Chapter Summaries

After a night spent resisting Cordelia’s magically induced attachment, Gavin tried to keep her composed while traveling to the Romanian Dragon Sanctuary. There he discovered Newt Scamander had been made the Daily Prophet’s scapegoat for the previous night’s attack, and the chapter ended with Gavin reconsidering Newt’s invitation to a charity dinner after Cordelia regained her senses.

• Gavin found Cordelia asleep in his room after stunning her when she tried to embrace him, then ran into Professor Roscoe and teased him about his own night away from his room.
• Cordelia clung to Gavin at lunch and invented pet names for him until Charlie Weasley arrived; Gavin introduced her as his girlfriend and took them to the Romanian Dragon Sanctuary.
• Gavin asked Cordelia to act distant from him at the sanctuary, and she instantly returned to her cold, aloof manner.
• Newt Scamander showed Gavin a Daily Prophet story that blamed him for the attack and portrayed him as a dangerous killer; Newt explained that the Chiron Society had invited him to a charity dinner.
• Newt gave Gavin an incense salve to calm Cordelia, which restored her reason and left her ashamed; she insisted she was fine and hurried out to check on Norbert.
• Gavin asked Newt what time the dinner was, reconsidering his refusal to accompany him.

At a Bucharest charity salon, Gavin discovered that Viorica Stancu’s healing-ring design could have been adapted by the Deepwater Group, then later gave Charlie a map to protect the Reserve. When Sirius Black escaped from Azkaban, Gavin considered intercepting him, but a historic thunderstorm canceled his flight to London and left his next move uncertain.

• Viorica Stancu praised Newt Scamander, offered help for the rescued animals, and pulled him into the salon’s inner circle while Gavin avoided assisting him.
• Gavin recognized that Viorica’s Triple-Binding Healing Ring could have been modified into the control collar used on the chimera, but confirmed through Legilimency that she seemed unaware of the Deepwater Group’s crimes.
• Cordelia’s life-force backlash returned, and she kissed Gavin before he could use Newt’s salve; the next morning, Gavin concealed his injuries from Charlie Weasley.
• Before leaving the Reserve, Gavin gave Charlie a Marauder’s Map that tracked people inside and warned of intruders, and Charlie realized it was Gavin’s solution to the threat from Deepwater.
• At Bucharest Airport, Gavin learned from his Azkaban map that Sirius Black had escaped, but a severe thunderstorm canceled flights to London and prevented him from pursuing Sirius that night.

Fudge’s inspection convinces him that Azkaban is orderly, while Sirius discovers Peter Pettigrew alive and escapes after failing to squeeze through his cell bars. Three days later, Gavin returns to Azkaban and learns that the prisoners let Sirius go because they considered him an honored elder.

• Macnair’s longing for Azkaban makes Fudge believe his former subordinate remains fiercely loyal, and Fudge schedules an inspection of the prison.
• Fudge tours Azkaban with his frightened assistant, overlooks signs of the prisoners’ staged disorder, and gives Sirius the Daily Prophet.
• Sirius sees Peter Pettigrew in a photograph with the Weasley family and realizes Peter is alive and near Harry at Hogwarts.
• Sirius tries to escape in his Animagus form but gets stuck in the bars, then decides to leave with the Fishing Group the next morning.
• Gavin returns to Azkaban three days after Sirius’s escape and asks Rookwood why nobody stopped him.
• Rookwood explains that the prisoners respected Sirius as a Five-Potato Elder, leaving Gavin baffled.

Gavin confirmed that Sirius Black was innocent and had not escaped Azkaban, while promising Dumbledore he would prevent Sirius from harming anyone as he searched for Peter Pettigrew. Sirius reached Knockturn Alley and learned he might be able to access his Gringotts vault; meanwhile, a secret organization ordered a new team to pursue Newt Scamander.

• Gavin announced that Sirius had been sent on a secret mission, banned the prisoners’ potato-based elder titles, and ordered them to call one another “comrade”; he put Rookwood to work as punishment for losing Sirius.
• Gavin told Dumbledore that Sirius’s soul showed no signs of murder and revealed that Peter Pettigrew, not Sirius, had betrayed the Potters and was still alive.
• Gavin promised Dumbledore he would stop Sirius before he found Peter, while withholding that he had plans for Peter himself.
• Sirius reached Knockturn Alley hungry and injured, then overheard Mole describe a secret Gringotts passage for vault owners and considered visiting his Black family vault.
• Executives in an underground fortress reported the destruction of K-0 and Dachian’s disappearance, and the chairman ordered 4-2 subjects to investigate and capture Newt Scamander.

Cordelia found Gavin studying a way to harness lightning and learned he planned to confront Gringotts over its role in the Deepwater Group’s attack. Meanwhile, Sirius’s visit let Gringotts seize the Black family fortune, and a mysterious attacker forced Rita Skeeter to publish evidence against the Nott family just after her scandalous Scamander article had gone to print.

• Cordelia visited Gavin in the Astrology Tower, where he explained his Lightning Rod experiment and said he planned to settle scores with Gringotts.
• Sirius withdrew money from Gringotts, unknowingly giving the bank the Magical Signature it needed to confiscate the Black family assets.
• Sirius learned that Gringotts had been robbed and that the Goblins had frozen his family’s fortune, leaving him with only the money he had withdrawn.
• An old Goblin discovered that his private vault had been emptied and marked with a message from the Skybreaker Syndicate.
• A mysterious attacker bound Rita Skeeter and ordered her to publish evidence of the Nott family’s collusion with Dark Wizards.
• Rita tried to replace her printed Scamander exposé, but her editor told her the newspapers were already being distributed.

Theodore Nott and his father were exposed for aiding the Black Lake attack and sentenced to one year in Azkaban, where they expected a brief, orderly stay. After Theodore mocked Gavin Gu, the prison fell silent and Rookwood asked if he meant the same Gavin who had taken control of Azkaban.

• Theodore reflected on his family's admiration for Grindelwald and recalled sending his father news of Dumbledore's departure from Hogwarts.
• The Daily Prophet exposed the Notts' role in the Black Lake attack, and Fudge seized most of their fortune while arranging a one-year sentence for Old Nott.
• Dumbledore warned Gavin not to kill the Nott family in Azkaban, and Gavin promised not to order their deaths while implying no order would be needed.
• Theodore and Old Nott arrived in Azkaban, endured the Dementors' terror, then found the prison organized around work, meals, and rules established by Chef.
• Old Nott and Theodore mocked Gavin Gu at the dining table, prompting the prisoners to fall silent and Rookwood to ask whether Theodore meant Gavin Gu.

Old Nott and Theodore were punished in Azkaban for crossing Chef, while Gavin investigated Lockhart’s unfinished research into soul damage and used it to begin healing Alice Longbottom. The chapter ended with Alice recognizing Neville and speaking to him for the first time in twelve years.

• Rookwood denied any friendship with Old Nott as Rabastan and the prisoners surrounded Old Nott and Theodore for crossing Chef; Theodore begged to see Gavin, but Rabastan refused.
• Gavin studied Lockhart’s notes on reversing Werewolf Transfiguration, found the research stopped before its proposed soul-purification method, and donated Lockhart’s hundred thousand Galleons to St. Mungo’s to gain access to Werewolf records.
• At St. Mungo’s, Gavin encountered Neville visiting Frank and Alice Longbottom and asked Augusta for permission to examine Alice.
• Gavin discovered that Alice’s soul had been badly damaged by the Cruciatus Curse, then found that Neville’s voice and Alice’s effort to answer him helped her soul begin to heal.
• Gavin used the Philosopher’s Stone to repair part of Alice’s soul before it ran out of Magic, and Alice regained enough awareness to touch Neville’s cheek and call him by name.

Neville’s mother briefly regained awareness after Gavin repaired part of her soul, but Gavin lacked the power to continue treating her or Frank. Afterward, Gavin and Cordelia visited Newt Scamander, who asked Gavin to help explain a scandalous newspaper photograph to Tina.

• Alice recognized Neville, spoke with him and Augusta, and listened to his stories before slipping back into her dormant state.
• Gavin found that his partial repair had held but could not continue without more power, and he told Augusta that Frank would need a different treatment.
• Gavin told Vittel he wanted to investigate whether the Homorphus Charm could help restore damaged souls, then returned to Rowle Manor and agreed to visit Newt with Cordelia.
• At Newt’s home, Cordelia spent time with the Kneazles while Newt privately showed Gavin a newspaper photograph implying Newt was having an affair with Viorica.
• Newt asked Gavin to help explain the photograph to Tina, and Gavin said he would need to be paid more.

Gavin helped Newt explain his trip to Romania to Tina, using a string of improvised compliments to calm her suspicions about Ms. Viorica. After Newt paid him for his help and dinner, Cyril secretly broke one of the threads binding him and vowed to take over Gavin’s body and harm Cordelia.

• In Newt’s Suitcase, Gavin agreed to help him confess his Romanian adventures to Tina in exchange for rare regulated materials.
• Gavin cooked dinner for Newt and Cordelia, and Tina returned home with a newspaper showing Newt beside Ms. Viorica.
• When Tina confronted Newt about the photograph, Gavin reframed Newt’s awkward answers as declarations of devotion, easing Tina’s anger.
• Tina warmed dessert, Cordelia teased Gavin about flirting, and Newt paid him—then learned that cooking had cost extra.
• In Gavin’s consciousness, Cyril burned part of his soul to corrode and snap one binding thread, then vowed to seize Gavin’s body and take revenge on Cordelia.

Gavin used a thunderstorm experiment on the Dorset coast to kill a group of Dark Wizards who had arrived intending to capture Rolf, Newt’s grandson. After covering up the destruction with Newt’s help, Gavin returned to Rowle Manor and revealed that he had one last score to settle before school resumed.

• Tina served Gavin, Cordelia, and Newt Jacob’s Bakery desserts, while Gavin avoided eating his heavily iced doughnut.
• Gavin went to a deserted Dorset cliff and created a thunderstorm by raising and heating seawater beneath the clouds.
• More than thirty Dark Wizards Apparated onto the cliff, aimed their wands at Gavin, and said they were looking for Rolf.
• Gavin dropped boiling seawater on the attackers, and lightning struck the conductive pool, killing them while his Faraday cage and shields protected him.
• Newt identified the attackers’ Deepwater Group badges and revealed that Rolf was his grandson; Gavin burned the remains and collapsed the damaged cliff to hide the evidence.
• Gavin hurried Cordelia away from Tina’s dessert boxes and returned with her to Rowle Manor, where he said he had one last score to settle.

Key plot points and events

• In the Consciousness Space, Cyril uses the last of his soul to break the White Lines binding him and casts an Imperius Curse at Gavin, hoping to take over his body.
• The attempt appears to work: Cyril can move Gavin’s body and rejoices at being alive again. But he discovers they are in the ruined Austria Orphanage, the site of his experiments on children.
• Gavin reveals that he was never truly under Cyril’s control. He had deliberately let the curse’s commands arise so he could observe and reject them, and had arranged the encounter to test Cyril’s magic.
• Gavin exposes Cyril’s records of experiments on sixty-four children, recounting the torture and deaths of Clara, Emil, Marta, and others. He makes Cyril confront the cruelty hidden behind his claims of serving the “Greater Good.”
• Gavin offers to spare Cyril if he confesses and apologizes. Desperate as his soul begins to fade, Cyril kneels and admits his crimes—but only to save himself. Gavin then reveals the offer was a lie and destroys Cyril’s weakened soul with Black Flame, leaving the other half of him in the Calculation Book to atone.
• Gavin leaves the orphanage at dawn, quietly hoping his actions bring the dead children peace.
• In a separate scene, a secret organization discusses the disappearance of thirty-seven wizards sent to the United Kingdom. Their leader orders operations against Newt Scamander suspended and the matter classified, though the organization intends to resume its vendetta after mass-producing three newly improved lines.

Character developments

• Cyril shifts from a calculating prisoner to a briefly triumphant would-be body snatcher, then collapses into panic when his curse fails. His confession reveals fear and self-preservation rather than genuine remorse.
• Gavin demonstrates patience, strategic control, and resistance to mind magic. His cold torment of Cyril is also presented as a response to the atrocities Cyril committed, though his final words reveal concern for the victims.
• The secret organization’s executives move from anger and confusion over their missing personnel to cautious obedience when the chairman orders a retreat—while remaining determined to retaliate later.

Significant themes

• Hope used as cruelty: Gavin lets Cyril believe he has escaped before taking that hope away.
• Accountability and false repentance: Cyril confesses only when facing annihilation, and Gavin refuses to mistake fear for atonement.
• The cost of fanaticism: Cyril’s “Greater Good” justification masks the murder and torture of children.
• Control and consciousness: Gavin resists the Imperius Curse not through a direct struggle of will, but by recognizing and dismissing the thoughts it plants.
• Justice and remembrance: The adoption register and experiment logs restore the children’s names and individual lives to the record of Cyril’s crimes.

Character interactions

• Cyril tries to dominate Gavin through the Imperius Curse; Gavin explains how he resisted and reveals that he allowed the attempt as a test.
• Gavin confronts Cyril with evidence of the children’s suffering, then demands that he confess directly to them.
• Cyril begs Gavin to spare him, but Gavin rejects his self-serving apology and destroys him.
• In the conference room, the organization’s executives challenge one another over the missing wizards before yielding to the chairman’s orders.

As Gavin and Cordelia prepared to return to Hogwarts, Gavin decided to buy his parents a manor and said goodbye to them at King's Cross. On the Hogwarts Express, he reunited with Harry, Ron, and Hermione, who dismissed his account of killing twenty Dark Wizards as a joke, though Hermione suspected it was true.

• Mr. Rowle packed Cordelia's suitcase with duplicate protective gear and two Firebolts, while Cordelia moved the extra items into Gavin's suitcase.
• After Gu Jianguo joked about wanting a manor, Gavin asked Mr. Rowle about properties for sale and announced that he would buy his parents one.
• At King's Cross, Gu Jianguo gave Gavin a long list of requirements for the manor, and Gavin and Cordelia spotted Percy Weasley, Penelope Clearwater, Arthur Weasley, and Harry Potter before boarding the Hogwarts Express.
• Gavin led Cordelia to the last compartment, where Harry, Ron, and Hermione were sitting with the sleeping Professor R. J. Lupin.
• When Ron and Harry asked about the newspaper reports, Gavin first described killing twenty Dark Wizards to rescue Cordelia, then offered an implausible official account that Ron and Harry accepted as the truth.
• Hermione noticed Gavin's contrasting accounts and suspected that his first story about the killings was true.

Gavin examines Ron’s unusually long-lived rat, Scabbers, and a Dementor recoils from him before Lupin drives it away with a Patronus. The group reaches Hogwarts, where Fred and George greet Gavin with a humiliating banner celebrating his exploits.

• Cordelia calms Hermione’s cat, Crookshanks, while Gavin pays Ron thirty Galleons to examine Scabbers and casts a spell that appears to have no effect.
• A Dementor boards the train and enters the compartment, but it recognizes Gavin and retreats when he orders it to leave; Lupin then casts a Patronus, and Harry loses consciousness.
• After Harry wakes, he tells Gavin that the Dementor feared him, and Gavin jokes that they get along; Lupin warns the students not to imitate him and explains the Patronus Charm.
• Gavin watches Lupin with intense curiosity, while Ron says Gavin would make a better Defense Against the Dark Arts professor; the train later reaches Hogwarts without further trouble.
• At Hogwarts, Ron stalls outside the Great Hall while Fred and George prepare a surprise, then opens the doors to reveal a banner mocking and celebrating Gavin’s exploits.

Gavin returned to Hogwarts to an extravagant welcome staged by the Weasley twins, then watched Astoria Greengrass join Slytherin during the Sorting Ceremony. The evening ended with Dumbledore announcing a third-year transfer student, Rolf Scamander, whose name connected to Gavin’s recent encounter with Newt Scamander and the Deepwater Group.

• The Weasley twins staged a noisy welcome for Gavin, and McGonagall silenced their enchanted recording before the crowd swarmed him with questions and gifts.
• Cedric guided Gavin through the crowd, and Gavin declined the love letters because he had a girlfriend before sharing the chocolates with his Hufflepuff tablemates.
• Daphne, Cordelia, and Tracey welcomed Astoria Greengrass after the Sorting Hat placed her in Slytherin, while Gavin noticed how pale and frail she looked.
• Dumbledore announced that Rolf Scamander would transfer from Beauxbatons as a third-year, and Gavin remembered Newt identifying Rolf as his grandson after the battle with the Deepwater Group.

Rolf Scamander joined Hufflepuff and quickly befriended Gavin Gu, while his social confidence and expertise with magical creatures surprised his new roommates. After the feast’s announcements about Dementors, Professor Lupin, and Hagrid, the chapter ended with Rolf settling into Gavin’s dormitory and teasing him about his first relationship.

• Rolf was Sorted into Hufflepuff and told Gavin that his grandfather had advised him both to keep his distance from Gavin and to run to him in danger.
• Rolf described his many romances at Beauxbatons, and Gavin jokingly recast them as three failed relationships before Rolf declared they should be friends.
• Dumbledore announced that Dementors would guard Hogwarts, Professor Lupin would teach Defense Against the Dark Arts, and Hagrid would take over Professor Silvanus Kettleburn’s post.
• Rolf impressed the Hufflepuffs with his knowledge of Fantastic Beasts and explained that he had learned to handle social duties because his grandfather avoided people.
• Rolf’s foul-smelling creature bait disrupted the dormitory, while Ernie returned Gavin’s pet toad, which preferred to hide in Ernie’s sleeve.
• Rolf teased Gavin about being young and inexperienced after Gavin said he was in his first relationship, and Gavin silenced the dormitory with his wand.

Gavin joined his roommates for the Transfiguration resit and demonstrated precise Human Transfiguration before examining Rolf, Ernie, Justin, and Cordelia. Everyone passed, but Gavin still had a Potions resit with Snape, and he headed to the Cellar five minutes late, confident he would make Snape kneel before him.

• Gavin shared Pork Offal Rice Noodles with Justin, Ernie, and Rolf, who explained that Justin and Ernie had failed Transfiguration while Rolf had come along out of curiosity.
• Cordelia greeted Gavin outside the classroom, accepted the breakfast he had brought her, and Rolf realized she was Gavin's girlfriend.
• Professor McGonagall let Rolf take the resit and appointed Gavin as his examiner, then asked Gavin to demonstrate his skill; Gavin transformed his forearm into an octopus arm and wrote his name with it.
• Rolf transformed a rabbit into a leather shoe, and Gavin corrected his unnecessary finishing movement; Ernie and Justin also passed their resits, while Cordelia and Gavin earned top marks.
• Gavin told the others he had a Potions resit with Snape, then set off five minutes late as Cordelia worried about him and he declared he would make Snape kneel before him.

Gavin confronted Snape during his Potions resit, sabotaged the Draught of Living Death after demonstrating an uncanny technique, and turned their conflict into a bargain over a basilisk and a mysterious potion. Snape agreed to investigate the potion and share the basilisk ingredients, then privately wondered whether it was an Apocalypse Potion.

• Gavin arrived late for his Potions resit, and Snape assigned him a Draught of Living Death with too little time to finish it.
• Gavin carefully prepared the potion, then ruined it with an extra clockwise stir, infuriating Snape by claiming he had only been clearing bubbles.
• Snape gave Gavin a Troll, but Gavin showed him a fifty-foot basilisk and offered to split its ingredients in exchange for analyzing the Deepwater Group’s “God’s Potion.”
• Snape agreed to the bargain, awarded Gavin an Outstanding on the resit, and negotiated for rare materials in exchange for brewing potions.
• Gavin and Snape signed a Magical Contract covering the basilisk and potion analysis, and Gavin left for class.
• Alone, Snape examined the pale-blue potion and murmured, “Apocalypse Potion?”

Gavin attended his first Divination class, challenged Professor Trelawney’s ominous interpretation of Harry’s tea leaves, and stayed behind to ask her questions. He secured a private conversation by offering her Helga Hufflepuff’s old-fashioned brew.

• Gavin told Justin, Rolf, and Ernie that Snape had changed his Potions mark from a T to an O, so he would not have to write an essay.
• Gavin, Justin, Rolf, and Ernie joined Harry, Ron, and Hermione for Divination, where Trelawney taught them to read tea leaves.
• Gavin carefully sketched Justin’s tea leaves and questioned Trelawney about her interpretation, while Ernie and Rolf argued over whether a shape in a cup was a falcon or a duck.
• Trelawney declared that Harry’s cup showed the Grim, but Gavin and Rolf explained that black dogs were common, easing the students’ fears and prompting Trelawney to dismiss the class.
• Gavin stayed behind and offered Trelawney a bottle of Helga Hufflepuff’s brew, persuading her to invite him to sit and talk.

Gavin questioned Trelawney about Cassandra Trelawney’s prophecies, hearing two stories that suggested ambiguity and self-fulfillment before an unverified account hinted at genuine foresight. After Trelawney got drunk, Gavin attended Transfiguration, explored the physical force of expanding objects, and left with a dangerous idea for a new weapon.

• Gavin asked Trelawney whether prophecy could be learned and recorded three accounts of Cassandra’s predictions, including one that came true without the people involved knowing of it.
• Trelawney became drunk before Gavin could ask about the experience of seeing the future, so he packed up and left for class.
• Professor McGonagall reassured Harry that Trelawney routinely predicted students’ deaths, then taught the class to transfigure matches into earthworms.
• Gavin asked McGonagall whether Transfiguration could generate real force, and she demonstrated that a shrunken paperweight could launch a textbook as it expanded.
• Gavin successfully transfigured his matchstick without an incantation and earned ten points for Hufflepuff.
• Gavin conceived a plan to expand a hollow sphere around an explosive and make it contract to detonate, then wondered whether the Golden Cup could produce nitroglycerin.

Gavin learned that Dumbledore had rejected his Time-Turner application and confronted him at the Headmaster’s Office, where he reunited with Newt and discussed his actions and Alice Longbottom’s recovery. The chapter ended with Gavin suspecting that the Philosopher’s Stone still existed after Dumbledore suggested its power might be replenished.

• Professor McGonagall told Gavin that Dumbledore had rejected his Time-Turner application and said he needed to drop courses that overlapped.
• Gavin tried sweets as passwords at the Headmaster’s Office, then opened it with “Cola Syrup” and overheard Newt and Dumbledore discussing him.
• Gavin entered the office, rejected Grindelwald’s “For the Greater Good” justification, and assured Newt he would protect Rolf while teasing Newt about Rolf’s behavior.
• Newt gave Gavin iced pastries from Tina, and Gavin endured one before Newt left to visit Rolf.
• Gavin admitted to Dumbledore that he had killed people in Romania and explained how he used the Philosopher’s Stone to help Alice Longbottom regain periods of lucidity.
• Dumbledore asked whether the ring’s power could be replenished, leading Gavin to suspect that the Philosopher’s Stone still existed.