Recaps

Gavin discovered that Quirrell had entered the forbidden room and agreed to help Harry, Ron, and Hermione stop him. A Hufflepuff celebration delayed Gavin, and when he finally checked the Marauder's Map again, the trio and Quirrell had disappeared, leaving him to rush after them.

• Gavin used the Marauder's Map to confirm that Quirrell had entered the forbidden room while Dumbledore was away.
• Gavin told Harry, Ron, and Hermione what he had seen, and they decided to stop Quirrell after Professor McGonagall refused to act.
• Gavin went to the Hufflepuff common room for supplies but was stopped by students demanding to hear how he trained Cedric to find the Golden Snitch.
• Gavin explained his mathematical model for predicting the Snitch's movements and left Cedric to answer the students' follow-up questions.
• Gavin checked the map and found that Harry, Ron, Hermione, and Quirrell were no longer visible, so he grabbed his prepared bag and hurried out.

Gavin reaches the chamber after Harry has used the potion needed to pass the black fire, then finds a way through and confronts Voldemort. After revealing that he survived the flames and helping Harry escape Quirrell, Gavin runs out of magic, but Harry’s touch burns Quirrell and the fight turns in their favor.

• Gavin finds the black fire blocking the way and extinguishes it by giving a toad the purple potion and sending it through the Violet Flame Door.
• Gavin enters the Mirror of Erised chamber as Voldemort demands the Philosopher’s Stone from Harry, then appears to burn to death in the black flames.
• Quirrell binds Harry and attacks him, but Gavin sheds a shell of transfigured fabric and reveals that he survived the fire.
• Gavin raises an Earthen Wall, blinds Quirrell with an intensified Lumos, disarms him, and frees Harry, but admits he has run out of magic.
• Gavin urges Harry to fight Quirrell; when Quirrell grabs Harry’s wrist, his hand burns, and Harry clutches his scar as Gavin declares that events are back on track.

Harry defeated Quirrell with the protection of his mother’s love, while Gavin recovered the Philosopher’s Stone and later explained his actions to Dumbledore. The chapter ended with Gavin asking for the Stone because he needed it to save Cordelia.

• Harry held Quirrell and pressed his hands to Quirrell’s face until Quirrell died, while Voldemort’s remnant soul escaped and threatened Gavin before vanishing.
• Gavin took the Philosopher’s Stone, and Dumbledore arrived; Gavin asked him not to destroy it and left with Dumbledore and the unconscious Harry.
• Dumbledore told Harry that his mother’s sacrifice protected him from Quirrell, and Harry reunited with Hermione and Ron in the Hospital Wing.
• At the Hufflepuff table, Gavin evaded Justin’s questions about the confrontation before Dumbledore summoned him to the Headmaster’s Office.
• Gavin explained to Dumbledore how he had deduced the Stone’s location and entered the Dungeon, and Dumbledore said he no longer feared Gavin would become another Dark Lord.
• Gavin asked Dumbledore for the Philosopher’s Stone, explaining that he needed it to save Cordelia.

Gavin persuaded Dumbledore to let him test whether the Philosopher’s Stone could help cure Cordelia’s Obscurus, even though the plan required Gavin to become an Obscurial again. As Gavin struggled to control the Stone, Cordelia learned she might have only a month to live and wrote asking him to visit.

• Gavin proposed using the Philosopher’s Stone to alter Cordelia’s Consciousness Space and volunteered to become an Obscurial for the test.
• Dumbledore agreed to help Gavin, with the condition that he would stop the attempt if it became dangerous.
• Gavin began practicing with the Philosopher’s Stone in Dumbledore’s office, where his efforts made objects fly and tremble until Dumbledore ordered him to stop.
• At St. Mungo’s, Healer Vittel told Cordelia that she might have about a month to live, and she asked him not to inform Dumbledore.
• After waiting two weeks without hearing from Gavin, Cordelia wrote to him asking him to visit soon.

Gavin used the Philosopher's Stone to enter Dumbledore's Consciousness Space, where he could touch and manipulate Dumbledore's consciousness form but could not move it. Suspecting Dumbledore was simply too powerful for his current abilities, Gavin tested the toad's Consciousness Space and managed to shift its tiny consciousness form.

• Gavin entered Dumbledore's Consciousness Space and found a giant version of Dumbledore beside an enormous whirlpool and the Alaya Consciousness river.
• Gavin touched Dumbledore's consciousness form and changed its pose, but repeated attempts to move it failed.
• Gavin spent another week testing different methods, then wondered whether Dumbledore's consciousness was too powerful for him to move.
• Gavin rushed back to Dumbledore with his toad and proposed testing a weaker consciousness instead.
• Gavin entered the toad's Consciousness Space and nudged its small gray-green consciousness form a short distance.

After succeeding in entering another person’s Consciousness Space, Gavin learned that Cordelia was near death and had been taken to the Department of Mysteries for Obscurus research. He reached St. Mungo’s as the Unspeakables prepared to take her away.

• Gavin told Dumbledore that his consciousness had interfered with the experiment, then learned Dumbledore planned to find other test subjects.
• Dibby arrived at Hogwarts and told Gavin that Cordelia had sent him a letter a week earlier.
• Gavin found Cordelia’s letter and learned she would not survive the month and had chosen to donate herself to the Department of Mysteries.
• At St. Mungo’s, Cordelia accepted restraints and prepared to leave with two Unspeakables.
• Gavin rushed into the courtyard and shouted that Cordelia was not going anywhere.

Gavin stopped the Unspeakables from taking Cordelia to the Department of Mysteries, and Dumbledore secured three days to respond to their demand. Gavin then revealed that his Philosopher’s Stone experiment proved his theory could save Cordelia, leaving her overwhelmed with hope.

• Dumbledore arrived at St. Mungo’s and found Gavin standing between Cordelia and two Unspeakables who planned to take her for research.
• Dumbledore persuaded the Unspeakables to leave Cordelia at St. Mungo’s for three days while he prepared a written response.
• Gavin confronted Cordelia for agreeing to donate her body, and she kissed him and explained that she wanted to spare him further pain.
• Gavin refused to let Cordelia give up her life, insisting she repay him in this one.
• Gavin told Cordelia that the Philosopher’s Stone had helped him move a toad’s consciousness, proving he could change her connection to the Obscurus and save her.

Gavin and Dumbledore took Cordelia to a Welsh beach, where Gavin tried to draw her consciousness away from the Obscurus. The attempt unleashed dangerous dark magic, but Cordelia’s mother, Elizabeth Rowle, appeared in her Consciousness Space and stopped it.

• Dumbledore flew Gavin and Cordelia to a remote beach on a Flying Carpet, where Gavin began entering Cordelia’s Consciousness Space with the Philosopher’s Stone.
• Gavin found Cordelia beneath the black Whirlpool and pulled her forward, triggering a surge of her painful emotions and dark magic.
• Cordelia’s silver bracelet shattered as black vapor erupted from her, and Dumbledore’s sealing spells failed to contain it.
• Dumbledore trapped the dark magic beneath a silver dome, and the vapor eventually began retreating into Cordelia.
• Inside the Consciousness Space, Cordelia attacked Gavin with dark magic until white light emerged from the Whirlpool and took the form of a woman.
• The woman embraced Cordelia, stopped the attack, and introduced herself to Gavin as Elizabeth Rowle, Cordelia’s mother.

Gavin met Elizabeth Rowle in Cordelia’s Consciousness Space and learned that her Love Magic had kept the Obscurus from killing her daughter. Elizabeth helped Gavin lead Cordelia toward her own Whirlpool, then vanished after asking him to tell Cordelia that she loved her; Cordelia woke healed, and Gavin told her the truth about her mother.

• Elizabeth revealed that she had used Love Magic to protect Cordelia and keep the Obscurus from killing her.
• Elizabeth said Gavin and the Philosopher’s Stone had helped Cordelia break free, and she could do no more to help.
• Gavin and Elizabeth took Cordelia’s hands and led her away from the black Whirlpool toward Cordelia’s tiny white Whirlpool.
• Elizabeth placed Cordelia’s hand in Gavin’s, asked him to pass on her loving message, and dissolved into starlight.
• Cordelia woke beside Gavin and Dumbledore, felt healthy again, and thanked Gavin for saving her.
• Gavin told Cordelia that her mother, Elizabeth Rowle, deserved most of the credit.

Gavin told Cordelia how her mother’s dying Love Magic had protected her from the Obscurus, and Dumbledore showed her the memory so she could hear Elizabeth Rowle’s words for herself. After Gavin found the Obscurus greatly diminished, Cordelia chose to learn magic, ending the chapter delighted by her first Lumos and the glowing sea it illuminated.

• Gavin told Cordelia that Elizabeth Rowle’s Love Magic had protected her from the Obscurus and that her mother had never blamed her.
• Dumbledore used Memory Replay to show Cordelia Gavin’s memory of Elizabeth’s final words, and Cordelia told her mother she loved her.
• Gavin checked Cordelia’s Consciousness Space and found the Obscurus reduced to washbasin size while the white whirlpool had grown nearly as large as Dumbledore’s.
• Cordelia said she wanted to learn magic so she could hear her mother’s voice again, and Gavin began teaching her Lumos.
• Cordelia cast a dazzling Lumos that lit the bay and drew glowing fish toward the shore, and she said she was starting to like magic.

Gavin returned to Hogwarts with Dumbledore after helping stabilize Cordelia, and agreed to write an anonymous article announcing that an Obscurus could be cured to draw her father, Alaric Rowle, back. He accepted Dumbledore’s Amulet and later caught up with Cedric in the kitchen as the school year neared its end.

• Dumbledore sent Cordelia back to St. Mungo’s with Dibby, and Cordelia asked Gavin to visit again soon.
• Dumbledore told Gavin he planned to publish an anonymous announcement that an Obscurus could be cured to bring Alaric Rowle back and protect Cordelia; Gavin agreed to write it while omitting the method.
• Dumbledore offered Gavin an Amulet that could block a Killing Curse, and Gavin accepted it.
• In the kitchen, Cedric mistook rice noodle roll for the pork sausage Gavin liked, and Gavin cooked the dish while they talked.
• Cedric told Gavin that Hufflepuff had won the Quidditch Cup, Harry Potter and Malfoy had received detention, and Hufflepuff stood second in House points.
• Gavin learned that it was June 18 and that the End-of-Year Feast was the following night, then refused to make Cedric another serving of sausage.

Gavin returned to Hogwarts after secretly helping Dumbledore and kept his role in the Philosopher’s Stone incident from Ernie and Justin until Harry and his friends filled them in. As the school year ended, Gavin revealed that Cordelia had recovered, then went to St. Mungo’s to see her.

• Gavin reunited with Ernie and Justin, told them he had studied the Philosopher’s Stone, and joined them for a fishing trip where he caught nothing.
• Harry, Ron, and Hermione thanked Gavin for helping during the Philosopher’s Stone incident, explained that Norbert had reached Romania, and told Ernie and Justin more of what Gavin had kept secret.
• Gavin returned the Marauder’s Map to Fred and George, who realized he had figured out how to use it.
• Dumbledore awarded Gryffindor points for Harry, Hermione, Ron, and Neville, giving Gryffindor the House Cup while Gavin accepted that his own part had to remain secret.
• After the students left Hogwarts, Gavin told Professor McGonagall that Miss Rowle’s condition was resolved and went to St. Mungo’s, where Cordelia greeted him with a happy smile.

Cordelia left St. Mungo’s for Rowle Manor with Gavin and began rebuilding her life there while keeping the truth about her recovery secret. After the Daily Prophet reported that Dumbledore and the mysterious scholar Wishtoday might have solved the Obscurus, Alaric Rowle returned and reunited with his daughter.

• Cordelia said goodbye to the staff at St. Mungo’s, and Dibby Apparated her and Gavin to Rowle Manor.
• Gavin was astonished by the scale of the manor and helped Dibby clean it, persuading Cordelia to practice magic with Scourgify.
• A week later, Gavin read a Daily Prophet article about Dumbledore and the mysterious scholar Wishtoday, the pen name he had suggested.
• Dumbledore arrived at Rowle Manor with Alaric Rowle, who ran to Cordelia and embraced her as they both cried.

Alaric returned from Nepal and reunited with Cordelia after Gavin helped save her from the Obscurus, then Gavin left Rowle Manor for his empty family home. There, he received a warning from the Ministry for using magic, while Healer Vittel remained unaware that Cordelia had survived.

• Dumbledore told Gavin that Alaric had spent two years in Nepal seeking a treatment for the Obscurus and returned after reading about Cordelia in the Daily Prophet.
• Alaric thanked Gavin for saving Cordelia, and he and Cordelia shared painful memories and reconciled at Rowle Manor.
• Cordelia and Alaric asked Gavin to stay longer, but he left with Dumbledore and returned to his family home.
• Gavin used Lumos to turn on the lights and received a Ministry warning because the Trace detected his underage magic.
• Gavin settled into the empty house, thought about writing to Cordelia, and considered getting a House-elf.
• Healer Vittel drank at the Leaky Cauldron, believing Cordelia had died, and angrily blamed Dumbledore for failing to save her sooner.

Gavin returned to Oxford and worked with Professor Bill Roscoe before agreeing to attend a semiconductor conference in Romania. He then met Cordelia at King's Cross on July twelfth, where she asked whether she looked pretty.

• Gavin reviewed Professor Bill Roscoe's research reports and spent a week sending him several review papers and research plans.
• Professor Bill Roscoe gave Gavin an early Nokia mobile phone and invited him to represent the group at a semiconductor conference in Romania, providing a passport and plane ticket.
• Gavin received a letter from Cordelia inviting him to go out on July twelfth.
• Gavin arrived early at King's Cross and met Cordelia, who appeared healthy and asked him, “Do I look pretty?”

Gavin took Cordelia on her first outing in Muggle London, celebrating her birthday at the zoo and giving her a mobile phone so they could stay in touch. The day ended with Cordelia reunited with Alaric and calling Gavin to ask where they would go tomorrow.

• Gavin met Cordelia at King's Cross, admired her dress, and took her by taxi to London Zoo while Alaric watched them leave.
• Cordelia explored the zoo's animals and Muggle attractions, then declared pandas her favorite because they came from the same place as Gavin.
• Gavin celebrated Cordelia's birthday with a chocolate cake and gave her a mobile phone as a present.
• Gavin brought Cordelia back to King's Cross, where Alaric thanked him for giving her a happy day.
• After saying goodbye, Gavin received Cordelia's first call on her new phone, and she asked where they would go tomorrow.

Cordelia chose to make up her first-year lessons over the summer so she could enter the same year as Gavin, while Gavin attended a semiconductor conference in Romania and reunited with Norbert. After discovering Norbert had been wounded by a violent Black Dragon, Gavin was carried to the dragon’s cave and faced a confrontation.

• Gavin teased Cordelia by calling her an underclassman, and she decided to take Alaric’s summer tutoring and sit the resit exam.
• Gavin attended the semiconductor conference in Bucharest, spoke with researchers who knew his work, and learned Yvette hoped Professor Bill Roscoe would return next year.
• Charlie Weasley met Gavin and took him to the Romanian Dragon Sanctuary to see Norbert and gather news for Hagrid.
• Andrew Marcus required Gavin to sign a safety waiver and pay a deposit before entering Norbert’s enclosure.
• Norbert greeted Gavin, and Gavin noticed a wound Norbert had received fighting a newly arrived, aggressive Black Dragon.
• Norbert carried Gavin to a cave and urged him to face the Black Dragon, whose violet eyes appeared in the darkness.

Gavin and Norbert fought a larger Hebridean Black inside its cave, where Gavin used the Obscurus to kill it after his spells and Norbert’s attacks failed. Charlie and others arrived as Gavin concealed a mysterious, heat-reactive Crest he found in the dragon’s remains.

• The Hebridean Black attacked Gavin at the cave entrance and overpowered Norbert in the ensuing fight.
• Gavin blinded the black dragon with enhanced Lumos while Norbert wounded it, then used the cave’s weapons, a swamp, and a severed wing membrane to hinder it.
• Gavin unleashed the Obscurus, invaded the black dragon’s brain, and killed it, leaving himself exhausted.
• Norbert celebrated their victory, then panicked when the dead dragon expelled stomach contents across the cave.
• Gavin found a warm, heat-reactive Crest among the dragon’s vomit and hid it when Charlie and others entered the cave.

Gavin used a signed agreement to stop Andrew from claiming the Black Dragon’s carcass, then was detained at the sanctuary while awaiting help. During his confinement, he practiced and began experimenting with the Shield Charm, deciding to ask Professor Flitwick for guidance when term began.

• Andrew accused Gavin of poaching, but Gavin cited the magically notarized agreement that made the Black Dragon carcass his private property, and Charlie confirmed the dragon had nearly killed him.
• Gavin accused Andrew of concealing the dragon’s infection, and Andrew withdrew rather than confront Norbert, though he later detained Gavin at the sanctuary.
• Gavin wrote to Mr. Rowle asking for help, then spent two days practicing the Shield Charm while confined in an employee dormitory.
• Gavin tested a layered, prestressed Shield Charm inspired by Rupert’s Drop, but his experiments used too much Magic for only a small improvement.
• Gavin considered other ways to strengthen the spell and decided to ask Professor Flitwick for guidance when term began.

Alaric Rowle secured Gavin’s release from the Romanian Dragon Sanctuary and brought him back to Rowle Manor, where Cordelia insisted he rest and explain what happened. The chapter leaves Gavin recounting his cave ordeal while Alaric reads Dumbledore’s letter about Cordelia’s studies and late-night Lumos spells.

• Alaric confronted Andrew Marcus with evidence of sanctuary misconduct and obtained Gavin’s deposit and claim to the unregistered dragon’s carcass.
• Alaric gave Gavin the dragon’s remains in a Transport Bag and the recovered spoils in a storage pouch, then took him by Portkey to Rowle Manor.
• Cordelia checked Gavin for injuries and insisted he stay at the manor instead of going home.
• Cordelia settled Gavin in the sitting room with Hot Chocolate and Butter Biscuits and asked him to explain the blood on his robes.
• Alaric read Dumbledore’s letter, which praised Cordelia’s Charms progress and asked her to stop casting Lumos late at night.

At Rowle Manor, Alaric helped Gavin fill gaps in his basic Charms and shared an ancient meditation tradition resembling Gavin’s Consciousness Space theory. After Cordelia’s phone battery died, Gavin began investigating whether magic could charge it, leaving him considering direct control of its electrons.

• Cordelia settled Gavin into a guest room, and Alaric began teaching him Charms while pointing out gaps in his basic magical knowledge.
• Gavin checked Cordelia’s Consciousness Space, observed that its black Whirlpool had shrunk while her white Manas Consciousness remained unchanged, and heard Alaric describe similar ideas from Kathmandu.
• Cordelia stopped Gavin from taking Alaric’s notes on Meditation techniques after warning that he would recklessly try them.
• Cordelia and Gavin bought replacement batteries for her phone, and the shop clerk mistook their bulk purchase for a business venture.
• Gavin tried using Transfiguration to charge a dead battery, but each attempt quickly reverted, so he proposed moving its electrons directly instead.

Cordelia went to Diagon Alley with Gavin to buy schoolbooks, where she met Harry, Ron, and Hermione and witnessed the confrontation between Lucius Malfoy and the Weasleys. Gavin secretly took Tom Riddle's Diary from Ginny's fallen cauldron and left with Cordelia, whose wand came from her mother.

• Cordelia went to Flourish and Blotts with Gavin and befriended Hermione while Harry and Ron joined their conversation.
• Lucius Malfoy insulted Cordelia and the Weasleys, and Arthur Weasley attacked him after Lucius mocked his family and the Grangers.
• As Hagrid separated the men, Gavin secretly slipped Tom Riddle's Diary from Ginny's spilled books into his Dragon Hide Bag.
• Hagrid led the Weasleys, Harry, and Hermione out of the shop, while Gilderoy Lockhart gave Cordelia signed books and posed for a photograph.
• Gavin left Flourish and Blotts with Cordelia, who showed him her mother's willow wand.

Gavin posed as Justin Finch-Fletchley to question Tom Riddle through the Horcrux notebook, first baiting Tom with Muggle mathematics and then drawing out his ideas about Transfiguration. Tom’s theories gave Gavin a new direction for studying permanent change, and the exchange ended with Tom asking what had happened to Voldemort in 1992.

• Gavin opened the notebook while pretending to be bullied Muggle-born student Justin Finch-Fletchley, and Tom Riddle introduced himself.
• Gavin unsettled Tom by asking him calculus and geometry questions, then invited him to discuss the wizarding world.
• Tom explained Gamp’s Five Exceptions and proposed that a wizard’s perception and precise targeting might limit Transfiguration.
• Tom suggested that the Super-Sensory Charm could help a wizard perceive an object’s components, giving Gavin a new lead on permanent Transfiguration.
• Tom asked who Professor McGonagall was, learned Dumbledore was Headmaster, and asked what year it was.
• After Gavin said it was 1992 and that Voldemort was famous, Tom asked what had become of Voldemort, but Gavin abruptly ended the conversation.

Gavin misled Tom Riddle with a fabricated story about Voldemort before learning to refine his magical perception with Tom’s guidance. Dumbledore agreed Cordelia could enroll at Hogwarts under her real name, while Gavin resolved to give Dumbledore the diary when school began.

• Gavin told Tom that Grindelwald had returned, taken Voldemort in as his deputy, and made him do menial work, then redirected Tom’s questions toward magic.
• Tom taught Gavin to narrow the Super-Sensory Charm’s range, and Gavin used the technique to examine and crack a grain of sand.
• Dumbledore discussed the risks of Cordelia enrolling under the Rowle name, and Alaric insisted she attend Hogwarts under her real name.
• Dumbledore and Gavin concluded that Cordelia’s past was unlikely to be discovered and that her Obscurus was continuing to shrink, so Dumbledore approved her using her real name.
• Gavin dreamed Draco exposed his deception to Tom, woke frightened, and decided to give Dumbledore the diary when school started.

Gavin and Cordelia played Quidditch on the pitch at Rowle Manor, where Gavin used mathematical models to catch the Snitch and taught Cordelia how to predict its flight. After adapting her strategy, Cordelia beat him in their fourth round and celebrated her victory.

• Cordelia took Gavin to Rowle Manor’s Quidditch Pitch and challenged him to catch a special-edition Snitch.
• Gavin used a modified Super-Sensory Charm to catch the Snitch quickly, then caught it again without magic by calculating its path.
• Gavin explained Snitch-flight modeling to Cordelia, who realized that changing the release point could make prediction harder.
• Cordelia had Dibby release the Snitch from a random location, forcing Gavin to spend longer tracking it.
• Cordelia changed her gaze and flight route in the fourth round, caught the Snitch first, and celebrated her win.