Chapter Summaries

Little Muzan’s forces captured Washington’s leaders and uncovered evidence of horrific human experiments and a secret island where children were abused by powerful Western elites. After Tetsuhiro ordered the laboratories shut down and their records secured, Kagaya assigned Tanjiro’s team to rescue the children on Lolita Island and arrest everyone involved.

• Little Muzan found Washington’s leaders missing, but Hatake Shinha and the Covert Operations Squad brought them back after intercepting their escape.
• Shinha interrogated the captives and uncovered human experiments, hidden laboratories, and the secret Island of Sin.
• Tetsuhiro ordered the children rescued, the evidence gathered, the island destroyed, and the offenders punished.
• Shinnō, Orochimaru, Tsunade, and others raided laboratories, freed test subjects, seized records, and took technical personnel into custody.
• Tanjiro, Inosuke, Kanao, Zenitsu, and Nezuko volunteered to rescue the children, and Kagaya appointed Tanjiro to lead the mission to Lolita Island.

Tanjiro and the Demon Slayer team raided Epstein’s island, where they found a torture chamber and five abused children locked in cages. Nezuko realized one child might be in critical psychological danger and called for Tanjiro and a psychologist.

• Tanjiro and his companions reached Lolita Island and fought through the armed guards.
• Tanjiro killed Epstein’s three bodyguards, while Zenitsu and Inosuke defeated the men protecting Epstein and Inosuke wounded him as he tried to escape.
• Nezuko entered the basement and discovered a torture chamber filled with signs of horrific abuse.
• Nezuko found three girls and two boys locked in cages, all badly injured and terrified.
• Nezuko noticed one boy was unresponsive, called for a psychologist, and asked the Hidden Corps to bring Tanjiro.

Tanjiro and the others rescued abused children and gathered evidence of powerful people’s crimes, prompting Li Tetsuhiro to order severe punishment and comprehensive care for the victims. As his orders spread, opponents stirred unrest against the Empire, and Tetsuhiro ordered a crackdown.

• Tanjiro, Inosuke, and the Hidden Corps discovered seventeen abusers, human remains, and evidence of decades of crimes at the villa.
• Nezuko found abused children in a basement, and Tanjiro stopped Inosuke from killing Epstein so he could face judgment.
• Li Tetsuhiro ordered the perpetrators punished, arranged medical and psychological care for the children, and established support and education for orphans.
• Opponents secretly organized propaganda and unrest against the Empire, prompting Tetsuhiro to deploy security forces and Cyber Police to arrest organizers and suppress the disturbances.

The Empire held a worldwide public trial, announced plans for a unified world, and punished the criminals and conspirators who resisted the new order. Half a month later, armed resistance had been crushed, but the work of building the future was only beginning.

• Hiruzen Sarutobi exposed the crimes of the arrested officials and Lolita Island villains, and Tobirama Senju sentenced them to a year of torture before transforming them into demons and exiling them to Ten Thousand Beasts Island.
• Tetsuhiro announced the world's unification, two five-year plans, public welfare programs, and strict oversight of government and political offices.
• The Empire rewarded Alex, Silver P-, Redneck John, and others, while Yuanli, Zhen Zhong, Landlord, and Donut escorted the criminals away for punishment.
• Half a month later, Tanjiro watched children at the Rehabilitation Institution, while Kagaya Ubuyashiki coordinated the purge and the Demon Slayer Corps and Covert Operations Squad hunted remaining enemies.
• Hatake Shinha's Covert Operations Squad caught a DuPont Family plot to incite a New York riot, and the Empire punished its ringleaders and accomplices.
• The Empire crushed armed resistance in half a month, but the struggle to build the new order remained ahead.

Over six months, the Empire transformed the Americas through universal education, healthcare, housing, work, and equal protection under the law, while security and living conditions improved. Li Tetsuhiro remained away in the Han Realm, and Yozai and the others continued governing as they awaited his return and worked to restore the Hashira.

• The Empire established free schools and adult literacy classes, expanded public healthcare, and enforced equal treatment under the law.
• Native Americans regained stolen land, Latin American immigrants found stable jobs and services, and Black civilians gained equal access to public life and professions.
• Public safety improved as violence, gangs, theft, and homelessness were nearly eradicated across the transformed society.
• Half a year later, Yozai and the others continued handling government affairs in Weiyang Palace while Li Tetsuhiro remained away.
• Genya left a broken bamboo flute from the former Infinity Castle with Yozai, who read reports of the Americas' progress and wondered when Li Tetsuhiro would return.
• Yozai urged the younger attendants to finish their reviews and hoped that Tobirama, Shinnō, Orochimaru, and Tsunade would restore the Hashira's depleted bodies.

Tetsuhiro returned to Duel Academy and stopped Chazz Princeton’s Society of Light from spreading by absorbing the Light of Ruin. He reunited with Yugi and Anzu, who told him that several of his former friends had become part-time instructors while waiting for him.

• Tetsuhiro arrived at Duel Academy, where students and a security guard mistook him for an intruder.
• The guard explained that Chazz Princeton had been forcing defeated students to join the Society of Light.
• Chazz Princeton challenged Tetsuhiro, but Tetsuhiro intimidated him and absorbed the Light of Ruin, freeing him from its influence.
• Yugi Muto arrived, recognized Tetsuhiro as his teacher, and welcomed him back.
• Anzu Mazaki reunited with Tetsuhiro and said Principal Samejima had hired her and the others as part-time instructors.

Tetsuhiro reunited with Mai Valentine and his former students at Duel Academy, then learned that Aster had likely been brainwashed by Sartorius. As a brilliant light erupted from the Duel Arena, Tetsuhiro headed there to confront the situation, while Principal Samejima realized the danger had unfolded under his watch.

• Mai Valentine rushed into Tetsuhiro's arms, and they kissed before he greeted Joey Wheeler, Hiro Taylor, Miho, Bakura Ryou, Yugi, and Anzu.
• Tetsuhiro learned that Yugi ranked second, Anzu ranked twelfth, and he himself remained first among the former students.
• Tetsuhiro asked about Aster and Jaden Yuki, then concluded from the Society of Light and Chazz Princeton's behavior that Aster was probably brainwashed by Sartorius.
• Principal Samejima and the academy staff greeted Tetsuhiro, who told them to return to their duties rather than disrupt classes.
• A bright light erupted from the Duel Arena, and Tetsuhiro learned that Aster and Jaden were dueling while Jun Manjoume and the Society of Light were also reportedly brainwashed.

Jaden defeated Aster in their duel, and Tetsuhiro removed the Light of Ruin that had been controlling him. Aster recovered but could not remember what happened or reveal where Sartorius was, leaving the search for him unresolved.

• Tetsuhiro and the others arrived as Jaden and Aster dueled, and Tetsuhiro told them to let the match continue.
• Jaden summoned Elemental HERO Magma Neos and used his cards to overcome Aster’s defenses and reduce his Life Points to zero.
• Tetsuhiro used dark energy to absorb the Light of Ruin from Aster, while Dark Yugi explained that the light controlled people and warned Yugi to be careful.
• Aster regained his senses and said he remembered finding Sartorius and losing, but did not know what happened afterward or where Sartorius was.
• Tristan Taylor and Miho began explaining to Asuka and her companions why they were searching for Sartorius.

Tetsuhiro ended the Society of Light’s threat, reunited with Yami Yugi and his friends, and met Duel Academy’s promising students. He approved a GX World Professional Duel Tournament for the following week to draw Sartorius out and give the students experience.

• Principal Samejima proposed using a GX World Professional Duel Tournament to lure Sartorius, and Tetsuhiro scheduled it for the following week with help from Maximillion Pegasus and Seto Kaiba.
• Tetsuhiro asked Maya to invite duelists widely, including Chigusa and Rein, and urged the students to prepare for the tournament.
• Tetsuhiro absorbed the remaining power of the Light of Ruin, freeing the brainwashed students, then reunited with Yami Yugi, Joey Wheeler, and the others.
• Yami Yugi recounted how the group had protected Duel Academy and introduced Jaden Yuki, Syrus Truesdale, Chazz Princeton, Atticus Rhodes, Asuka, Daichi Misawa, and Tyranno Kenzan to Tetsuhiro.
• Jaden explained Kenzan’s nickname, “first-year Benkei,” prompting the assembled group to laugh.

Tetsuhiro celebrated Duel Academy’s students and spent a week visiting friends before returning to watch a badge tournament. As the competition continued, Professor Cobra reported to Tetsuhiro and the academy’s leaders, but Tetsuhiro stopped him before he could leave.

• Tetsuhiro praised the students, ordered a banquet, and shared stories from the Demon Slayer World with Yugi and the others.
• Tetsuhiro visited Pegasus, Seto Kaiba, the Higher-Dimensional Space, Egypt, and the Future World before returning to Duel Academy a week later.
• Seto Kaiba defeated Yako with Blue-Eyes Ultimate Dragon, while Yugi Muto defeated the other Yako; many other Duelists also collected badges.
• Tetsuhiro watched the tournament’s progress with Chairman Kagemaru, Principal Samejima, Daitokuji, and Sugoroku Muto in the conference room.
• Professor Cobra reported on the tournament and respectfully withdrew, but Tetsuhiro told him to wait.

Tetsuhiro identified Cobra as connected to a supernatural power and revealed that Jaden was its true bearer, then absorbed the Light of Ruin when Takuma Saiou unleashed it across the world. As Jaden challenged Saiou, Tetsuhiro transformed and began devouring the spreading light, while Saiou watched in disbelief.

• Tetsuhiro encouraged Professor Cobra and secretly placed a black technique formula on his shoulder before Cobra left to check on something.
• Tetsuhiro told Sugoroku, Kagemaru, Samejima, and Daitokuji that Jaden possessed the supernatural power and was destined to become a top-tier expert.
• The Light of Ruin flooded a surveillance feed, and Tetsuhiro absorbed the light before warning the others not to watch the feeds.
• Tetsuhiro flew above the island and swept the Light of Ruin out of people's bodies, but Takuma Saiou turned over the World card and spread the light across the world.
• Yugi, Kaiba, Jaden, and Jesse resisted the light's control, and Jaden challenged Saiou with Neos beside him.
• Tetsuhiro activated Tenseigan Mode and used Attractive Force to draw the worldwide Light of Ruin into himself, leaving Saiou stunned.

Jaden challenged Sartorius to a duel for his key to the laser satellite while Tetsuhiro absorbed the remaining Light of Ruin and freed the controlled people. Jaden turned the duel around by summoning Elemental HERO Grand Neos, whose effect threatened to return Sartorius’s Ruler of Light to his hand.

• Jaden challenged Sartorius, who accepted the duel with the laser satellite key as the stakes.
• Tetsuhiro absorbed the Light of Ruin as his monsters devoured it, then used chakra to wake the controlled people.
• Sartorius summoned Arcana Force EX-Ruler of Light, destroyed Jaden’s Elemental HERO Neos, and reduced Jaden’s Life Points to 300.
• Jaden used Fifth Hope to draw three cards, activated Neo Space, and summoned Elemental HERO Grand Neos through Contact Fusion.
• Jaden activated Grand Neos’s effect, and its Heavy Drill began pulling Sartorius’s Ruler of Light toward a black hole.

Jaden defeated Sartorius, but a monstrous being revealed itself as the force behind the danger before Tetsuhiro devoured it. Sartorius returned to his innocent self and reunited with Aster, while two shadowy figures appeared beside him.

• Sartorius used Reverse of Fate to weaken Ruler of Light and destroy Jaden's Elemental HERO Grand Neos, but Jaden revived Elemental HERO Neos and destroyed Ruler of Light, reducing Sartorius's Life Points to zero.
• A monstrous face emerged from the vanishing cosmic field and attacked Duel Academy, overpowering the group until Tetsuhiro appeared and devoured it.
• Tetsuhiro dismissed the creature as Dnrkenss, then shook Jaden's hand and encouraged him to keep his blazing heart despite future hardships and farewells.
• Sartorius woke with his innocent personality restored, recognized Aster, and embraced him as they apologized to each other.
• Two shadowy figures, one tall and one short, appeared in the air beside Sartorius.

After Sartorius was defeated, the tournament resumed, but duelists began collapsing from mysterious energy drained through their wristbands. Dark Yugi sent students to investigate Professor Cobra, while Tetsuhiro sensed activity beneath the mountain and an unknown person confronted Cobra and the enormous eye.

• Misuzuchi explained that the Light of Ruin had manipulated Sartorius, and Noah reported that he had secured the Laser Satellite and needed help managing the network.
• Tetsuhiro assigned Misuzuchi, the Kaiba Brothers, and the Chigusa brothers to assist Noah, then announced Sartorius's defeat and restarted the tournament.
• Jaden and the other duelists noticed that their matches left them exhausted, and Dark Yugi suspected the wristbands Professor Cobra had distributed were responsible.
• Axel reported strange electromagnetic waves near the mountain and said he had seen yellow energy leave a wristband and snake-like pupils in Kenzan.
• Dark Yugi divided the group to report the danger and investigate Professor Cobra, while Tetsuhiro sensed intense energy beneath the mountain.
• Professor Cobra spoke with an enormous eye that promised to revive Rick and threatened the students; an unknown person appeared, and the eye hid itself.

Amon fought Professor Cobra in the underground complex, but a mysterious card’s power let Cobra defeat and trap him. Meanwhile, Jaden’s group rescued Jim, pursued Cobra, and entered the next area, unaware that Dark Energy was enveloping Amon.

• Amon confronted Professor Cobra and fought him without using cards, but Cobra’s strength overwhelmed him after a yellow light burst from the incubation chamber.
• Professor Cobra gained dark red scales on his fist, pinned Amon to the wall, and left to confront Jaden’s group with the card’s power.
• Jim escaped imprisonment, joined Jaden’s group, and was helped by Jaden and Jesse despite having been their enemy.
• Jaden’s group saw Professor Cobra leave by elevator and chased him, while Amon remained trapped as Dark Energy surrounded him.
• Joey Wheeler randomly pressed buttons on the control panel, opening the door so the group could continue.

Tetsuhiro arrived at the Duel Arena as Jaden faced Professor Cobra, who threatened the students and challenged him to a duel. After Cobra revealed his Venom Deck and boasted that he could defeat Tetsuhiro, Tetsuhiro effortlessly stopped him and left him struggling to break free.

• Professor Cobra raised the students high above the ground and challenged Jaden to a duel, so Jaden agreed to protect everyone.
• Tetsuhiro flew to the Duel Arena with Yugi, Bakura, and Kaiba, and explained card spirits and Dark Energy to the students.
• Professor Cobra activated Venom Swamp, and Tetsuhiro used Repulsive Force to keep the people outside the arena above the spreading swamp.
• Professor Cobra taunted Tetsuhiro and claimed he could knock him from his pedestal, so Tetsuhiro struck him off the platform and brought him back in an instant.
• Professor Cobra swung at Tetsuhiro, but Tetsuhiro stopped his fist with one finger while Jaden and the others watched in shock.

Tetsuhiro rescued Amon from the darkness controlling him and challenged his ideal of eliminating suffering, giving him a red book to study. He then confronted Yubel, revealed knowledge of its plan to absorb the Twelve Worlds, and urged it to send him and the others onward.

• Tetsuhiro exhausted Professor Cobra in their strength contest, then remembered Amon and flew down to search for him.
• Tetsuhiro found Amon bound in a secret chamber and used Exodia to burn away the giant eye's dark energy and free him.
• Tetsuhiro questioned Amon's dream of creating a world without suffering and gave him a red book about a great ordinary man's ideas.
• Tetsuhiro called out Yubel and tempted it with the prospect of being united with Jaden forever.
• Tetsuhiro revealed that Yubel planned to absorb the Twelve Worlds and told it to send them onward, while Yubel hid and focused on restoring Professor Cobra.

Professor Cobra revealed that he was controlled by the crimson eye and sought to resurrect Rick, then continued his Duel against Jaden with the Snake Deity’s deadly poison effect. Jaden weakened the Deity with Dark Brightman, but Cobra revived her and destroyed Dark Brightman, leaving Jaden’s counterattack ineffective.

• Jesse saw the crimson eye controlling Professor Cobra, who explained that he wanted to resurrect Rick after losing him in a car accident.
• Cobra provoked Kaiba by insulting his bond with Mokuba, but Kaiba’s friends restrained him while Cobra returned to the Duel.
• Jaden destroyed Vennominon the King of Poisonous Snakes, and Cobra used Rise of the Snake Deity to summon Vennominaga the Deity of Poisonous Snakes.
• Cobra’s Snake Deity destroyed Jaden’s Wildedge, reducing Jaden to 300 Life Points and poisoning him with a three-turn deadline.
• Jaden summoned Dark Brightman and used Necroshot to weaken the Snake Deity before attacking it and reducing Cobra’s Life Points.
• Cobra revived the Snake Deity, strengthened her with Snake Rain, and destroyed Dark Brightman, whose destruction effect vanished before reaching her.

Jaden defeated Professor Cobra by destroying Vennominaga, but a glowing figure revealed itself as the force behind Cobra’s actions and invited Jaden to the New World. As the figure repelled Kaiba from the platform, the others faced a new threat.

• Jaden regained his resolve, summoned Magma Neos, and destroyed Vennominaga, reducing Professor Cobra’s Life Points to zero.
• The glowing energy from Jaden and Cobra formed a childlike figure, which showed Cobra an illusion of the day he saved Rick from a truck.
• Cobra walked off the platform under the figure’s influence, but Tetsuhiro used the Flying Thunder God Technique to rescue him and bring him back beside Jaden.
• Cobra mourned Rick, while Tetsuhiro told him the glowing figure was fake and held up a glass chamber containing an arm.
• The figure invited Jaden to go with it to the New World, and Jesse warned everyone that it had controlled Cobra.
• Kaiba attacked the figure after accusing it of cursing Mokuba, but its shock wave sent him flying off the platform.

Little Light Man transported the academy and everyone on the island to the Spirit World, where card spirits took physical form. After helping Jaden recover and rescuing Amon, Tetsuhiro subdued a rogue Harpie Lady with a word.

• Kaiba summoned Blue-Eyes White Dragon to clash with Little Light Man’s attack, while Dark Yugi joined the fight and Little Light Man engulfed the island in white light.
• Everyone awoke in a desert beneath three suns and a dark green sky, and Dark Yugi identified the place as the Spirit World.
• Kuriboh, Winged Kuriboh, Dark Magician Girl, Blue-Eyes White Dragon, and Flame Swordsman appeared physically, while Tetsuhiro restored much of Jaden’s stamina.
• Tetsuhiro retrieved Amon from the underground Chamber of Secrets and flew with the group toward the academy, carrying the unconscious Professor Cobra.
• Jim spotted Harpie Lady carrying Professor Crowler and Professor Napoleon, and Tetsuhiro made her submit and release them.