Chapter Summaries

Roy stole the Marauder's Map from Filch's Office and used it to track people around Hogwarts while growing suspicious about the Gringotts incident. In Hogsmeade, Tiago killed a goblin envoy who refused to help him steal an item from Gringotts, and he realized the seal on his chest would not activate for killing goblins.

• Roy unlocked Filch's Office and found the Marauder's Map in a locked drawer beneath Filch's desk.
• Roy activated the map, discovered its secret passages and tracking of people by name, and took it with him.
• Roy used the map to locate Aislin Grindelwald and Professor McGonagall, then worried that Gringotts had tricked him and vowed revenge.
• Dia entered a house in Hogsmeade and found the badly injured Tiago arguing with a goblin about Gringotts refusing to help retrieve an item.
• Tiago killed the goblin with a throwing knife and concluded that the seal on his chest would not activate if he killed goblins.

Roy told Aisling about the attack and learned from Dumbledore that attackers had killed eleven senior Gringotts officials, leaving the bank without anyone willing to lead it. The Ministry planned to bring in a governor from Egypt Gringotts, and Aisling suspected he might be connected to the attackers or could be pressured into helping them.

• Roy recounted the day's events to Aisling, who concluded that Gringotts had helped his opponents hijack his Floo Powder Network.
• Roy used the Marauder's Map to confirm that Dumbledore had returned to Hogwarts, then went with Aisling to his office.
• Dumbledore reported that attackers had killed eleven Goblins at Gringotts headquarters, and the surviving governors had fled Britain, leaving the bank without a leader.
• Aisling asked about Gringotts's next governor and learned that the Ministry planned to transfer a British wizard from Egypt Gringotts.
• Roy connected the planned governor to Professor Jobana's teacher, and Aisling suggested they could use that connection to secure his cooperation.

Roy went to Gringotts with Dumbledore, Lupin, and Professor Jobana to seek answers about the attacks on Hogwarts students. They arrived during a dispute between Tiago Brando and Goblin employees, and Brando introduced himself as Gringotts Britain's new governor.

• After learning that Professor Jobana was Tiago Brando's former teacher, Roy arranged for her to introduce him to the new governor.
• Roy, Dumbledore, Lupin, and Professor Jobana traveled by Fawkes to Gringotts on Saturday.
• A Goblin guard recognized Dumbledore and directed the group to the governor's office.
• Roy entered the office and found Tiago Brando arguing with Goblin employees about the murders and the Ministry's investigation.
• Mr. Gulango threatened Brando, who challenged him to explain what he knew about the attackers; the Goblins then left.
• Dumbledore questioned Brando, and Brando welcomed the group and introduced himself as Gringotts Britain's new governor.

Dumbledore’s group confronted Gringotts director Tiago Brando over the attack on Lupin and the theft of a vault key, but Tiago tried to settle the matter with money rather than investigate. He eventually gave Dumbledore documents containing clues, while revealing that he had used Roy’s blood to read his thoughts and expose Roy’s attempt to pass off glass as a valuable diamond.

• Dumbledore accused Tiago of allowing an attacker to infiltrate Gringotts and steal half the key to Vault Number Seven.
• Tiago offered to compensate Roy for the vault’s contents, and Roy demanded twenty thousand Galleons before Dumbledore redirected the discussion toward finding the attackers.
• Tiago offered twenty-five thousand Galleons for ownership of the vault’s contents and transferred Vault Number Fourteen to Hogwarts, but Dumbledore refused the deal.
• After Dumbledore insisted on pursuing justice, Tiago gave Lupin five hundred Galleons for medical expenses and handed Dumbledore two document envelopes with clues.
• Once Dumbledore’s group had left, Dia dropped her disguise and asked whether Dumbledore would be satisfied with catching minor suspects.
• Tiago said Dumbledore was easy to satisfy and revealed that he had read Roy’s thoughts through his blood, discovering Roy’s attempt to sell him a piece of glass as a diamond.

Roy and Dumbledore traced the attackers behind the Floo Powder Network hijacking through records from Gringotts, while Dumbledore warned Roy that a Vampire might be tracking him with his blood. After Dumbledore returned from a secret Ministry trip, he told Roy the attackers had been captured or had killed themselves and would face Azkaban.

• Roy and Dumbledore found a suspicious payment routed through Gringotts accountant Gurgo's account in the former director's records.
• Dumbledore planned to take the evidence to Fudge and asked Roy whether he had provoked any Vampires.
• Dumbledore revealed that he suspected a Vampire had used Roy's blood for a tracking spell, and Roy left the office troubled.
• Dumbledore remained away from Hogwarts for several days, then returned to the Great Hall looking exhausted.
• Roy visited Dumbledore after dinner, and Dumbledore told him the attackers had either killed themselves or been captured and would be sent to Azkaban.

After Dumbledore assured Roy that the attackers had been dealt with, Roy returned to the Hufflepuff Common Room, unaware that Tiago was still plotting against him. Unable to monitor Roy without more of his blood, Tiago decided to target Mia Saru instead.

• Dumbledore told Roy that most of his attackers would be sent to Azkaban and a few would receive the Dementor's Kiss.
• Roy wondered whether Fly Head had died, then returned to the Hufflepuff Common Room, believing the danger had passed.
• Tiago discovered he had used up Roy's blood and reviewed how his schemes had failed while Dumbledore's protection kept him from attacking Roy again.
• Tiago resolved to find another way to gather information on Roy and chose Mia Saru as his next target.

Mia reunited with Harry after months out of contact, but a confrontation with Hermione turned into a street fight. The chapter ended with Harry frozen in disbelief as Mia and Hermione wrestled on the ground.

• Mia remembered her meeting with Harry and Ron, hurried out of the Scamander home, and traveled by Floo Powder to the Leaky Cauldron.
• Mia rushed to the ice cream shop, where Harry had been waiting alone after arriving late himself.
• Hermione recognized Harry and demanded to know where Mia was, while Harry tried to avoid answering her.
• Mia appeared and tackled Hermione, and the two girls began fighting in the street as Harry stood stunned.

Hermione followed Harry and Mia into an alley after Mia attacked her, and the three argued over whether Mia should use magic to stop Hermione from reporting them. Mia’s broken wand backfired, knocking her and Harry unconscious and leaving Hermione stunned.

• Harry pulled Mia and Hermione apart after they fought, then hurried with Mia into a nearby alley to avoid drawing attention.
• Hermione followed them, and Mia threatened her with a battered wand while Harry tried to protect Hermione and stop Mia from casting a spell.
• Mia aimed her wand at Hermione and cast Imperio, but the damaged wand clogged with magic and began sparking uncontrollably.
• The broken wand discharged spells wildly, striking Mia and Harry and knocking them unconscious while Hermione escaped unharmed.

After a magical fight left Harry and Mia unconscious, Hermione debated abandoning them but returned to help and waited for them to wake. She questioned Harry about the magic and their circumstances, then ran out of the alley, leaving Harry with the still-unconscious Mia.

• Hermione tried to copy Mia’s spell with the broken wand, then chose to leave the unconscious children but returned with water and stayed to watch over them.
• Harry woke and thanked Hermione, explaining that Mia had mistaken her for someone who bullied him and that they were both orphans.
• Hermione asked how they had money and how Mia had used magic, but Harry could not explain the magic to her.
• After someone passed the alley entrance, Hermione said they could not stay and ran out, telling Harry to wait while Mia remained unconscious.

Harry carried the unconscious Mia to Hermione Granger’s home, where Mrs Granger let the children stay. After Mia woke, Hermione took her wand and pressed her to explain magic, leaving Mia to warn her that revealing the magical world to a Muggle was illegal.

• Harry tried to carry the unconscious Mia out of the alley, but Hermione returned with her mother before he could get far.
• Mrs Granger took Mia from Harry, agreed not to bring her to a hospital, and drove the children to the Granger household.
• Mrs Granger laid Mia on Hermione’s bed and went downstairs, while Hermione questioned Harry about magic.
• Mia woke up, apologized to Hermione, and searched for her wand.
• Hermione took Mia’s wand and demanded to learn about magic, and Mia warned her to keep the magical world secret.

Roy finished the Wizard’s Chess upgrade kits and prepared to join Hufflepuff’s Quidditch Team with Cedric. At tryouts, they discovered that only four people had shown up for four vacancies, and Owen wanted to retire.

• Roy completed the Wizard’s Chess upgrade kits and left campus sales to Fred and George while Zonko’s Joke Shop handled off-campus sales.
• Roy learned that Aisling had joined Slytherin’s Quidditch Team and upgraded its brooms to Nimbus 2000s, while Fred and George had joined Gryffindor’s Team.
• Roy and Cedric trained for Hufflepuff’s Quidditch tryouts and arrived at the field on the first Friday of October.
• Roy found almost no Hufflepuff students at the tryouts and learned from Owen that the team had four vacancies and exactly four candidates.
• Owen revealed that he had only joined the team because he was a prefect and asked Roy and Cedric if he could retire.

After Hufflepuff’s Quidditch tryouts failed to find more players, Roy joined the team and began thinking of a way to overcome the Phasing Charm’s dizziness with external equipment. Dumbledore’s cheerful toast reminded Roy of his Nameless Set, and he wondered whether it was time to get it back.

• Hufflepuff canceled its tryouts after finding no more players, and Roy joined the team alongside Aisling.
• Roy read about Anti-Apparition and realized he might counter the Phasing Charm’s dizziness by feeding his spatial receptors a false signal.
• Roy sketched a basic concept for an anti-dizziness device but could not find useful research to turn it into a practical design.
• Students discussed the Quidditch teams at dinner as Slytherin mocked Hufflepuff, while Cedric doubted the team could win.
• Dumbledore toasted the students after dinner, prompting Roy to remember his Nameless Set and wonder whether Dumbledore should return it.

Ravenclaw won the Dueling League round, while Roy’s Potion progressed far faster than Aisling’s because of his Ancient Magic. After Aisling cut her hand, Snape sent Roy away and tended to her, leaving Roy confused in the corridor.

• Ravenclaw fielded its strongest students, won the round, and rose to second place while Hufflepuff fell to last.
• Roy realized his Potion was advancing much faster than Aisling’s and expected their brewing schedules to diverge.
• During the brewing session, Roy completed the day’s incantations without a mistake while Aisling grew increasingly frustrated.
• Aisling cut her finger while preparing Poison Bee Stingers and treated the wound with Roy’s Medical Gun.
• Snape scolded Roy, changed his sessions to Friday nights, and dragged him out before Roy could extinguish his cauldron’s flame.
• Snape checked Aisling’s hand, gave her a Potion, and asked whether Roy had made the Medical Gun.

Roy retrieved his stealth equipment from Dumbledore and explained that he wanted to modify it to counter the severe dizziness caused by his Phasing Charm. Dumbledore tried the spell himself, confirmed that its side effect could not be relieved, and Roy left with his equipment after teasing him.

• Roy asked Dumbledore to return the stealth equipment he had previously confiscated and explained that he wanted to adapt it to suppress the dizziness from his new spell.
• Roy demonstrated the Phasing Charm by making a golden basin pass through Dumbledore's magical barrier and head, then explained its connection to symmetry and mirror images.
• Dumbledore tried casting the Phasing Charm with the Elder Wand and collapsed from its dizziness.
• Roy used healing magic to revive Dumbledore, who admitted that the spell's side effect could not be relieved.
• Roy took the black noise generator and night-vision equipment and left the office after teasing Dumbledore.

Roy sought books to help him build dizziness-prevention gear, but the house-elves refused to take books from the library. They revealed that the Room of Requirement held a vast trove of Dark Magic items, and Roy rushed off to find it.

• Roy asked Poppy and the house-elves to bring him two books from the library, but they refused because they considered it stealing.
• Poppy showed Roy a sack of enchanted objects the elves had collected, and Roy inspected the Dark Magic items with a device.
• Roy learned that the elves had found the objects in the Room of Requirement and that the room contained far more items.
• Poppy explained how to make the Room of Requirement appear on the Seventh Floor, and Roy hurried out of the kitchens.

Roy discovered a hidden chamber on the castle’s Seventh Floor and searched through the Ancient Demon King’s abandoned workshop. He left with an unfinished enchanted robe and a fragment of a Pensieve, while learning that the Ancient Demon King had corresponded with Sebastian Saru about a curse.

• Roy used the Ancient Magic Self-Defense Guide to reveal a hidden chamber across from the special tapestry on the Seventh Floor.
• Roy searched the dusty workshop but found that its potions, plants, and documents had mostly decayed.
• Roy read letters between the Ancient Demon King and Sebastian Saru, which mentioned Sebastian’s cursed sister and a planned journey abroad to find a cure.
• Roy found a pristine, unfinished legendary robe and a gray stone that he identified as a Pensieve fragment.
• Roy packed away the Pensieve fragment and the robe, whose enchantments protected against many forms of harm, and left the chamber.

Roy searched the Room of Requirement for an object containing Voldemort’s curse on the Defense Against the Dark Arts position and found a box of Voldemort’s old textbooks instead. He brought the books back to the dormitory, where Cedric and Connor recoiled after learning who had owned them.

• Roy returned to the Room of Requirement and used a magical power tracker to search its heaps of stored objects for Voldemort’s magic.
• After digging through the clutter for over half an hour, Roy found a sealed box and discovered it contained Voldemort’s school textbooks, which showed no sign of the curse.
• Roy searched for another hour, found nothing else, and carried the textbooks back to the dormitory after realizing he had missed Quidditch practice.
• Cedric told Roy that the team captain had quit and that he was now captain, while Connor celebrated joining the team and said Lee Jordan had taken over his commentator duties.
• Cedric asked whose textbooks Roy had found, and he and Connor rushed to return them to the box and wash their hands when Roy named Voldemort.

Roy showed Dumbledore a robe and a Pensieve fragment containing Sebastian Sallow’s final memory, in which Sebastian died after using necromancy on his sister’s corpse. Dumbledore revealed his connection to Sebastian and Mia, leaving Roy wondering whether Mia was the world’s protagonist.

• Roy brought Dumbledore a defensive robe and a memory-containing Pensieve fragment he had found in the Room of Requirement.
• Roy viewed Sebastian Sallow’s memory and learned that Sebastian had died after using necromancy on his sister’s corpse.
• Dumbledore recognized the robe’s style, offered to have it tailored, and explained that he had put Voldemort’s textbooks in the Room of Requirement.
• Dumbledore viewed Sebastian’s memory, reacted with disgust, and told Roy that he had known Sebastian through Mia.
• Dumbledore explained that Mia had Sebastian’s Memory Book as a guide, prompting Roy to wonder whether Mia was the world’s protagonist.

Roy explained his theory about Sebastian and the diamond to Dumbledore, who remained concerned about the attackers’ claim that they were reclaiming something that belonged to them. As Hogwarts’ Quidditch season began, Roy watched Slytherin face Gryffindor and planned a provocative celebration for Hufflepuff’s upcoming match.

• Roy told Dumbledore that Sebastian had sought a cure for his sister, failed, and turned to Necromancy before dying, and Dumbledore asked for the memory fragment.
• Dumbledore reflected on the attackers’ claim that they had been searching for the diamond for a hundred years, despite the captured dark wizards seeming to have known one another only briefly.
• Cedric went to scout Slytherin and Gryffindor’s warm-ups while Roy slept, and the first Quidditch match began between the two Houses.
• Roy and Cedric discussed Slytherin captain Aisling’s skill as a Seeker, and Aisling noticed them watching from the Hufflepuff stands.
• Roy showed Connor a gesture of defying one’s superiors as a goal celebration, and Connor decided to use it.

Hermione joined Mia, Harry, and Ron for lunch and asked Mia questions about magic, but she grew discouraged when she realized the others doubted she could become a witch. Mia gave Hermione a wand-like gift and invited her to play at her house, while two men secretly identified Hermione as their target.

• Hermione hurried from her tutoring class to meet Mia, Harry, and Ron, then treated them to lunch.
• After eating, Hermione asked Mia questions about the spell book, but Harry, Ron, and Mia's reactions made her feel uncertain about her place in the Wizarding World.
• Mia gave Hermione a custom-made toy wand that could guide magical power, and Hermione thanked her.
• Mia invited Hermione, Harry, and Ron to her house, and the children left together despite Harry's concerns about taking Hermione to the Leaky Cauldron.
• Two men watching from behind a newsstand identified the blond Hermione as the target their boss had mentioned.