Recaps

Leon built the Empire’s institutions and prepared for a confrontation with ORT, while also sharing moments with Mordred and continuing his experiments. The arc ended with the battle underway and Merlin unable to find the Jeweled One.

• Leon struggled with Scathach’s fate, while Scathach told Mordred and Neltharion that she was going to die.
• Mordred watched the capital from a rooftop, then rushed to Leon after learning he had returned and asked about Scathach.
• Leon announced Academy City’s opening and established the Mage’s Association alongside it, then reviewed Jupiter’s plans against the Church.
• Leon’s experiment to create a viable embryo failed again, while Merlin taught the children and Leon tested Mordred’s martial skills.
• Leon reviewed the Empire’s conquest of Europa and took Mordred for a ride and a tour of a warship, promising it to her when she grew up.
• Leon’s embryo experiment succeeded, then he visited Morgan’s grave before departing to fight ORT in southern Bretonnia.
• Leon, Merlin, and the Jeweled One reached ORT’s pit and began their attack, but ORT easily blocked Leon’s full-strength strike.
• As the battle continued, Merlin dodged ORT’s attacks and searched for the Jeweled One, but could not find her.

While Leon confronted ORT and learned of Chaos, Britain celebrated its victories and Mordred took charge as regent. After uncovering a mysterious man beneath the capital, Mordred returned to find the palace facing a rebellion linked to the underground space.

• Leon saw the barrier shatter into a prismatic spatial storm, while the Jeweled One warned that even ORT could not safely enter it, and Merlin later rescued Leon with petals as ORT fought their advance.
• Leon identified Chaos as the oldest Machine God, and Merlin was terrified by the colossal eye, and Leon said the Jeweled One and warship were likely preparing to act under concealment.
• After the war in Bretonnia, soldiers returned to Britain, and Mordred came ashore with Galahad and Percival before Leon appointed her regent and departed on campaign.
• Mordred learned that Arthur had been raised by a Lady of the Lake, and Leon kept Arthur’s status as heir apparent secret to prevent wartime strife.
• Mordred followed a mysterious man through the underground city and tortured him for answers, but he refused to reveal anything before his imminent death.
• Mordred returned to the palace after exceeding her agreed absence, reassuring Clotaire that she was unharmed as officials narrowly avoided imposing martial law.
• Merlin told Leon that Mordred had deployed troops to protect the palace and seize control of the military, and Mordred then led soldiers into the palace and said she suspected the rebellion was tied to the vast space beneath it.

Mordred seized the city and moved against the underground research base while Leon’s forces conquered territory and fought through the Red Sea defenses. Leon finally defeated Mordred, but she was left gravely wounded and needed Morgan’s treatment, forcing Leon to race toward Britain.

• Mordred’s army occupied the city, and she ordered the Imperial Guards to search Academy City and execute anyone who resisted.
• Mordred rejected Jupiter’s plea to spare the targets and killed him with crimson lightning.
• Leon’s fleet captured Cai Prefecture and Stone City, then broke into Jiankang City and routed its defenders.
• Mordred confronted Neltharion, subdued him, and later had 10010, 10086, the researchers, and the underground base destroyed.
• Mordred sent orders claiming Artoria had taken the wounded Emperor hostage, while Leon’s forces won further victories and broke through the Suez Canal defenses.
• Leon fought Mordred, blocked her attacks with the Holy Spear, and saw her falter when he reached out to her with tenderness.
• Mordred unleashed her full power and pressed Leon, but he countered her attacks and left her barely breathing.
• Merlin told Leon that Mordred needed Morgan’s treatment and had at most half a day to live, while they had only two hours to reach Britain from Egypt.

Leon arranged the Empire’s succession, naming Artorius as heir and Agravain as the next chancellor before abdicating. As the Holy Grail War began, Kiritsugu faced the summoned Servants and reconsidered his resolve after Leon reminded him of the Grail’s corruption.

• Mordred asked Leon for time to speak with her mother, and Leon reluctantly let her go.
• Luther told Leon he sensed something strange about Arthur, whose courteous treatment of him during imprisonment had made him suspicious.
• After the Emperor’s return was announced, officials and nobles gathered at the palace, where Leon reflected on reports about Ultimate Ones and heard Neltharion recount how the Great God saved him.
• Leon told the Machine God he wanted a different life, then asked whom it recommended as Chancellor, and It named Agravain.
• Arthur revealed that she was Artorius, and Leon asked the assembled officials to consider her as the Empire’s heir while naming Agravain as the next chancellor.
• Leon announced his abdication, and after Artoria returned with the army, he held a celebration and prepared for Artorius’s coronation.
• A new Holy Grail War began when Kiritsugu summoned a Servant, while Leon watched events unfold and warned Kiritsugu to prepare for the conflict.
• Kiritsugu encountered the other Servants and, remembering the Grail’s corruption, reconsidered his despair and his promise to free Irisviel from its fate.