Inosuke singled out Sasuke as the strongest person present and challenged him.
  • Tanjiro tried to stop Inosuke from fighting, but Inosuke ignored him and charged Sasuke with his swords.
  • Sasuke sidestepped Inosuke's attack and knocked him out with a single blow to the back of his neck.
  • Tanjiro and Zenitsu stared in shock as Sasuke turned toward the mansion and asked if they could go in.

Ch. 55Splitting up, forced to team up

Sasuke split from Tanjiro’s group in the shifting mansion and killed the drum demon Kyogai, ending the maze. Tanjiro, Zenitsu, and Hui found Hui’s sister while Inosuke continued fighting lesser demons elsewhere.

  • The mansion’s rooms began shifting, and Sasuke used his Sharingan to read the changes before rushing off alone.
  • Inosuke woke and charged in a different direction, while Tanjiro led Zenitsu and Hui through the maze to search for Hui’s sister.
  • Sasuke tracked the drumbeats to a hidden chamber and found Kyogai controlling the mansion’s space.
  • Kyogai attacked with a sonic shock wave, but Sasuke broke through the doors and killed him with Chidori.
  • The mansion returned to normal, and Tanjiro, Zenitsu, and Hui found the frightened girl as Inosuke fought lesser demons elsewhere.

Ch. 56The Wisteria House, a Brief Respite

After completing their mission, Sasuke, Tanjiro, Inosuke, and Zenitsu went to a Wisteria House to recover. Inosuke recognized Sasuke’s superior skill and resolved to defeat him as Sasuke quietly cared for his blade.

  • Sasuke, Tanjiro, Inosuke, and Zenitsu left the mansion with the two rescued children after Messenger Crows ordered them to rest and recover.
  • The group arrived at a Wisteria House, where a kind old woman welcomed them and provided food, clean clothes, and beds.
  • Inosuke grabbed at Sasuke’s tempura, but Sasuke stopped his wrist with his chopsticks and forced him to back down.
  • Unable to sleep, Inosuke watched Sasuke wipe his wakizashi and resolved to defeat him.

Ch. 57War at the Dinner Table: Strength and Rules

After a lavish dinner, Inosuke tried to steal food from Sasuke, who stopped him with a precise chopstick hold and warned him not to reach over again. Inosuke backed down, and the team’s unwritten rules were established.

  • The boys ate the old woman's lavish dinner, while Inosuke grabbed food from Zenitsu’s and Tanjiro’s plates.
  • Inosuke reached for a mushroom on Sasuke’s plate, and Sasuke trapped his wrist with his chopsticks.
  • Sasuke warned Inosuke not to reach over again, then released him.
  • Inosuke returned to his seat and ate from his own plate, while Tanjiro recognized that new rules had been established among the team.

Ch. 58The mask removed, and the pride seen through

Inosuke challenged Sasuke to a fair fight after refusing to accept his earlier defeat at the dinner table. Sasuke easily disarmed and defeated him, knocking off his boar mask and leaving him with a blunt criticism of his fighting style.

  • Inosuke confronted Sasuke in the Wisteria House courtyard and demanded a fight, while Tanjiro and Zenitsu tried to stop him.
  • Sasuke accepted the challenge and used a wooden practice sword as Inosuke attacked with Beast Breathing.
  • Sasuke evaded Inosuke’s strikes with minimal movements until Inosuke abandoned technique and charged wildly.
  • Sasuke tapped Inosuke’s blade aside, struck his abdomen, and kicked off his boar mask.
  • Sasuke held the wooden sword to Inosuke’s throat and told him that relying only on instinct and leaving openings would keep him from becoming strong.

Ch. 59A late-night conversation, a wavering avenger

At the Wisteria House, Sasuke overheard Tanjiro encouraging Zenitsu and speaking about the grief Sasuke had tried to hide. Tanjiro’s words stirred memories of Sasuke’s lost family and left a small crack in his hardened resolve.

  • Sasuke practiced chakra control alone while dismissing Tanjiro, Zenitsu, and Inosuke as weak and irritating.
  • Hearing Zenitsu fear the next mission, Sasuke paused to listen as Tanjiro admitted he was afraid but kept fighting to protect Nezuko.
  • Tanjiro explained that Nezuko was his only family and that he had promised to turn her human, reminding Sasuke of his murdered family and clan.
  • Tanjiro told Zenitsu that Sasuke carried the sadness of someone who had lost everything, and Sasuke reacted with shock and anger.
  • Tanjiro urged Zenitsu to become stronger to protect what mattered, while Sasuke listened and felt a crack in his revenge-hardened heart.

Ch. 60Scars of Their Own, Dark Clouds over Mount Natagumo

After recovering at the Wisteria House, Tanjiro, Zenitsu, Inosuke, and Sasuke set out again as Demon Slayers. Messenger Crows sent them to Mount Natagumo after reporting heavy casualties and lost contact with Corps members, and Sasuke charged ahead toward the mountain.

  • The old woman saw Tanjiro, Zenitsu, Inosuke, and Sasuke off after their wounds healed, giving them flint for a safe journey.
  • Sasuke reflected that Tanjiro's desire to protect his family stirred buried memories, but he remained focused on gaining power for revenge.
  • Zenitsu mourned leaving the Wisteria House while Inosuke challenged Tanjiro to race and avoided Sasuke.
  • Four Messenger Crows ordered the group to Mount Natagumo, reporting heavy casualties and lost contact with multiple Corps members.
  • Zenitsu panicked, Inosuke eagerly welcomed the prospect of fighting powerful demons, and Sasuke set off toward Mount Natagumo alone.

Ch. 61Into the mountain! The bloodstained forest of spider silk

Tanjiro, Sasuke, Zenitsu, and Inosuke reached Mount Natagumo, where a dying Demon Slayer warned that their comrades were killing each other. Sasuke used his Sharingan to trace invisible threads into the forest and headed off alone to find their source.

  • Tanjiro and the others arrived at Mount Natagumo, where Zenitsu feared the sounds within while Inosuke eagerly sensed powerful presences.
  • A wounded Demon Slayer stumbled out of the forest, warned that the Corps members were killing each other, and died before he could explain further.
  • Zenitsu fainted, while Sasuke activated his Sharingan and saw energy threads leading into the mountain forest.
  • Inosuke rushed into the forest, and Tanjiro followed him to rescue the missing Demon Slayers.
  • Sasuke left Zenitsu behind and took a different route, intending to confront the source of the threads.

Ch. 62Dance of the Puppets, the Threads Seen Through

Sasuke used his Sharingan to spot the threads controlling the Demon Slayer Corps members and incapacitated them without killing them. He left Tanjiro and Inosuke to watch over the fallen fighters as he went deeper into the forest toward the source of the threads.

  • Tanjiro, Inosuke, and Sasuke entered the mountain forest, where Sasuke saw invisible threads spread through the trees and ground.
  • Several controlled Demon Slayer Corps members attacked Tanjiro and Inosuke, while Tanjiro tried to avoid harming them.
  • Sasuke stepped in, blocked an attack aimed at Tanjiro, and used his Wakizashi to sever the threads controlling the swordsmen.
  • Sasuke incapacitated all the controlled fighters and told Tanjiro and Inosuke to stay behind with them.
  • Sasuke headed into the forest toward the source where the threads converged.

Ch. 63Parting ways, each to his own prey

After Sasuke freed the Demon Slayer Corps members, Inosuke rushed off to challenge a stronger presence, while Tanjiro stayed to tend the wounded. Tanjiro then followed a third path toward the evil demonic scent at the mountain’s heart.

  • Sasuke vanished after freeing the unconscious Corps members, leaving Tanjiro stunned by his words and actions.
  • Inosuke angrily charged into the forest, determined to defeat the stronger enemy he sensed on the mountain.
  • Tanjiro stayed behind, bandaged the injured Corps members, and secured Nezuko’s box on his back.
  • Tanjiro followed the powerful demonic scent toward the flank of the mountain’s source, choosing to fight and save people.

Ch. 64A Mother's Despair, the Merciless Fire Dragon

Sasuke tracked Mother to a forest clearing and killed her after burning her spiderweb and puppets with his Dragon Fire Technique. He then looked deeper into Mount Natagumo, where stronger demons remained.

  • Sasuke followed the threads to Mother, who panicked over her failures and feared punishment from Rui and another person.
  • Mother spotted Sasuke and sent dozens of dead Demon Slayer Corps members under her control to attack him.
  • Sasuke used Fire Release: Dragon Fire Technique to ignite the spider thread and burn Mother's puppets and defenses.
  • Sasuke decapitated Mother with his wakizashi and received 800 revenge points for the kill.
  • Sasuke sensed stronger presences deeper in Mount Natagumo and turned toward them.

Ch. 65A Father's Fury, the Giant's Shadow

Tanjiro and Inosuke encountered the enormous Father Spider Demon, whose strength far surpassed any Demon they had faced. After the demon shattered Inosuke’s blades and knocked him away with one punch, Tanjiro stood his ground to protect Nezuko’s box.

  • Tanjiro worried about Inosuke and Sasuke as he traveled alone through the forest, then met Inosuke, who had been fighting smaller Demons.
  • Tanjiro offered Inosuke a rice ball, but a tremendous crash interrupted them as the Father Spider Demon emerged from a crater.
  • Inosuke charged the Father Spider Demon with Beast Breathing, Third Fang: Devour, but his blades broke against its skin.
  • The Father Spider Demon struck Inosuke with a single punch and sent him crashing through trees.
  • Tanjiro faced the Father Spider Demon while gripping his broken Nichirin Blade and shielding Nezuko’s box.

Ch. 66The limits of Water Breathing, an impenetrable defense

Tanjiro tried to protect the unconscious Nezuko and Inosuke from the Father Spider Demon, but his strongest available strike could not pierce its skin. Injured and disarmed, he lay helpless as the demon reached for him.

  • The Father Spider Demon turned toward Tanjiro after knocking Inosuke away, leaving Tanjiro to guard the unconscious Nezuko and Inosuke.
  • Tanjiro used Water Breathing, Fourth Form: Striking Tide, against the demon’s arm.
  • The blade bounced off the demon’s skin, leaving only a faint mark and throwing Tanjiro into a tree.
  • Tanjiro spat blood as his broken blade fell beside him and the Father Spider Demon advanced.
  • Tanjiro’s consciousness began to fade as the demon reached down to crush him.

Ch. 67Lightning intervened, absolute defense pierced

Sasuke intervened just as the Father Spider Demon was about to kill Tanjiro, piercing the demon’s arm and then evading its attacks with his Sharingan. He finished the fight by decapitating the demon with Chidori, while Tanjiro watched in shock.

  • Tanjiro nearly died beneath the Father Spider Demon's hand before Sasuke appeared and pierced the demon's arm with black lightning.
  • Sasuke told Tanjiro to get out of the way, then dodged the demon's furious attacks with minimal movements.
  • The Father Spider Demon abandoned defense and raised both fists for a crushing blow, exposing an opening.
  • Sasuke vanished behind the demon and used Chidori to cut through its neck.
  • The Father Spider Demon’s head and body turned to ash as Sasuke stood over the remains.

Ch. 68Another battlefield, a slumbering Thunderclap and Flash

On Mount Natagumo, Zenitsu Agatsuma was poisoned by the Big Brother Spider Demon and fell asleep from fear, triggering his unconscious fighting instincts. He killed the demon with Thunderclap and Flash: Sixfold Strike, then collapsed as the poison’s effects spread.

  • Zenitsu fled up a tree to escape the human-faced spiders and spotted the Big Brother Spider Demon on a suspended wooden house.
  • The Big Brother Spider Demon poisoned Zenitsu and described how the venom would turn him into a spider.
  • Terrified, Zenitsu scrambled to the treetop, fell asleep, and took up a calm fighting stance as his master Jigoro Kuwajima’s words echoed in his mind.
  • Zenitsu used Thunderclap and Flash: Sixfold Strike to race around the demon and cut through its neck.
  • Zenitsu woke confused after killing the demon, then screamed in pain as the poison took full effect and he collapsed.

Ch. 69The Presence of Lower Rank Five, the True Ruler

Sasuke, Tanjiro, and Inosuke sensed a powerful demon approaching after the Father Spider Demon turned to ash. Rui, Lower Five of the Twelve Kizuki, appeared and demanded to know why they had disturbed his family’s peaceful life.

  • The Father Spider Demon turned to ash, and Tanjiro and Inosuke recovered from their injuries as Sasuke prepared to search the forest.
  • Sasuke and Tanjiro sensed a terrifying presence approaching, while Inosuke’s instincts filled him with fear.
  • Rui emerged from the forest, and Tanjiro recognized the Lower Five rank engraved in his eye.
  • Rui looked past Sasuke at Tanjiro and asked why they had come to disturb his family’s peaceful life.

Ch. 70Twisted bonds, kindness enraged

On Mount Natagumo, Rui tortured the Spider Demon posing as his older sister and declared that Tanjiro and Nezuko should join his family. Tanjiro defied him, while Sasuke assessed Rui’s threads as Rui prepared to attack.

  • Rui praised Sasuke’s unusual eye, and the Spider Demon posing as his older sister returned after fleeing the Hashira.
  • Rui punished her for failing her role by binding and torturing her with nearly invisible threads.
  • Tanjiro condemned Rui’s fear-based idea of family, and Sasuke studied the threads and considered ways to counter them.
  • Rui mocked Tanjiro for carrying Nezuko, then said he would kill the others and make Tanjiro and Nezuko his new family.
  • Tanjiro vowed to protect Nezuko and refused Rui, who gathered threads at his fingertips and threatened to kill him.

Ch. 71A dance of blood and fire, the Nichirin Blade breaks

Tanjiro’s Water Breathing failed against Rui’s steel-hard threads, and his Nichirin Blade broke. Driven by memories of his father’s kagura, Tanjiro awakened Hinokami Kagura, while Nezuko used Exploding Blood to weaken Rui’s threads, leaving Tanjiro’s fiery strike rushing toward Rui’s neck.

  • Rui trapped Tanjiro in a web of threads that Tanjiro’s Water Breathing could not cut.
  • Tanjiro’s damaged Nichirin Blade snapped as he attacked Rui’s threads, leaving him facing death with only half a blade.
  • Remembering his father’s kagura and breathing, Tanjiro used Hinokami Kagura: Dance to sever several threads.
  • Nezuko awakened her Blood Demon Art, Exploding Blood, and set the threads around herself and Tanjiro ablaze.
  • Tanjiro combined Hinokami Kagura with Nezuko’s flames and charged at Rui with a strike aimed at his neck.

Ch. 72A Desperate Reversal, a Hashira Arrives

Tanjiro exhausted himself trying to kill Rui, but Rui revealed that he had severed his own head and survived. As Rui's red thread cage closed around Tanjiro and Nezuko, a Hashira appeared and stopped the threads with Water Breathing, Eleventh Form: Dead Calm.

  • Tanjiro's burning blade failed to cut Rui's reinforced neck, and Rui mocked his attempt while demanding Nezuko.
  • Rui unleashed a red thread cage around Tanjiro and the unconscious Nezuko as Tanjiro ran out of strength.
  • Tanjiro gave up resisting and shielded Nezuko with his body, expecting the threads to kill them.
  • A man in a two-patterned haori appeared and made Rui's threads vanish before they could reach him.
  • The man used Water Breathing, Eleventh Form: Dead Calm, revealing the power of a Hashira.

Ch. 73"This prey is mine"

Giyu Tomioka used Dead Calm to nullify Rui’s threads and prepared to kill Lower Rank Five, but Uesugi Sasuke appeared between them and claimed Rui as his prey. Rui attacked Sasuke in a rage as Giyu and Tanjiro watched.

  • Giyu Tomioka’s Dead Calm dissolved Rui’s threads, leaving Tanjiro stunned by the Hashira’s control.
  • Giyu raised his Nichirin Blade to finish Rui while Rui tried to unleash his Blood Demon Art again.
  • Uesugi Sasuke appeared between Giyu and Rui, stopping Giyu’s strike with his Wakizashi still sheathed.
  • Sasuke told Rui, “This Lower Rank is my prey,” revealing a blood-red eye with two black tomoe.
  • Rui furiously sent countless red threads at Sasuke, while Giyu watched Sasuke ignore him completely.

Ch. 74Sharingan vs. Blood Demon Art: Everything Seen Through

Rui unleashed his strongest Blood Demon Art against Sasuke, but Sasuke used his Sharingan to see through the threads and evade them with tiny movements. Rui was left terrified after Sasuke emerged completely unharmed and called his attack too slow and full of gaps.

  • Rui poured his strength into a vastly stronger Blood Demon Art, forming a contracting cage of razor-sharp threads around Sasuke.
  • Tanjiro feared the attack was inescapable, while Giyu Tomioka prepared to intervene as Sasuke stood still without drawing his sword.
  • Sasuke used his two-tomoe Sharingan to perceive the threads’ trajectories and gaps, then dodged them with movements too small and fast for anyone to see.
  • Rui celebrated the apparent kill, but Sasuke remained unharmed at the center of the devastated battlefield.
  • Sasuke told Rui that his threads were too slow and their gaps too large, leaving Rui afraid as he realized Sasuke had seen through his Blood Demon Art.

Ch. 75Fire Release's advantage, the burning web

Sasuke faced Rui’s strongest Blood Demon Art without drawing his sword and destroyed the demon’s immense net with Fire Release: Phoenix Flower Jutsu. Rui’s power and confidence crumbled, leaving him terrified as the burned web fell to ash.

  • Rui grew enraged after Sasuke effortlessly nullified his attacks and dismissed him as prey.
  • Rui unleashed Blood Demon Art: Thread Prison-Heavenly Net, creating an enormous blood-red web that descended on Sasuke.
  • As the net was about to hit him, Sasuke formed hand seals and used Fire Release: Phoenix Flower Jutsu.
  • Sasuke’s fireballs struck the web’s junctions, spreading flames through the threads and consuming Rui’s power.
  • The web burned into ash, and Rui trembled with fear as Sasuke remained completely unharmed.
Arc 3 of 13