Chapter Summaries

Moriarty found Hogwarts eerily deserted and suspected a growing school aversion before Penelope hurried him to the Quidditch Pitch, where Gryffindor and Ravenclaw students were fighting. He restrained the students with magic and began confronting them, leaving the cause of their rage unresolved.

• Moriarty discovered that Hogwarts was unusually quiet, with many students absent and magical creatures missing from the grounds.
• Penelope found Moriarty and explained that Gryffindor students had invaded Ravenclaw's Quidditch tryouts, where a fight was breaking out.
• Moriarty flew to the pitch carrying Penelope and saw students attacking one another, including Charlie chasing Ravenclaw's captain.
• Moriarty used Incarcerous to bind the students, then stunned Charlie and a Ravenclaw student who had broken free.
• Moriarty walked among the restrained students, glaring at them as he prepared to confront them.

After another mysterious outbreak drove Gryffindor and Ravenclaw students to attack one another, Dumbledore used life-consuming spells to protect Hogwarts and ordered the school closed. Moriarty connected the attack to a prophecy about Merlin and prepared to continue investigating while Dumbledore remained at the school.

• Dumbledore arrived at the Quidditch Pitch, condemned the students' violence, and sent the injured to the Hospital Wing before closing the school.
• Dumbledore used detection and protective spells that consumed his life force, then joined Sybill Trelawney in the Headmaster's Office with Moriarty and Diana.
• Diana explained that Dumbledore had been delayed by Sybill's prophecy: “Merlin returns, the struggle ends, and grudges rise anew.”
• Moriarty suspected the repeated delays were planned and said finding the Headless Knight's portrait was the priority for learning about Merlin's return.
• Moriarty warned Dumbledore not to sacrifice himself and blasted a hole in the office floor, while Dumbledore joked that the damage could be charged to the School Governors.

Moriarty and Dumbledore searched Hogwarts for the Headless Knight and discovered he was hiding in Sir Cadogan's Mural. Dumbledore revealed Sir Cadogan's connection to Merlin and shared old notes about the knight's legendary duel with a Wyvern.

• Moriarty and Dumbledore used magic to search the Castle for the Headless Knight, while Moriarty moved its inhabitants and portraits to flush him out.
• Dumbledore's Phoenix Flourish Dance found the Headless Knight hiding in Sir Cadogan's Mural.
• Moriarty described Sir Cadogan as a hot-tempered duelist who was not bad at heart, and Dumbledore revealed that he had been Merlin's friend.
• Dumbledore read old notes describing how Sir Cadogan defeated a Wyvern with his broken Wand and a pony.
• The notes ended with a question asking Dumbledore whether he had decided to seek the Deathly Hallows.

Moriarty and Dumbledore discovered that the Headless Knight had used ancient protective magic to strengthen Sir Cadogan’s mural, then pressed him to explain his purpose. The Headless Knight revealed that he existed to seal a headless Vampire Ancestor, leaving the three stunned.

• Dumbledore led Moriarty and Diana to Sir Cadogan’s mural, where the Headless Knight had taken Sir Cadogan’s place and was riding his gray mare.
• The Headless Knight enchanted the mare, turning her into a red light that burrowed into the ground and made the mural feel connected to Hogwarts’s ancient protective magic.
• Moriarty theorized that Merlin had transformed a black dragon into an Alchemy Item buried beneath Hogwarts, linking it to Draco Dormiens Nunquam Titillandus.
• Moriarty and Dumbledore challenged the Headless Knight about his knowledge and purpose, and Dumbledore used his authority as headmaster to make him speak.
• The Headless Knight explained that his magic could enter minds, that he would not intervene in Hogwarts’s incidents, and that his purpose was sealing rather than protecting the Castle.
• The Headless Knight revealed that he was sealing the most powerful and evil Vampire Ancestor in history, a headless one, shocking Moriarty, Dumbledore, and Diana.

The Headless Knight explained how Merlin and King Arthur sealed Dracula’s soul inside his armor and denied that it caused the Hogwarts incidents. The next morning, Moriarty learned from The Daily Prophet that Lucius Malfoy had been found dead and decapitated.

• The Headless Knight told Moriarty, Dumbledore, and Diana how Dracula was sealed inside his armor and how the seal was protected by the Founders.
• Dumbledore questioned whether Dracula’s soul caused the Hogwarts incidents, and the Headless Knight denied any connection.
• Dumbledore said the investigation would continue, while Moriarty planned to await Lucius’s intelligence and Diana decided to verify the Knight’s claims about the Lake Sword.
• Moriarty removed his magic from Hogwarts and returned to his dormitory, and the night passed without incident.
• The next morning, Moriarty read The Daily Prophet and saw a photograph of Lucius Malfoy’s severed head beside his headless corpse.

Moriarty read The Daily Prophet’s account of Lucius Malfoy’s murder in France and learned that Lucius had uncovered the Progenitor Vampire’s secret before he died. The British and French Ministries blamed an unidentified Vampire and deadlocked over whether British Aurors could investigate the Jewish Marquis, while Moriarty remained unsure who had killed Lucius.

• The Slytherins reacted with shock and fury to the news of Lucius Malfoy’s murder, while the Weasley twins stopped other students from mocking him.
• Moriarty received 40,000 points for Lucius completing the mission to uncover the Progenitor Vampire’s secret, though half the reward was deducted because Lucius failed to return safely.
• Moriarty read that Lucius had visited the Jewish Marquis in Marseille and was later found drained of blood, while his three accompanying wizards and two French Aurors had disappeared.
• The French and British Ministries confirmed that a Vampire had killed Lucius and issued a joint wanted notice, but their ministers clashed over access to the Jewish Marquis’s castle.
• Moriarty learned that half-blood Vampires had helped Lucius locate the Jewish Marquis, but French Aurors claimed they did not know where those Vampires were.

Moriarty gathered thirty-five students to hunt Lucius Malfoy’s killers, arguing that the Ministry would fail to protect pure-blood families and magical law. Dumbledore tried to stop them but faltered after Moriarty challenged his motives, and the group set off under the name Hogwarts Pure-Blood Army.

• Moriarty declared that the Vampires had effectively declared war on British pure-bloods and led students from all four Houses toward the Castle doors.
• Moriarty excluded students below fourth year, non-pure-bloods, and those unable to Apparate; thirty-six people remained, including him.
• Dumbledore arrived with the professors and ordered the students back to their dormitories, but Moriarty refused and confronted him over the Ministry’s inability to protect the Malfoy family.
• Moriarty argued that allowing Lucius’s murder to go unanswered would make pure-blood families targets and accused Dumbledore of caring only about Voldemort and Harry Potter.
• Dumbledore withdrew into silence as Moriarty rejoined the group, and Moriarty rejected Jericho’s proposed name in favor of the Hogwarts Pure-Blood Army.

After Narcissa Malfoy sent Moriarty a desperate Howler asking him to protect Draco, he led the Hogwarts Pure-Blood Army toward Malfoy Manor before their trip to France. Lilith secretly joined the group, claiming she would help Narcissa and stop the greedy pure-bloods.

• Leon named the group the Hogwarts Pure-Blood Army and declared that they would seek justice for the Malfoy family.
• Narcissa sent Moriarty a Howler pleading for help and asking him to protect Draco from the crisis threatening the Malfoys.
• Moriarty decided the group would visit Malfoy Manor before going to France, and Marcus brought the Poker Family of Hippogriffs to carry them.
• Moriarty transformed the students' uniforms into matching wizard's robes, while Dumbledore told Professor McGonagall that Lucius's death was not simple and pure-bloods could not ignore it.
• Jericho and Leon argued over which Hippogriffs to ride, but Lilith revealed herself on Little King and asked Moriarty to take her to Malfoy Manor to help Narcissa.

Moriarty brought Lilith and the Hogwarts Pure-Blood Army to Malfoy Manor, where a crowd had gathered over the Malfoy family's collapse. Narcissa presented Moriarty as her guest and asked to speak with him privately, while Lilith stayed beside him.

• Lilith rode Little King to Malfoy Manor, and Jericho carefully mounted a Hippogriff before the group flew to Wiltshire.
• Moriarty saw foreign wizards crowding the manor and ordered Marcus to guard the gates while he and Lilith went to meet Narcissa.
• The Hogwarts Pure-Blood Army's arrival frightened the crowd, and Mr. Parkinson asked whether Dumbledore had sent Moriarty.
• Narcissa emerged and announced that Moriarty and his army were her guests, then invited him inside to speak alone.
• Narcissa asked Lilith to check on Draco, but Lilith refused and insisted that Narcissa speak her mind in front of her.
• Narcissa told Moriarty that strangers had gathered outside her home less than two hours after the Daily Prophet came out.

Moriarty pressed Narcissa to reveal the threat behind the unrest surrounding the Malfoy family and tested whether she could protect her family. Faced with the Travers Family, the Vampires, and other families eager to seize the Malfoy fortune, Narcissa broke down and begged Moriarty to save her and Draco.

• Moriarty saw that most of the wizards gathering outside the Malfoy estate were stirring up trouble rather than acting as genuine creditors.
• Narcissa revealed that the head of the Travers Family had sent the wizards and that his twin, Big Travers, had once pursued her before leaving school.
• Narcissa said the Malfoy family could deal with the outsiders and preserve its business, but admitted it could not withstand the Vampires' retaliation or the families trying to divide its wealth.
• Moriarty confronted Narcissa with the dangers facing her and Draco, and she collapsed to her knees, offering the Malfoy family's wealth and obedience in exchange for his protection.
• Lilith watched Moriarty break down Narcissa's resistance and resolved to learn from him.

Moriarty secured Narcissa's obedience and chose Draco as the ordinary wizard representative in his plans. After learning the vampire marquis was at Château d'If in Marseille, Moriarty and Lilith prepared to split up and investigate.

• Moriarty took Narcissa's wand and made clear that he intended to guide Draco along a path of his choosing.
• Moriarty asked Narcissa to have Dobby reveal the location of Château du Marquis Juif, and Dobby identified Château d'If on Île d'If in Marseille.
• Lilith agreed to stay behind and protect the wizards outside, while Moriarty left Little King with her as a precaution.
• Moriarty and Lilith split up, and Lilith wished him a safe return.

Moriarty led the Hogwarts Pure-Blood Army to France, where they pursued a vampire through Paris and trapped him inside the Eiffel Tower. The chapter ended with Moriarty freezing the vampire in place as the French Ministry of Magic remained a looming concern.

• Moriarty outfitted the group in dragonhide and led them across the English Channel on Hippogriffs.
• Moriarty upgraded his draws, received Felix Felicis and several spells, then chose to dine in Paris before seeking out the vampire leader.
• At a Paris restaurant, the group identified a vampire who fled with a woman, and Moriarty ordered a pursuit.
• Jericho’s spell disrupted the vampire’s flight, but the vampire recovered and headed toward the Eiffel Tower as Moriarty’s forces closed in.
• Moriarty cast the Freezing Charm with Touch of Frost Fury, spreading ice through the Eiffel Tower and freezing the vampire inside it.

Moriarty’s group captured the Vampire Isaac Jewish and questioned him about Lucius Malfoy before agreeing to follow him to Jewish Dawn Castle. Isaac reunited with the Muggle woman he loved, who woke to find herself flying beside him as he showered her with romantic declarations.

• Moriarty freed Isaac from the ice, and Tonks took the sleeping woman from his arms while Leon carried Isaac to the slaughterhouse.
• The group watched Muggles arrive by helicopter at the frozen Eiffel Tower before the French Aurors appeared, and Leon lost his bet with Moriarty.
• Isaac woke, broke free of his bindings, and identified himself as a member of the Jewish family while demanding to know where the woman was.
• Moriarty let Isaac reunite with the woman, and Isaac offered to take the group to Jewish Dawn Castle to meet his grandfather, the Jewish Marquis.
• Isaac told Moriarty that his grandfather had met Lucius Malfoy alone, then professed his love to the woman as she protested and the others teased him.

Moriarty and the British pure-bloods reached Château d'If, where Vampire Archduke Kao Kunlan admitted to killing Lucius and challenged them to a large-scale duel. Moriarty faced Kunlan as the two sides prepared to fight.

• Moriarty's group arrived at Château d'If, where Isaac reunited with Old Jew and recognized the elder beside him as a demon.
• Kao Kunlan identified himself as the Vampire whose grandson Moriarty had killed and confessed that he had personally killed Lucius.
• Kunlan assembled thirty-five Vampires and proposed a duel against Moriarty's thirty-five pure-blood companions, with Old Jew witnessing.
• Kunlan unleashed his blood-soaked aura, but Moriarty countered it with a surge of Water Elemental Magic.
• Isaac warned Moriarty about Kunlan's enormous death toll, then carried his fainted beloved behind Moriarty.
• Moriarty told Isaac to leave, declared that he wanted Kunlan's life, and walked toward him as both sides prepared to clash.

Moriarty exchanged points for Ice Fist Sanction and Ocean's Benevolence, then fought Archduke Kunlan as the vampire revealed his werewolf-like battle form and ability to wield blood magic. Moriarty brought Kunlan down, and Leon ordered the Hogwarts Pure-Blood Army to attack the Kunlan Family Vampires.

• Moriarty exchanged 35,000 points for Ice Fist Sanction and Ocean's Benevolence before Kunlan reached him.
• Kunlan attacked Moriarty with werewolf claws, but Moriarty's Ice Fist Sanction shattered the claws and injured Kunlan's wrist.
• Kunlan seized Moriarty's Water Elemental Magic and turned it into a blood-ice fist, but Moriarty countered with weather spells and froze Kunlan.
• Kunlan tried to stab Moriarty with a silver sword and attacked him with poisonous black mucus, but Moriarty blocked the sword and smashed Kunlan's shoulder with another sanctioned ice punch.
• Kunlan crashed to the ground, and Leon ordered the Hogwarts Pure-Blood Army to attack the Kunlan Family Vampires.

Leon and the Hogwarts Pure-Bloods fought the Vampires while Moriarty’s magic strengthened their side. As two Vampire Earls began summoning a demon, Moriarty restored the Pure-Bloods and prepared to end the battle.

• Leon killed a Vampire with the Killing Curse, and the Pure-Bloods joined the fight as the Vampires transformed and attacked.
• Leon and Jericho tore apart a bloody net with the Splitting Curse, while Tonks swallowed a Vampire in a swamp and Charlie drove the Vampires back with Gryffindor’s Sun.
• Old Jew warned Isaac not to provoke the dangerous students, while two Vampire Earls began a blood-curse summoning and their forces charged the Pure-Bloods.
• Marcus knocked down a Vampire with Werewolf limbs and repeatedly cast the Splitting Curse until he killed it, then fainted after Moriarty stopped him.
• Moriarty used Ocean’s Benevolence to restore the Pure-Bloods, drank a Magic Power Recovery Potion, and raised his staff and wand as Water Element magic surged toward the sky.

Moriarty and the Hogwarts Pure-Blood Army defeated the Vampires at Château du Marquis Juif, and Moriarty uncovered a way to break the Virus Magic in Kunlan’s mind. After reading Kunlan’s memories, Moriarty learned that trouble had arisen at Hogwarts and ordered everyone to hurry back.

• Moriarty summoned twelve ice serpents, which froze and killed the Vampire Earls and most of the other Vampires.
• Leon collected a Vampire Earl’s blood for Severus Snape, while Charlie and Tonks reacted to the battle and Moriarty.
• Moriarty used Legilimency on Kunlan and entered a mindscape where Kunlan revealed that Virus Magic had invaded Moriarty’s brain and invoked the Headless Vampire Ancestor and Merlin.
• Moriarty used the Alchemy Matrix to identify and dissolve the Virus Magic, then froze Kunlan and read his memories without obstruction.
• After killing Kunlan, Moriarty sent Marcus to find Lockhart and ordered the others to return to Hogwarts because something had happened there.

Moriarty discovered that the Vampires were seeking Dracula’s sealed head in Avalon and learned the history of the Headless Vampire Ancestor from Kunlan’s memories. After recounting the events to the pure-bloods, he suspected that the Headless Knight was Dracula’s missing headless corpse and warned that Hogwarts could fall if it unleashed Virus Magic.

• Moriarty and the others flew away from the school after Kunlan’s death, and the system awarded him points and Achievement Draws.
• Moriarty learned from Kunlan’s memories how Merlin defeated Dracula, sealed his head and Virus Magic in Avalon, and how Vivian imprisoned Merlin in an Oak Tree.
• Moriarty learned that the Blood Clan had summoned Vampire Archdukes to find Avalon and Dracula’s head, while Vampires across Europe harassed other magical races to locate it.
• Moriarty told the pure-bloods about Kunlan’s memories and the incidents involving the Headless Knight at Hogwarts.
• Jericho noted that Kunlan’s account differed from the Headless Knight’s story, and Moriarty concluded that the Headless Knight was likely Dracula’s missing headless corpse.

Moriarty and the Pure-Blood Army returned to Hogwarts and found the Castle transformed into a haunted house, with its students and professors infected by Dracula’s Virus Magic. Dracula challenged Moriarty to enter the Castle with Jericho and the unnamed girl, while Moriarty prepared to confront him.

• Moriarty led the Pure-Blood Army back to Hogwarts, where they found the Castle stained with blood beneath a giant ghostly image of Dracula.
• Moriarty investigated with his Authority of Dominion and discovered that Dracula’s Virus Magic had infected everyone in the Castle, including Dumbledore.
• Dracula opened the gates and sent the infected students outside, prompting Charlie to spot Percy and the twins among them.
• Dracula taunted Jericho about having trusted his stories, and Jericho attacked the ghostly projection with Sectumsempra.
• Moriarty made Dracula’s projection rise and vanish, then declared that Hogwarts still belonged to its Founders and challenged Dracula.
• Dracula roared from inside the Castle and demanded that Moriarty enter with Jericho and their other companion.

Moriarty accepted Dracula’s challenge to clear three levels, entering Hogwarts with Lilith and Jericho. In the Great Hall, Lilith began the first level, a Wizard Chess game with Professor McGonagall’s life at stake.

• Dracula revealed that four professors had been infected with Virus Magic and challenged Moriarty’s group to clear three levels to reclaim Hogwarts.
• Moriarty chose the mission to accept Dracula’s terms, and Lilith agreed to join him and Jericho.
• The group entered the Castle and found a giant chessboard in the Great Hall, where Dracula explained that a player had to capture Professor McGonagall and win to save her.
• Lilith challenged Dracula’s rules, then chose white and selected the queen as her chess piece.
• Dracula controlled Professor McGonagall as a black knight and started the game.