Chapter Summaries

A homunculus escaped his incubation tank and collapsed before Astolfo rescued him and brought him to Shirou's room. After Shirou warned him that his life would last only three years, the homunculus chose to live.

• The homunculus woke in a Yugdomirenia incubation tank, broke out, and collapsed in a castle corridor.
• Astolfo found the homunculus and carried him to Shirou's room, where Shirou nearly attacked Astolfo with his Zanpakuto.
• Chiron appeared and stopped Shirou and Astolfo from escalating their argument.
• Shirou explained that Caster was searching for the homunculus to use as an engine for his Gundam.
• Shirou told the homunculus his body would likely survive only three years and asked what he wanted to do.
• The homunculus said he wanted to live, and Shirou urged him to live on as a human.

Shirou confronted the homunculus about his unusually powerful soul and learned that he was a reincarnated person who had forgotten his original name. They settled on calling him Sieg, and Shirou left him alone in the room after Caules summoned him.

• Shirou told the homunculus that his soul was far stronger than those of the other homunculi and asked him to reveal his identity.
• The homunculus confirmed that he was a reincarnated soul, but said he had forgotten his original name after dying in a car accident.
• Shirou revealed that he was the Black faction's Berserker, Emiya Shirou, and explained that he had not yet participated in the Fifth War.
• Shirou suggested calling the homunculus Sieg, and the homunculus accepted the name despite joking that it carried an unwanted association with Siegfried.
• Caules summoned Shirou, who told Sieg not to open the door for anyone and left the room.

Shirou assessed Spartacus as a nearly unstoppable opponent whose damage-fueled Noble Phantasm made restraint the only viable strategy. Black Faction sent Astolfo to fight him, but the battle quickly showed how dangerous Spartacus was.

• Shirou recalled Spartacus's history and explained that his Noble Phantasm converted damage into magical energy, eventually causing a powerful self-destruction.
• Darnic and Vlad III decided to use Spartacus's arrival as an opportunity to bolster Black Faction, while Astolfo suggested that talking to him might work.
• Vlad ordered Astolfo to attack, and Astolfo charged Spartacus with his lance.
• Spartacus cut down a large tree with his shortsword and charged Astolfo as he tried to deliver his introduction.
• Astolfo abandoned his speech to avoid being stabbed, then complained as Spartacus continued attacking.
• Shirou watched from spirit form and concluded that Astolfo and Avicebron were Black Faction's only possible counters, while worrying that their plan was tempting fate.

Astolfo used Trap of Argalia to knock Spartacus down, but the Red Faction Berserker kept fighting until Vlad III and Avicebron restrained him. Vlad then left Siegfried and Shirou to deal with the remaining enemy.

• Astolfo tapped Spartacus with Trap of Argalia, causing him to fall, but Spartacus quickly resumed his attack.
• Avicebron sent stakes through Spartacus’s arm, interrupting his attack as Astolfo withdrew.
• Vlad III confronted Spartacus, who rose despite his injuries and challenged him as an oppressor.
• Avicebron’s Golems disrupted Spartacus, and Vlad III impaled him repeatedly while avoiding his Spirit Core.
• Vlad III left the enemy to Siegfried and Shirou after restraining Spartacus.

Shirou and Siegfried confronted Achilles, whose defenses made him nearly impossible to injure, while Shirou searched for a way to overcome them. The Red Faction's Archer, Atalanta, joined the fight by shooting Shirou through the shoulder and pinning him to a tree.

• Chiron guided Shirou and Siegfried to Achilles, who challenged them and chose to fight without his chariot.
• Shirou taunted Achilles about his concealed weakness, and Achilles charged Siegfried, who blocked his attack and was knocked back.
• Shirou used a Cero against Achilles, but Achilles recovered unharmed and Siegfried's Balmung could not pierce his defenses.
• Siegfried and Achilles traded blows, while Shirou struck Achilles's shoulder and realized he might need an attack with Divinity to hurt him.
• Atalanta fired an arrow from the forest, piercing Shirou's shoulder and pinning him to a tree.

Shirou pursued Atalanta through the forest and unleashed a barrage of Cerós, forcing her to use her Noble Phantasm to counter it. He prepared to double his attack after identifying her, leaving Atalanta facing another wave.

• Achilles fought Siegfried while Shirou changed targets and chased Atalanta.
• Shirou caught up with Atalanta using Sound Transmission and sealed her escape routes with a barrage of Cerós.
• Atalanta released Arrow Complaint Letter (Phoibos Catastrophe), whose rain of arrows canceled out Shirou’s attack.
• Shirou recognized Atalanta from the clues in her Noble Phantasm and raised both hands to launch a doubled barrage.

Achilles and Siegfried fought in the forest while Gordes tried to force Siegfried to use Balmung, but Darnic interrupted the Command Spell before it could take effect. Darnic then saw the devastation on the magical image and suspected Berserker had unleashed his unusual attack.

• Achilles and Siegfried clashed, and Siegfried defended himself while searching for a weakness in Achilles's protection.
• Gordes used two Command Spells to order Siegfried to defeat Achilles with Balmung.
• Siegfried began to unleash Balmung, but its sword energy shattered and he fell to one knee after Gordes's order was interrupted.
• Darnic seized Gordes's wrist, stopped the Command Spell, and ordered Siegfried to retreat.
• Darnic changed the magical image to show Shirou and noticed the devastation, suspecting Berserker had used his powerful attack.

Shirou nearly defeated Atalanta, but Achilles arrived and shielded her with Achilles Cosmos. After Atalanta escaped, Shirou prepared to fight Achilles by exploiting the weakness of his invulnerability.

• Darnic told Chiron to support Berserker after the Red Faction's Rider retreated.
• Shirou unleashed Infinite Reload Cero at Atalanta, but Achilles intercepted the barrage with Achilles Cosmos.
• Achilles and Atalanta teamed up against Shirou, who blocked Achilles's spear and countered Atalanta's arrow with projected swords.
• Shirou used Sound Transmission and Broken Phantasm to attack Atalanta, after which Amakusa Shirou Tokisada recalled her.
• Shirou identified Karna's Golden Spear as a way to overcome Achilles's Andreas Amarantos.

Shirou fought Achilles, using a projected God-forged weapon to pierce the Rider’s immortality and prove he could be killed. Achilles summoned his flying chariot, and Shirou pursued him with a spear accelerated by Cero before unleashing Broken Phantasm.

• Shirou evaded Achilles’s high-speed charges and endured repeated collisions, relying on Super High-Speed Regeneration to recover from his wounds.
• Shirou projected a golden weapon and slashed Achilles, drawing blood and revealing a way past his immortality.
• Achilles recognized the weapon as Lancer’s and eagerly welcomed a battle against someone who could kill him.
• Achilles summoned his chariot and three famous horses, while Shirou retrieved and hurled the golden spear after him.
• Shirou accelerated the spear with Cero and detonated it with Broken Phantasm as Achilles called him a madman.

Shirou and Chiron discussed Achilles’ escape and prepared to pursue Astolfo, who had fled with Sieg. Gordes and Siegfried also confronted them, while Sieg waited confidently for Shirou’s promised reinforcements.

• Achilles escaped after surviving Shirou’s attack, and Shirou confronted Chiron for watching without intervening.
• Chiron decided he would face Achilles himself, saying only he knew how to exploit his former student’s weakness.
• Caules and Fiore ordered Shirou and Chiron to pursue Astolfo and the Homunculus, so Shirou sent Ulquiorra ahead to help.
• Darnic ordered Gordes and Siegfried to retrieve Astolfo and Sieg as punishment for Gordes wasting two Command Spells.
• Gordes demanded that Astolfo hand over Sieg, but Astolfo refused and told Sieg to run; Sieg said his name was Sieg and expected Shirou’s reinforcements.
• Gordes ordered Siegfried to restrain Astolfo.

Sieg worried that Astolfo would take him away and make him the key to Avicebron’s Noble Phantasm, so Shirou arranged for Ulquiorra Cifer to protect him instead. Astolfo arrived first and led Sieg out of the castle, where defensive golems blocked their escape.

• Sieg recalled Shirou’s advice to run if Astolfo came for him and learned that Shirou had arranged Ulquiorra Cifer as another rescuer.
• Astolfo burst into Shirou’s room, grabbed Sieg, and announced that they would run away together.
• Astolfo dragged Sieg out of the castle while Sieg resolved to prioritize staying alive and leave Yugdomirenia behind for now.
• Sieg and Astolfo found themselves surrounded by defensive golems, and Astolfo stood in front of Sieg with his Noble Phantasm ready.

Ulquiorra appeared to help Sieg escape and confronted Siegfried and Gordes, buying Astolfo time to flee with the homunculus. After Sieg and Astolfo got away, Ulquiorra explained that he had helped because he wanted to.

• Astolfo gave Sieg his sword and faced Siegfried so Sieg could escape.
• Ulquiorra introduced himself as the Cuarenta Espada and intimidated Gordes, while Siegfried defended his Master.
• Gordes ordered Siegfried to kill Ulquiorra, and Astolfo seized Sieg and ran.
• Ulquiorra blocked Siegfried's attack with one hand, then Siegfried withdrew to Gordes's side.
• After Sieg and Astolfo vanished, Ulquiorra told Gordes he had helped Sieg simply because he wanted to.

Ulquiorra escaped after the Black Faction moved to surround him, while Astolfo and Sieg fled without knowing where they were going. Gordes accepted Siegfried's explanation for the escape and asked him to assess Ulquiorra.

• Ulquiorra detected the Black Faction closing in and retreated after Shirou's goal of stopping Siegfried had been met.
• Astolfo and Sieg realized they were lost, and Sieg's human body began to suffer from hunger.
• A stranger asked Astolfo and Sieg what had happened, leaving them hopeful that they might get help.
• Gordes blamed himself for holding Siegfried back and accepted that Siegfried could not catch Ulquiorra, who was faster.
• Gordes asked Siegfried to describe Ulquiorra, and Siegfried replied that he understood.

Jeanne met Sieg after Astolfo explained how he had helped him escape, and she agreed to protect him and keep him out of the Holy Grail War. After Astolfo left, Jeanne and Sieg awkwardly introduced themselves before sharing food made by Shirou.

• Jeanne revealed that she was Ruler and asked whether Sieg was the Black faction's Rider's Master.
• Astolfo explained Sieg's situation to Jeanne and asked her to protect him and grant him freedom.
• Jeanne agreed to protect Sieg, and Astolfo returned to the Black faction.
• Jeanne and Sieg introduced themselves, with Sieg explaining how Berserker had given him his name.
• Jeanne offered Sieg a biscuit from Shirou's shop, and Sieg recognized it as food made by the Black faction's Berserker.

Shirou and Chiron visited Astolfo in the dungeon after Astolfo was imprisoned for losing track of the homunculus. Shirou predicted Astolfo would be released by the next day, then teased him and gave him a cookie before leaving.

• Sereinik questioned Astolfo about the homunculus, but Astolfo repeatedly said he did not know where it was.
• Darnic stopped Sereinik from wasting a Command Spell, and Vlad III ordered Astolfo punished for treason.
• Vlad III and Avicebron had Astolfo nailed to the dungeon wall, where Shirou and Chiron visited him.
• Shirou predicted Astolfo would be released by the next day because he would not reflect on his actions.
• Shirou gave Astolfo a cookie and left, while Astolfo praised its taste.

Kaijiri Shishigami dreamed of Mordred’s life and took her to a small restaurant for breakfast, where they discovered that Jeanne was working there and Shirou was cooking. The encounter ended as a radio report announced that the serial murder case in Bucharest had expanded.

• Kaijiri Shishigami woke from a dream in which he had seen Mordred’s entire life and took her from their inn to find breakfast.
• Kaijiri Shishigami and Mordred arrived at a quiet restaurant and recognized Jeanne when she came to take their order.
• Mordred ordered five portions from Jeanne, who was working at the restaurant during the daytime truce.
• Shirou came out with their food, and Kaijiri Shishigami realized that Berserker of the Black Faction was also there.
• Shirou turned on a radio, which reported that the serial murder case that began in Bucharest had claimed more victims.

After a string of mage murders in Sigishirava, Shirou helped Kaijiri Shishigami and Ruler identify Black Faction’s missing Assassin, Jack the Ripper, as the likely culprit. Shirou urged them to investigate before nightfall, warning that Jack might target ordinary people if she ran out of mages.

• Kaijiri Shishigami received a call from Lord El-Melloi II, who reported that every mage stationed in Sigishirava had been killed and suspected a Servant was responsible.
• Kaijiri Shishigami prepared to investigate, but Shirou urged him and Ruler to analyze the case before nightfall.
• Shirou reasoned that the Red Faction Servants were accounted for and identified Black Faction’s Assassin as the likely killer, revealing that her Master was already dead.
• Kaijiri Shishigami accepted Shirou’s information, and Ruler agreed that Jack the Ripper had violated the war’s rules by attacking people outside it.
• Shirou warned that Jack might turn on ordinary people if she had no mages left to consume, making the murders something they could not ignore.

Mordred and Kaijiri Shishigami prepared to lure out Black Faction's Assassin in Sigishirava, while Shirou revealed the Assassin's identity to Caules and rushed to help Fiore. Shirou warned Caules that Fiore was too gentle to face Kaijiri Shishigami, and Caules urged him to hurry as they flew toward her.

• Mordred complained about Sigishirava and learned that the murder victims' hearts had likely been taken to replenish a Servant's magical energy.
• Kaijiri Shishigami told Mordred that the killings had shifted to targeting magi, and they set out to lure Black Faction's Assassin.
• Caules told Shirou that magi were being killed in Sigishirava, and Shirou revealed that Black Faction's Assassin was responsible and that Red Faction's Saber was there too.
• Shirou identified Kaijiri Shishigami as a dangerous opponent similar to the Mage Killer and warned Caules that Fiore could not handle him.
• Shirou grabbed Caules and flew toward Fiore, and Caules urged him to go faster as the sun set.

Kaijiri Shishigami and Mordred were caught in Jack the Ripper’s poison fog, but Mordred got her Master out and intercepted Jack’s attack. Mordred then pursued Jack into The Mist, leaving Kaijiri outside to guard against intruders.

• Kaijiri Shishigami recognized Jack the Ripper’s poison fog and relied on Mordred’s Instinct to escape it.
• Jack reached Kaijiri from behind, but Mordred knocked away her dagger and wounded her while saving her Master.
• Jack retreated into The Mist and threw concealed weapons at Mordred, which bounced off Mordred’s armor.
• Mordred charged into the fog to fight Jack while Kaijiri deployed a people-repelling bounded field outside.

Mordred fought Black Assassin in Jack the Ripper’s concealing mist until Chiron intervened with a long-range arrow, forcing the wounded Assassin to retreat. Fiore then moved to attack Kaijiri Shishigami while Chiron continued firing, and Mordred rushed to protect her Master.

• Jack the Ripper ambushed Mordred in the mist and revealed that she had realized Mordred was a woman.
• Mordred removed her helmet and used Crimson Thunder to dispel the fog, preparing to finish Jack.
• Chiron fired an arrow from the clock tower, which Mordred dodged but which blew apart Jack’s arm and forced her to retreat.
• Fiore dropped from the clock tower to deal with Kaijiri Shishigami while Chiron fired another volley at her.
• Mordred ran to protect Kaijiri Shishigami, and Fiore prepared to confront her as a Master.