Chapter Summaries

Mordred discovered Artoria’s relationship with the Holy Sword’s wielder and was drawn into a chaotic purification ritual with Illya. The group then proposed a ten-round parent-child duel, with Illya rolling to decide who would go first.

• Mordred confronted Artoria after witnessing her ritual with Lady Alice and learned that the Holy Sword’s wielder had stolen Artoria’s heart.
• Artoria admitted she was happy with her choice, while Mordred threatened to make the wielder regret it if he ever hurt her.
• The Holy Sword’s wielder provoked Mordred into joining the purification ritual, where she and Illya took turns collecting the substance it produced.
• The wielder proposed a ten-round purification contest between Alice and Illya and Artoria and Mordred.
• Alice gave Illya a die to determine which team would go first, and Illya rolled a two.

Alice and Illya carried out an elaborate Holy Sword Purification Ritual as their first move in the contest against Mordred. Illya used a secondary scabbard in the unorthodox plan, and the chapter ended as it began merging with the Holy Sword.

• Mordred rolled a one, giving Alice and Illya the chance to go first.
• Alice whispered their battle plan to Illya, then helped her prepare in matching white formal gowns.
• Alice and Illya began the ritual, using the Holy Sword’s vessel and a secondary scabbard in their combination.
• Mordred realized Illya’s apparent mistake was part of Alice’s plan, and the Holy Sword wielder eagerly accepted the unusual ritual.
• Illya worried that the secondary scabbard would make Bai Yue dislike her, then felt it start to merge with the Holy Sword.

Illya completed a round of the Holy Sword Purification Ritual with Bai Yue, while Mordred and Artoria prepared to compete against Illya and Irisviel. Artoria persuaded Mordred to continue as a team and revealed that Alice had prepared matching bridal attire for them.

• Illya realized that the Holy Sword welcomed the auxiliary scabbard and admitted through telepathy that she liked Bai Yue.
• Bai Yue teased Illya about being the cutest auxiliary scabbard, while Artoria grew embarrassed as Mordred questioned her about the ritual.
• The first round ended when the Holy Sword and scabbard separated, releasing energy into a crystal cup; the contest would last ten rounds, with five for each side.
• Mordred urged Artoria to join the next round, then tried to proceed alone when Artoria hesitated.
• Artoria stopped Mordred from going alone and led her to the dressing room, where she showed her two custom-made bridal outfits prepared by Alice.

Mordred and Artoria copied Irisviel and Illya’s Holy Sword Purification Ritual, producing less substance than Illya. Alice and Illya then changed into maid outfits and prepared to begin their turn.

• Mordred wore the ritual dress Irisviel had prepared and joined Artoria for the purification ritual.
• Artoria and Mordred copied the Einzbern pair’s opening moves, then fused their scabbards to produce the substance.
• Mordred released the substance into a crystal container and found they had collected about two-thirds of Illya’s amount.
• Alice and Illya changed into matching maid outfits and greeted the group with a seductive invitation.

Mordred and Artoria watched Irisviel and Illya perform an elaborate Holy Sword purification ritual and researched the modern products used in it. After the ritual ended, they headed to the dressing room to prepare for their turn, with their ritual outfits still unrevealed.

• Irisviel and Illya used vibrating and twisting modern devices on the scabbards while performing the purification ritual with Alice.
• Mordred searched online and discovered that the devices were legal products, while Artoria denied ever having used or encountered them.
• Alice and Illya performed another startling part of the ritual, which left Mordred and Artoria watching in shock.
• Irisviel and Illya finished the ritual, and Mordred led Artoria to the dressing room to prepare for their turn.

Mordred and Artoria disguised themselves as matching lion-eared maids and performed the purification ritual while trying to keep their identities hidden. After the ritual left them dazed, Mordred nearly gave herself away and grew furious when the owner of the Holy Sword made a disparaging remark about the other scabbard’s substance.

• Mordred and Artoria put on matching maid outfits, let down their hair, and emerged together to confuse Illya about who was who.
• Irisviel recognized that the pair were imitating her and Illya while disguising themselves as each other.
• The owner of the Holy Sword tried to identify the maids with teasing remarks, but neither their reactions nor their responses revealed their identities.
• Mordred and Artoria performed the Tai Chi Combination Ritual, intensifying the scabbards’ reactions until they released three waves of mist.
• Mordred nearly answered when someone called her name, then realized she had almost exposed herself.
• The owner of the Holy Sword associated a strawberry scent with one substance and refused to describe the other, leaving Mordred furious.

Mordred and Artoria collected the Holy Sword’s substance during their purification turn, then watched Irisviel and Illya perform theirs in school outfits. Artoria realized Little Cutie was absorbing and storing the substance, revealing the mother and daughter’s hidden advantage.

• Mordred and Artoria completed their purification turn, gathered nearly as much substance as Illya’s side, and disguised their scents before changing back.
• Irisviel and Illya began their turn in school outfits, with Irisviel using a maneuver Mordred and Artoria could not imitate.
• Mordred teased Artoria about her body, then asked her to devise a way for them to compete with Irisviel’s technique.
• Artoria noticed that the scabbard’s stress reactions remained strong even though little substance appeared to be escaping through Little Cutie.
• Artoria realized Little Cutie was absorbing and storing the substance, and Mordred recognized the method as similar to collecting water from mist with cloth.

Mordred and Artoria watched Lady Irisviel and Illya perform a Holy Sword purification ritual and learned their SPA method. Mordred proposed a new plan using the area that clamped the sub-scabbard, and she and Artoria began trying it as Lady Irisviel watched with interest.

• Mordred watched Lady Irisviel and Illya use Little Cutie’s transparent substance to wipe the Holy Sword and perform the SPA ritual.
• Mordred questioned Artoria about the earlier purification ritual, and Artoria admitted that they had pressed the scabbard opening against the Holy Sword while wiping.
• Lady Irisviel and Illya completed their ritual, collecting the substance produced during the purification.
• Mordred proposed that she and Artoria wear JK outfits and squeeze the Holy Sword with the areas that clamped the sub-scabbard while performing their own SPA ritual.
• Mordred and Artoria exposed the sub-scabbard-clamping areas and moved together, while Lady Irisviel recognized their plan.

Artoria and Mordred’s ritual left their side tied with Illya and Irisviel’s, so Illya devised an unorthodox method for the fourth match. As Illya and Irisviel’s ritual continued, Artoria found inspiration in a webpage and secretly conceived an even more shocking plan.

• Artoria and Mordred completed their ritual, bringing their collected substance to roughly the same level as Illya’s side.
• Illya took charge of the next round and devised a swimsuit-clad Tai Chi Combination Ritual with Irisviel after seeing a hint on Mordred’s laptop.
• Mordred questioned whether Illya had truly invented the method, while Artoria read a hospital webpage and formed a startling new ritual plan.
• Artoria destroyed the laptop when Mordred noticed her reaction, then denied having thought of anything.
• Illya and Irisviel continued their ritual, passing the extracted substance by mouth to the Holy Sword wielder before switching places.

Artoria and Mordred performed a nurse-themed Holy Sword purification ritual using IV tubing, impressing the others with their method. As the ritual ended, Irisviel tasked Illya with inventing a more outrageous approach for the final round, and Illya began developing an idea after browsing nursing information.

• Artoria and Mordred emerged dressed as nurses and uncovered the Holy Sword’s sheath.
• Artoria and Mordred repeatedly fused their secondary sheaths with the Holy Sword while an IV tube delivered the substance it produced.
• Irisviel told Illya to devise a ritual that could surpass Artoria’s, and Illya searched nursing information on a laptop for inspiration.
• Illya found a method for internally cleaning a secondary sheath, and Irisviel began combining it with Illya’s idea for the next ritual.
• The Holy Sword reacted to Artoria’s and Mordred’s different techniques, producing a large amount of transparent substance before the ritual ended.
• Irisviel told Illya it was time to prepare for the next round, and Illya protested that she did not want to proceed.

Irisviel and Illya used a funnel and the Holy Sword’s substance to perform an elaborate purification ritual, leaving Artoria and Mordred worried they could not match it. Mordred then whispered a daring plan for their fifth round, and Artoria agreed to try it.

• Illya watched Artoria and Mordred finish their ritual and felt embarrassed when Bai Yue compared their results.
• Irisviel and Illya dressed in miko attire and poured their stored substance through a funnel into Illya’s sub-scabbard.
• Illya used the Holy Sword’s substance to wash the sub-scabbard as Irisviel supplied more, impressing Artoria and Mordred.
• Mordred doubted their chances in the fifth round, while Artoria worried the Holy Sword’s increased output might consume their share.
• Mordred whispered a new ritual method to Artoria, and Artoria agreed to it despite her hesitation.

Illya and Irisviel’s purification ritual produced an unusually large amount of substance, but it left the Holy Sword visibly fatigued and revealed that Illya’s secondary sheath had begun reacting to the ritual. Artoria and Mordred began their final-round performance with a cheongsam and a syringe, leaving Illya to fear they planned to draw the substance back out through a tube.

• Illya and Irisviel completed the secondary-sheath ritual, and Illya noticed that the sheath’s sensations had changed and that it reacted alongside the Holy Sword.
• Mordred realized that repeated purification had made the secondary sheath respond to the ritual and questioned Artoria about her own past experiences with it.
• The Eizenbern mother and daughter’s fifth ritual produced nearly thirty percent of the total substance and left the Holy Sword showing signs of fatigue.
• Artoria and Mordred chose a cheongsam for their final performance and approached the Holy Sword with a medical kit.
• Artoria used two large syringes to fill Mordred’s secondary sheath, then attached a tube and blocked its opening to control the escaping substance.

Artoria and Mordred tied with Illya and Irisviel in the Holy Sword Purification Ritual, after which Bai Yue began ranking the participants and their secondary scabbards. The story then shifted to a new breakfast scene where two quarrelers fought over a piece of dim sum, introducing the start of the Fifth Holy Grail War.

• Artoria and Mordred used their secondary scabbards to transfer and purify the substance, then challenged Bai Yue to force the final substance into them during the ritual.
• Bai Yue judged the match a tie after both sides produced the same volume of substance.
• Bai Yue ranked Irisviel first, Mordred second, Artoria third, and Illya fourth for their ritual performance.
• Bai Yue named Illya the cutest secondary scabbard, Alice the most practical, and Mordred tied with Alice for practicality.
• At breakfast, two identical-faced people fought over the last piece of dim sum, which fell to the floor and was stepped on.

Tohsaka Rin, Ishtar, and the other Holy Grail War teams were dropped onto a floating island, where Jeanne introduced an arena and a crowd of invited spectators. As familiar faces and an unexpected version of Rin arrived, Lainas suspected the War would broadcast a Holy Sword Purification Ritual and decided she would withdraw rather than take part.

• Tohsaka Rin and Ishtar fell from the sky, lost their powers, and splashed into the water after their descent was cushioned by magical membranes.
• Tohsaka Rin recognized Sakura and other participants as the teams approached the floating island, where Jeanne appeared as chief referee and a vast arena formed.
• Spectators arrived by streaks of light, and Medusa, Medea, Kiyohime, and Mordred recognized relatives, teachers, and acquaintances among them.
• Ishtar recognized a newcomer from her Parallel World, who transformed into Ereshkigal with Tohsaka Rin's face.
• Luviya Serlinta noticed her twin among the spectators, while Asagami Fujino identified a Magician known to Medea through Ryougi Shiki.
• Lainas suspected the Holy Grail War would livestream the Holy Sword Purification Ritual, resolved to withdraw, and guessed that Luviya Serlinta and Illya had already undergone it.

Karen saw her revived mother before the Holy Grail War began, and the seven Master-Servant groups were drawn into a courage trial where survival determined their standing. Tohsaka Rin and Ishtar discovered that their settlement’s food might come from people sacrificed outside, while Stheno and another sister watched Medusa’s trial from the spectators’ area.

• Karen recognized her revived mother and learned that he had helped bring her back after her mother chose to return.
• A colossal phantom transformed the arena and drew the seven groups into the first Holy Grail War trial, where surviving the longest counted as victory.
• Tohsaka Rin and Ishtar woke in a settlement beneath a radioactive wasteland, where they had to endure foul food and communicate through gestures.
• Ishtar noticed suspicious residents leaving the cave, then warned Rin that the settlement’s meat might have come from the two people who did not return.
• Stheno watched the trial and remarked that Medusa was more famous in the Human World than she and her sister were.

Stheno and Euryale watched Medusa endure a devastated world and grew curious about the Holy Sword Purification Ritual she had mentioned. Their questions to the organizer turned into a teasing exchange over his Holy Sword, which Stheno mocked as a shorty.

• Stheno and Euryale discovered that Medusa was more famous than they were and watched her through special glasses.
• The sisters surveyed the war-ravaged world and learned that humanity survived through sacrifice and sheer will.
• Stheno noticed Medusa's embarrassed reaction to the purification ritual and suspected she had feelings for someone connected to her Master.
• Stheno and Euryale asked the organizer to explain the ritual, then offered to enter the adult world with him to persuade him.
• The organizer produced his Holy Sword and explained that the ritual extracted its evil power, startling the sisters before Stheno mocked its size.

Bai Yue provoked Stheno and Euryale into agreeing to compete against him, while the Holy Grail War’s survival challenge ended and the contestants’ rankings were revealed. Luviya and Medusa returned to their lounge, where Medusa found her sisters sitting intimately with Bai Yue and sharing a strange drink.

• Bai Yue mocked Stheno and Euryale by describing Medusa’s loss in a contest, then baited Euryale into agreeing to compete with him.
• Luviya awoke in the arena after being eliminated on the twenty-seventh day, when she died saving a child during a settlement’s migration; Medusa was eliminated with her.
• Illyasviel and Mordred explained that they had been eliminated after choosing to act as bait so their companions could escape a monster.
• Tohsaka Rin’s group was eliminated one day after Luviya’s, and the completed challenge’s rankings placed Lainas Arch Zolte first, Asagami Fujino second, Tohsaka Sakura third, Tohsaka Rin fourth, Luviya fifth, Kallen Olsy sixth, and Illyasviel last.
• Luviya and Medusa returned to their lounge, where Medusa saw Stheno and Euryale sitting close to Bai Yue and sharing the strange white liquid in his cup.

Stheno and Euryale’s wager with Bai Yue ended in a draw, and Luviya Serlinta and Medusa exposed what the sisters had consumed. A new Holy Grail War contest began, sending Tohsaka Rin and Ishtar into an eerie world of ghost-story rules while Ereshkigal and Tohsaka Aoi watched.

• Stheno and Euryale tied with Bai Yue in their wager and exchanged the substances they had extracted, consuming them in front of Medusa.
• Luviya Serlinta recognized the cups’ contents as substances from the sisters’ sheaths, and Stheno and Euryale realized Luviya and Medusa had faced a similar wager.
• Bai Yue praised Medusa’s offering, prompting Medusa to insist that her sisters’ offerings tasted better.
• Tohsaka Rin and Ishtar entered an eerie area where they had to follow apparently contradictory ghost-story rules and find a way to clear the stage.
• Ereshkigal discussed the reality of the ghost-story world with another goddess as Tohsaka Aoi watched Rin narrowly escape danger and accidentally knocked a lunch box off the table.

Aoi Tohsaka accepted Bai Yue’s help to watch Rin and Sakura’s trials and entered the Bizarre World with him. Frightened by the trials but determined to understand her daughters’ experiences, she stayed close to Sakura and woke during the safe period needing to leave the room for the restroom.

• Aoi cut her hand while cleaning up, and Bai Yue healed the cut and the burn marks on her other hand.
• Bai Yue gave Aoi magic power and glasses that let her watch both Rin and Sakura’s livestreams at once.
• Aoi entered the Bizarre World trial beside Bai Yue and watched as Rin’s group fled after a native was killed by a bizarre entity.
• When Aoi’s legs gave out, Bai Yue carried her as they caught up with Rin’s group, then shifted their attention to Sakura’s trial.
• Aoi watched Sakura face a monstrous figure, then stayed near Sakura during the safe bedtime period while Bai Yue went to another room.
• Aoi woke needing to use the restroom and felt uneasy because leaving the room meant being alone.

Tohsaka Aoi faced fear, embarrassment, and hunger in the Bizarre World while Bai Yue repeatedly helped her. By the chapter’s end, she had grown more comfortable accepting his care and made sure he drank water too.

• Tohsaka Aoi left her room to pick flowers but panicked at the strange sounds beyond the entrance and bumped into Bai Yue.
• Bai Yue offered to stand guard, then suggested she log out when she could no longer hold on, but Tohsaka Aoi refused to quit.
• Bai Yue returned with a bottle so Tohsaka Aoi could relieve herself without logging out.
• On the third day, Tohsaka Aoi was weak from hunger and cold, and Bai Yue held her and passed her water mouth-to-mouth.
• Tohsaka Aoi noticed Bai Yue had used much of his water on her, then watched him drink from his own bottle.