Chapter Summaries

Duanmu Huai and Mash entered the cave to confront Saber, whom the blue-haired man identified as King Arthur. Duanmu Huai overwhelmed Saber with his warhammer and magecraft, killing her beneath his final blow.

• The blue-haired man offered to deal with Archer and revealed that Saber wielded Excalibur, identifying her as King Arthur.
• Duanmu Huai and Mash entered the cavern and found Saber, a woman in black armor, waiting above a glowing magical crater.
• Duanmu Huai dismissed the revelation about King Arthur and challenged Saber to fight.
• Duanmu Huai battered Saber with his Thunder Warhammer and used magecraft to block her attacks and limit her movement.
• Duanmu Huai knocked Saber's sword from her hands and killed her with a final blow from his warhammer.

Duanmu Huai defeated SABER and claimed the Holy Grail, then confronted Lev Lainur Flauros, who revealed that humanity had already perished and Chaldea would soon vanish. Lev transformed into Demon God Flauros, but Duanmu Huai destroyed him with his Chainsaw Sword and Black Blazing Flame.

• Duanmu Huai killed SABER, and the Holy Grail flew up to Lev Lainur Flauros.
• Lev revealed that humanity had perished and that Chaldea would disappear after 2015.
• Duanmu Huai attacked Lev and beat him to death, prompting him to transform into Demon God Flauros.
• Duanmu Huai charged the Demon Pillar with his Chainsaw Sword and Black Blazing Flame, eventually engulfing and destroying it.
• Mash watched in shock as Duanmu Huai emerged from the Black Blazing Flame.

After Chaldea’s surviving staff confirmed that the world outside had been destroyed, Duanmu Huai proposed using the Holy Grail to restore humanity, and Roman began preparing to target another Singularity. The next morning, Roman gave Duanmu Huai Saint Quartz so he could summon a Heroic Spirit, and Duanmu Huai stood ready to try his luck.

• Roman explained that Chaldea had survived the destruction of the outside world, but repairing Singularity F had not changed the future.
• Duanmu Huai suggested using the Holy Grail to restore history, and Roman agreed to target it while preparing the next mission.
• Duanmu Huai checked his system and found that the Humanity Restoration mission had activated, though his fleet could not reach Chaldea through the Warp Space Storms.
• The next morning, Mash brought Duanmu Huai to the control room, where Roman said Chaldea had locked onto another Singularity.
• Roman gave Duanmu Huai Saint Quartz recovered where he had defeated Lev and explained that it could summon a Heroic Spirit.
• Duanmu Huai entered the Summoning Chamber and prepared to use the Saint Quartz for a ten-pull.

Duanmu Huai summoned Medea, a Caster skilled in healing and support, then learned about the Holy Grail War and the Root. The group transferred to Fuyuki City in 1995 to investigate the Fourth Holy Grail War, and Medea proposed searching for magi by following ley lines to their workshops.

• Duanmu Huai used his Saint Quartz to summon Medea, who introduced herself as a Caster specializing in healing and support magic.
• Duanmu Huai, Mash, and Doctor Roman discussed the Holy Grail War and the Root, while Duanmu Huai suspected the Root might be connected to Warp Space.
• Doctor Roman identified Fuyuki City in 1995 as the next Singularity, the site of the Fourth Holy Grail War.
• Duanmu Huai and the others transferred to the bustling city, where Mash excitedly explored its modern conveniences.
• Medea suggested following ley lines to locate magi's workshops, and Duanmu Huai ordered the group to move out.

Duanmu Huai and his companions investigated the Great Holy Grail and discovered a girl being experimented on in a magus’s basement. After Medea healed her and Duanmu Huai destroyed the workshop, the group prepared to face Servants at the docks, leaving Lorena to guard the girl.

• Medea examined Fuyuki’s Great Holy Grail and sensed that its mana carried an aura of disaster.
• Duanmu Huai led Mash and Medea to a magus’s house, where they found a girl trapped among implanted insects in the basement.
• Duanmu Huai burned the insects, and Medea used Pain Breaker to heal the girl.
• Duanmu Huai left a Thermal Bomb in the workshop, which killed the returning old man and destroyed the house.
• At a guesthouse, Duanmu Huai learned that Servants were at the docks and summoned Lorena to protect the sleeping girl while the others went to battle.

Duanmu Huai led Medea and Mash to the docks, where he confronted Lancer and then Saber, and overwhelmed both Servants in battle. When Lancer’s Master ordered him to attack Medea, Mash awakened her shield and blocked his Noble Phantasm while Medea blasted him away, leaving everyone stunned.

• Duanmu Huai, Medea, and Mash reached Warehouse Street and found Lancer waiting for them.
• Duanmu Huai questioned Lancer about whether his Master was an Einzbern, then Saber and her Master arrived.
• Duanmu Huai challenged Saber and Lancer to attack together and began crushing their defenses with his warhammer.
• Lancer’s Master used a Command Seal to order Lancer to release his Noble Phantasm and eliminate Medea.
• Mash stepped in front of Medea, manifested her shield, and blocked Lancer’s twin spears.
• Medea struck Lancer with magic and sent him flying.

Duanmu Huai fought Saber and pursued Alice Phil after learning she was from the Einzbern family, but Rider intervened and trapped him in a Reality Marble. After Duanmu Huai destroyed the false landscape, Saber, Lancer, and Rider had escaped, so he made Saber and her Master his targets.

• Mash used her shield to protect Medea from Lancer, revealing herself as a Heroic Spirit.
• Duanmu Huai defeated Saber, questioned Alice Phil, and grew suspicious when she reacted to his mention of the Holy Grail.
• Saber protected Alice Phil, and Duanmu Huai attacked them before Rider arrived and challenged him.
• Rider used a Reality Marble to trap Duanmu Huai with Mash and Medea, but Duanmu Huai shattered the landscape with his warhammer.
• Duanmu Huai found Saber, Lancer, and Rider gone and ordered Mash and Medea to target Saber and her Master.

Kariya Matou sent Berserker to the inn to rescue Sakura, but Lorena defeated the Servant and destroyed the building. Duanmu Huai returned to find the inn in ruins, and the group began looking for another place to stay.

• Kariya Matou discovered Sakura was staying at the inn and ordered Berserker to bring her back.
• Lorena sensed Berserker’s attack, shielded Sakura, and fought him with her Holy Book and fists.
• Lorena destroyed Berserker, severing his bond with Kariya Matou, who collapsed and died.
• Lorena took Sakura away from the damaged inn, and Duanmu Huai returned to hear what had happened.
• Duanmu Huai decided the group needed to find an unoccupied place to stay.

Duanmu Huai learned that Tohsaka Sakura had been given to the Matou Family and set out with Medea and Mash to confront the Tohsaka Family. As Tokiomi Tohsaka prepared for their arrival, Duanmu Huai reached his estate and blew open the courtyard with a Thermite Grenade.

• Lorena told Duanmu Huai that Tohsaka Sakura had been given to the Matou Family by her father, Tokiomi Tohsaka.
• Mash explained that mages passed down their family Magic Crests to a single heir, prompting Duanmu Huai to decide to question the Tohsaka Family.
• Tokiomi Tohsaka discussed Duanmu Huai's unclassified shield-bearing Servant with Risei Kotomine and learned from Kirei Kotomine that the group was heading for his residence.
• Duanmu Huai asked Mash about her Noble Phantasm, and Mash admitted she had activated it instinctively and made up its name.
• Duanmu Huai arrived at the Tohsaka Residence with Medea and Mash, then hurled a Thermite Grenade that set the courtyard ablaze.

Duanmu Huai confronted Tokiomi Tohsaka over giving Sakura to the Matou family, then fought and killed Tokiomi’s summoned Hero King at the ruined Tohsaka Residence. Tokiomi fled or died, and Duanmu Huai left with Medea and Mash.

• Tokiomi Tohsaka extinguished the courtyard fire and asked Duanmu Huai why he had come.
• Duanmu Huai questioned Tokiomi about giving Sakura to the Matou family, and Tokiomi explained that he wanted both daughters to preserve the Tohsaka family’s chances of reaching the Root.
• Duanmu Huai declared Tokiomi a heretic and summoned him to die, prompting Tokiomi to call forth the Hero King.
• Duanmu Huai fought the Hero King, withstanding his weapons and breaking free of the Chains of Heaven.
• Duanmu Huai tore off the Hero King’s head and destroyed his body with Black Flame as Tokiomi fled or disappeared.
• Duanmu Huai returned to Medea and Mash and said they could go back and rest.

After Duanmu Huai’s defeat of Archer, the other Masters and Servants feared his strength, and Risei Kotomine suspended the Holy Grail War and called for them to unite against his group. Tokiomi Tohsaka, driven mad by Duanmu Huai’s Aura of Fear, hid at the church, leaving Risei worried about whether he could continue fighting.

• Rider praised Duanmu Huai’s bravery while his young Master panicked, and Lancer admitted she was unsure she could defeat him.
• Saber told Alice Phil that Duanmu Huai felt like an unstoppable mountain or ocean, while wondering about the shield-bearing girl.
• Risei Kotomine declared the Holy Grail War suspended because Duanmu Huai had summoned an eighth Servant, and offered a preserved Command Seal to whoever drove his group out.
• The other Masters’ familiars left the church to discuss joining forces against Duanmu Huai’s group.
• Tokiomi Tohsaka emerged from the confessional in a broken, terrified state and begged Risei not to reveal that he was there.
• Kirei Kotomine escorted Tokiomi away as Risei worried that his friend’s mental condition would prevent him from winning the war.

Duanmu Huai discussed Reality Marbles with Medea and considered using one to summon allies from his memories. On Fuyuki Bridge, Iskandar demonstrated his army-filled Reality Marble and challenged Duanmu Huai to join his conquest; Duanmu Huai answered with a vision of humanity’s galactic empire, and their forces prepared to clash.

• Duanmu Huai decided Sakura could not safely return to the Tohsaka family and asked Medea to help him study Reality Marbles.
• Duanmu Huai met Iskandar, Saber, and Lancer on Fuyuki Bridge, where Iskandar introduced himself and invited Duanmu Huai to join his conquest.
• Iskandar summoned the Army of the King within his Reality Marble and urged Duanmu Huai to fight beside him.
• Duanmu Huai described the Emperor’s Great Expedition and condemned the Emperor for abandoning it, prompting Iskandar and Saber to argue over what made a king.
• Duanmu Huai revealed enormous warships representing humanity’s conquest of the stars and challenged Iskandar to seize them.
• Iskandar ordered his army to attack, and Duanmu Huai commanded the warships to open fire.

Duanmu Huai defeated the Conqueror King in a battle between his warship and the king’s army. After the Reality Marble vanished, Duanmu Huai confronted Alice Phil about whether the Einzberns had tampered with the Great Holy Grail, and she was surprised to hear that something might be wrong.

• The Conqueror King led his army against Duanmu Huai’s warship, marveling at the weapons of the future even as artillery overwhelmed his forces.
• The Conqueror King struck Duanmu Huai’s Power Armor, but Duanmu Huai pierced him with his Chainsaw Sword and ended the battle.
• The Conqueror King faded away after expressing his wish to lead a conquest across the sea of stars, and the Reality Marble disappeared, leaving SABER and Alice Phil on the bridge.
• Duanmu Huai approached Alice Phil, but SABER stepped between them before Alice Phil faced him herself.
• Duanmu Huai asked Alice Phil whether the Einzberns had tampered with the Great Holy Grail, and she froze, asking whether something had gone wrong.

Duanmu Huai, Alice Phil, and Medea devised a way to cleanse the corrupted Great Holy Grail by drawing All the World's Evil into a physical body. As Alice Phil took control of the system and expelled the evil, Tokiomi Tohsaka appeared in the cavern, battered and still alive.

• Duanmu Huai explained the future and the Holy Grail War to Alice Phil and SABER, and Alice Phil revealed that she was an artificial human created as the Lesser Holy Grail.
• Medea determined that Angra Mainyu had corrupted the Great Holy Grail and proposed using Alice Phil's power to draw All the World's Evil out into a physical form.
• Alice Phil agreed to reclaim the Great Holy Grail System, and Medea began restoring it with Rule Breaker while Duanmu Huai contracted Alice Phil as a CASTER Servant.
• Duanmu Huai used a Command Seal to order Alice Phil to expel All the World's Evil, which began condensing into a humanoid form.
• Explosions sounded in the passage, and a battered Tokiomi Tohsaka stumbled into the cavern.

Duanmu Huai destroyed the All The World's Evil after it possessed Tokiomi Tohsaka, and Medea dismantled the Great Holy Grail, allowing the Singularity to begin repairing. Chaldea then revealed that Duanmu Huai could not leave until he dealt with Sakura, whose presence was essential to the Singularity.

• Tokiomi Tohsaka, driven mad by Fear and his desire for the Holy Grail, sent Assassin into Medea's trap and then rushed toward the All The World's Evil.
• The All The World's Evil possessed Tokiomi Tohsaka, but Duanmu Huai seized and destroyed it with Black Blazing Flame before it could fight.
• Medea finished dismantling the Great Holy Grail, and Saber bid farewell to Alice Phil before disappearing.
• Duanmu Huai invited Alice Phil to Chaldea, and Alice Phil suggested that their Master-Servant bond made them like a married couple.
• Doctor Roman told Duanmu Huai that Chaldea could not retrieve him until he dealt with Sakura, whose presence was necessary to repair the Singularity.

Duanmu Huai sought Aozaki Touko’s advice on finding a safe home and magical education for Sakura. Aozaki proposed that he use Medea’s knowledge to gain the El-Melloi family’s support, leaving Duanmu Huai to consider the plan and her request to lift her Sealing Designation.

• Alice Phil explained that Sakura’s rare Imaginary Numbers Attribute made it dangerous for her to live among ordinary people, so Duanmu Huai decided to seek a suitable magus family in Japan.
• Duanmu Huai left Sakura in Mash and Lorena’s care and traveled with Alice Phil and Medea to meet Aozaki Touko in Mifune City.
• Aozaki Touko warned that transplanting a Magic Crest to an outsider was difficult, then suggested that Sakura could study magecraft without one if she avoided a Sealing Designation.
• Duanmu Huai offered Aozaki Touko gemstones in exchange for advice, and she proposed using Medea’s Age of Gods magecraft to gain the El-Melloi family’s backing and a place among the Clock Tower’s twelve Lords.
• Aozaki Touko asked Duanmu Huai to help revoke her Sealing Designation if the plan succeeded, and he said he would think about it.

Duanmu Huai learned that Chaldea might never be built in this timeline, so he traveled to England to secure the El-Melloi family's support and authority. After offering Reines El-Melloi Archisorte Medea's Age of Gods magic as a bargaining chip, he promised to make the Clock Tower an offer it could not refuse.

• Doctor Roman explained that Chaldea's construction might be abandoned in this timeline, endangering the future repair of the Final Singularity, and Duanmu Huai agreed to intervene.
• Duanmu Huai told Mash, Medea, and Alice Phil about the Inquisition, the Human Empire, and Warp Space, explaining that the Root was connected to Warp Space.
• Duanmu Huai decided to take Sakura and the others to England, where Aozaki Touko arranged a meeting with Reines El-Melloi Archisorte.
• Duanmu Huai offered to clear the El-Melloi family's debts in exchange for the El-Melloi Lord's position and authority, threatening to annex the family if Reines refused.
• Duanmu Huai revealed Medea as a summoned Heroic Spirit and offered her Age of Gods instruction as leverage with the Clock Tower.
• Reines warned that the declining El-Melloi family could not protect such a valuable bargaining chip, and Duanmu Huai answered that he would make the Clock Tower an offer it could not refuse.

Duanmu Huai and Reines secured Reines’s inheritance rights to the El-Melloi Family, then went to the Crown Rank Decision, where the Clock Tower’s Lords would decide the family’s fate. They reached the meeting chamber inside the corpse of a dragon and found the participants assembled.

• Duanmu Huai apologized to Medea for using her as a bargaining chip, and Medea agreed to teach modern magi about ancient magecraft.
• Reines used Duanmu Huai’s financial support and her own political skill to obtain the El-Melloi Family’s inheritance rights.
• Duanmu Huai and Reines traveled to the Secret Corpse Dissection Bureau, where the Clock Tower held the Crown Rank Decision inside a dragon’s heart.
• Reines explained the Clock Tower’s Aristocratic, Democratic, and Neutral Factions and their conflicting views on allocating scarce magical resources.
• Reines and Duanmu Huai entered the dragon’s heart, and Reines treated the strain its concentrated magical energy placed on her eyes.
• Duanmu Huai and Reines reached the meeting room, where the Crown Rank Decision participants had gathered.

Duanmu Huai demanded that the Clock Tower recognize the Inquisition’s control of the El-Melloi Family and the Mineralogy Department. He offered Medea’s instruction as an incentive, then threatened to destroy the Clock Tower and London if the Lords opposed him.

• At the Crown Rank Decision, Magdanel Trambelio Elrod argued that the young Reines lacked the power to control the Mineralogy Department after Kenneth’s death.
• Duanmu Huai declared that the Inquisition had acquired the El-Melloi Family and claimed its title and department on Reines’s behalf.
• Duanmu Huai summoned Medea, whose appearance as a Heroic Spirit shocked the Lords, and offered to have her teach at the Clock Tower if they supported him.
• When Magdanel asked what would happen if they opposed him, Duanmu Huai unleashed his power and threatened to erase the Clock Tower, London, and the magus families in the country.
• Duanmu Huai gave the Lords a final choice between accepting his demands and being destroyed.

Duanmu Huai secured the Clock Tower’s agreement to his demands and arranged for House El-Melloi to take control of the Archaeology Department. Medea’s teaching and Sakura’s arrival strengthened the family, while Duanmu Huai left Chaldea’s construction for later and hinted that greater events were ahead.

• Duanmu Huai and Reines left the negotiations, and Reines warned that the other Lords might retaliate after Duanmu Huai’s protection ended.
• The Crown Rank Decision confirmed House El-Melloi would remain among the Twelve Lords and granted it control of the Archaeology Department in exchange for the Mineralogy Department.
• Medea gave a lecture at the Clock Tower, drawing students and instructors and prompting families to seek ties with House El-Melloi.
• Reines welcomed Sakura into the El-Melloi family and offered her the heir’s position, but Duanmu Huai and Sakura refused.
• Sakura began studying under Medea, while Duanmu Huai decided to wait before taking over Chaldea’s construction.