Chapter Summaries

Vaughn accompanied Dumbledore to visit Newt Scamander in Dorset, where Newt agreed to shelter the unicorn herd. Dumbledore then revealed he hoped Newt would nurture Vaughn’s interest in magical creatures, leaving Newt to recognize that Dumbledore had arranged the visit partly to recruit him as Vaughn’s mentor.

• Dumbledore Apparated with Vaughn to Newt Scamander’s home, where Tina initially slammed the door on them.
• Tina welcomed Vaughn warmly, while Newt learned that Vaughn was Arthur Weasley’s son and Charlie Weasley’s brother.
• Dumbledore asked Newt to shelter the unicorn herd, and Newt agreed on the condition that it would only be temporary.
• Newt and Dumbledore Apparated to the Forbidden Forest to search for the unicorns, while Tina took Vaughn to see fantastic beasts.
• Dumbledore told Newt about Vaughn’s maturity and achievements, then asked him to cultivate Vaughn’s interest in fantastic beasts.

Vaughn and Tina toured Newt’s basement sanctuary, where Newt cared for magical creatures rescued from smugglers. After Vaughn claimed his unicorn-language reward, Dumbledore asked whether he would visit Newt again, leaving Vaughn suspicious of his intentions.

• Tina showed Vaughn the Erumpents and explained Newt’s efforts to rescue and breed them.
• Tina led Vaughn through habitats containing rescued magical creatures, including Kelpies, Nundus, Billywigs, and an Occamy.
• Dumbledore and Newt expanded the basement with the Undetectable Extension Charm, and Newt released the rescued unicorns.
• Vaughn claimed the completed unicorn-rescue quest reward and gained the ability to understand unicorns insulting him and Dumbledore.
• After returning to Hogwarts, Vaughn heard Dumbledore ask whether he would visit Newt again and wondered what Dumbledore was planning.

Vaughn considered Dumbledore’s suggestion about meeting Newt and recorded his curiosity about magical creatures and the nature of magic. At Hogwarts, a flu outbreak filled the Great Hall with steam, while Hermione asked Vaughn for help studying ahead of exams.

• Vaughn weighed the chance to meet Newt against his suspicion that Dumbledore was trying to steer him, then wrote down his ideas about magical creatures and magic in his diary.
• A flu outbreak swept through Hogwarts, and Madam Pomfrey prepared Pepperup Potion that made its drinkers emit smoke from their ears.
• Fred and George shaped the students’ steam, while Dumbledore amused himself and Snape glared at him through the smoke.
• Vaughn sent Fruit Tea after Ron’s pet rat, Scabbers, and the cat chased Ron around the Great Hall.
• Hermione asked Vaughn questions about Transfiguration, and he explained how clear emotions and a strong desire to succeed helped spells work.
• Hermione asked to study with Vaughn regularly, and her talk of exams left Harry worried about how little time remained.

Harry and Ron grew anxious about Halloween as Vaughn advanced his potion research and transformed Scarpin's Revelaspell to reveal a potion's properties. Ron borrowed money from Vaughn for gifts, but Vaughn hinted that he would ask Ron to help with something in return.

• Harry panicked about time passing and Halloween approaching, while Ron worried that he had no money for gifts.
• Harry learned that Gryffindor's first Quidditch match would be against Slytherin, and he noticed Ron behaving strangely around Vaughn.
• Vaughn invested five Reputation Points in Scarpin's Revelaspell and used it to reveal a finished potion's properties instead of reducing it to ingredients.
• Snape praised Vaughn's achievement and awarded Slytherin ten points, then took two points from Gryffindor after finding Ron outside his office.
• Ron asked Vaughn to lend him ten Sickles for Halloween gifts, and Vaughn agreed before saying he needed Ron's help with something.

As Hogwarts celebrated Halloween, Harry and Hermione realized Ron and Vaughn were missing after Professor Quirrell announced that a troll had entered the dungeons. The chapter ended with them deciding to search upstairs for the brothers while the professors went to confront the troll.

• Professor Binns lost his temper when Seamus Finnigan asked about monsters and ghosts during History of Magic.
• Vaughn silenced Ron at the Great Hall table, and Harry pretended not to notice.
• After Quidditch practice, Harry found Ron missing from the Halloween feast while Hermione said Vaughn had called him away.
• Professor Quirrell burst into the Great Hall, announced that a troll was in the dungeons, and fainted.
• Dumbledore sent the students back to their common rooms and led the professors toward the dungeons.
• Harry and Hermione remembered that Ron and Vaughn were missing and decided to search upstairs for them.

Vaughn watched Quirrell leave the Great Hall and head upstairs, then killed the troll that confronted him and Ron. After arranging for Ron to watch the basement exit, Vaughn followed Quirrell toward the Philosopher’s Stone, relying on an object in his pocket for confidence.

• Vaughn saw Quirrell leave the Great Hall and hurry upstairs after the professors had gone to deal with the emergency.
• A troll found Vaughn and the invisible Ron in the corridor, and Vaughn killed it with a rapid series of spells.
• Vaughn removed Ron’s Disillusionment Charm and gave him instructions to watch the basement exit and alert him if the professors returned.
• Vaughn used burned hair to cast a temporary protective spell on Ron and himself, then followed Quirrell upstairs toward the Philosopher’s Stone.

Vaughn used a Disillusionment Charm to move through Hogwarts and discovered Harry and Hermione hiding in a fourth-floor classroom. Harry’s scar hurt when he saw a black-robed figure, and Vaughn intervened as the figure tried to attack him.

• Vaughn practiced the Disillusionment Charm and used an Ear-Enhancing Charm while searching the corridors for Quirrell.
• Harry and Hermione searched for Vaughn and Ron, then hid in a fourth-floor Charms classroom when they heard footsteps approaching.
• Harry saw a black-robed figure pass and collapsed as pain erupted from his scar.
• The black-robed figure turned toward Harry and began casting a spell, but Vaughn appeared and cast Expelliarmus.
• The figure blocked Vaughn’s spell with Protego, but the shield shook under its force.

Vaughn fought Voldemort, who was possessing the black-robed man, and escaped with Harry and Hermione after using a phoenix feather to summon Fawkes. In Dumbledore’s office, the others were sent for medical examinations while Dumbledore kept Vaughn behind.

• Vaughn defended himself from the black-robed man’s attacks and hit him with Sectumsempra as Harry saw Voldemort raise his wand.
• Vaughn ignited a phoenix feather, and Fawkes appeared just as the black-robed man cast Avada Kedavra; the man fled when Dumbledore approached.
• Vaughn took Harry and Hermione into the Charms classroom, then thanked Fawkes, who had been reduced to a naked chick by the green light.
• Dumbledore arrived, checked that Vaughn, Harry, and Hermione were unharmed, and later summoned the students and professors to his office.
• Professor McGonagall scolded Vaughn, Ron, Harry, and Hermione, while Dumbledore sent Snape and Flitwick to clean up the troll and McGonagall to take the others for examinations.
• Dumbledore asked Vaughn to stay behind after the others left the office.

Vaughn confronted Dumbledore about the Philosopher’s Stone, Quirrell’s attack, and the hidden events on the fourth floor, while probing why Harry had begun sensing Voldemort’s thoughts. Dumbledore agreed to explain but asked Vaughn to keep the truth secret, and Snape arrived furious after learning Vaughn was involved in Harry’s training.

• Vaughn questioned Dumbledore about the Philosopher’s Stone, Quirrell’s Killing Curse, and the concealed battle on the fourth floor.
• Vaughn recalled Harry saying he had sensed Voldemort’s anger and hatred, a connection Vaughn thought should not yet exist.
• Dumbledore asked Vaughn to keep his explanation secret, and Vaughn agreed.
• Snape ruined a batch of Draught of Living Death after recognizing Voldemort’s dark magic, then hurried to Dumbledore’s office.
• Snape accused Dumbledore of manipulating Vaughn and Harry, but Dumbledore said Vaughn had offered to help train Harry as part of a deal.

Dumbledore showed Snape the memory proving Voldemort had survived as a soul fragment and explained his deal with Vaughn, while Snape questioned Dumbledore’s motives. After Snape left, Dumbledore revisited Vaughn’s revelation that Voldemort had used a Horcrux, leaving him troubled by what it implied.

• Dumbledore showed Snape the Pensieve memory of Quirrell casting the Killing Curse and Vaughn wounding the Voldemort fragment within him.
• Dumbledore said Voldemort was alive and preparing to return, while Snape feared his hatred of Harry and Vaughn would grow.
• Snape suspected Dumbledore had arranged events, but Dumbledore said the clash between Harry’s and Tom’s fates had caused the disturbance.
• Dumbledore told Snape that Vaughn had demanded recognition and fair treatment in exchange for helping train Harry and oppose Voldemort.
• After Snape left, Dumbledore revisited the memory of Vaughn identifying a Horcrux as the reason Voldemort had survived, and he reflected with fear and sorrow.

After the troll’s death, Ron celebrated by telling an exaggerated story that credited Vaughan with the kill and himself with a powerful contribution. Harry and Hermione questioned Dumbledore’s secrecy about the fourth-floor incident, suspected a professor might be involved, and went to check on Vaughan.

• Filch’s notice announced that Vaughan and Ron lost points for leaving the feast but earned Slytherin and Gryffindor points for killing the troll.
• The Weasley twins hosted a celebration feast, where Ron exaggerated his role in the fight and described Vaughan’s spells.
• Hermione told Harry that Ron’s account was exaggerated, and Harry wondered why Dumbledore had ordered them to hide what happened on the fourth floor.
• Hermione suggested Dumbledore might be investigating a professor and rejected Harry’s suspicion that Snape was the black-robed figure.
• Hermione told Harry that Snape had taught Vaughan the Sectumsempra spell, then left to check on Vaughan, with Harry following her.

Vaughan reviewed Voldemort’s weakened state and spent Fame Points to improve the Patronus Charm and Vanishing Spell. He successfully cast his first Patronus, which took the form of a Maine Coon cat.

• Vaughan concluded that Voldemort was draining Quirrell’s life force and had acted out of fear of losing his last loyal servant.
• Vaughan saw that his Fame Points had risen by one and spent four points on the Patronus Charm and one on the Vanishing Spell.
• Vaughan explained that his difficulty summoning a Patronus had come from struggling to recall happy memories strong enough to fuel the spell.
• Vaughan cast the Patronus Charm and recalled joyful memories from both his past life and his life with the Weasleys.
• Vaughan summoned a blue-white Maine Coon Patronus and realized that tears were running down his cheeks.

Vaughn successfully conjured a Patronus in the shape of Fruit Tea, then investigated the Vanishing Spell and discovered that vanished matter remained in an unstable, spell-sustained state. He considered studying how the spell affected living creatures and souls, but recognized that such research was taboo.

• Fruit Tea startled at Vaughn’s Patronus, then realized it was harmless and demanded compensation for the scare.
• Vaughn reflected on why his Patronus took Fruit Tea’s form, then ended the spell and turned to the Vanishing Spell.
• Vaughn used the Vanishing Spell on a pebble and sensed that it could return when the spell ended, though outside interference might make the disappearance permanent.
• Vaughn considered vanishing a slug to investigate what happened to its soul, but decided he lacked the means to observe it.
• Vaughn thought about making soul research a project after developing his new potion, then recalled that soul-targeting magic was taboo.

Vaughan realized Dumbledore distrusted him because of what he knew about Horcruxes, and he considered using Harry to reassure the Headmaster. Harry and Hermione visited Vaughan in the Slytherin common room, where Vaughan revealed a spell that made a pebble truly disappear and warned Harry that his problem was serious.

• Vaughan recalled that Dumbledore had hidden books on dark magic and souls, and decided he needed to gradually earn Dumbledore's trust.
• Harry and Hermione encountered Professor Quirrell, who was recovering from his encounter with the troll and was mocked by students.
• Harry and Hermione entered the Slytherin common room after telling a student they were Vaughan Weasley's friends, and they passed Malfoy on the way to Vaughan's dormitory.
• Hermione greeted Fruit Tea while Harry watched Vaughan cast a spell that made a pebble vanish completely.
• Vaughan asked Harry what he thought of the spell, then told him that his problem was serious.

Vaughn convinced Harry that Voldemort’s influence was threatening to overwhelm his mind and arranged for him to ask Dumbledore for Occlumency lessons. Dumbledore considered asking Snape to teach Harry, but Vaughn revealed that he knew Occlumency and demonstrated his Patronus, leaving Dumbledore reassured about his abilities.

• Vaughn warned Harry that Dark magic was influencing his thoughts and told him Occlumency could save him, though Dumbledore might refuse to teach it.
• Vaughn had Harry write Dumbledore a letter requesting lessons, and Harry went to the Great Hall convinced his condition was worsening.
• Dumbledore began asking Snape to teach Harry, but an owl delivered Harry’s letter, and Dumbledore sprayed pumpkin juice over Snape’s meal while reading it.
• Vaughn visited Dumbledore and argued that Snape’s hostility would make him a poor teacher for Harry.
• Dumbledore questioned Vaughn’s suitability, and Vaughn cast a Patronus Charm that impressed Dumbledore.

Vaughn studied memory magic and began teaching Harry Occlumency, using Legilimency to enter Harry’s mind. He glimpsed Harry’s memories and a romantic dream before Harry forced him out.

• Vaughn received a book on memory magic from Dumbledore and studied its account of memory’s role in spells and advanced Transfiguration.
• Snape refused to revise his agreement with Vaughn until after the Quidditch season, telling him to speak again after defeating Potter.
• Harry met Vaughn in the Room of Requirement to begin learning Occlumency.
• Vaughn explained that he would use Legilimency during the lessons, then successfully cast the spell after several failed attempts.
• Vaughn saw Harry’s memories, including a dream in which Harry held a girl’s hand, and Harry expelled Vaughn from his mind.

Vaughn continued using Harry to practice Legilimency and promised him a Sweet Dream Charm in exchange for cooperating. After reviewing Harry’s memories with Dumbledore, Vaughn found no sign that Tom had tampered with them, though Dumbledore warned him that Tom was skilled at hiding his influence in people’s minds.

• Harry lost heart over his lack of progress in Occlumency, but Vaughn persuaded him to cooperate by promising him a pleasant dream.
• Vaughn saw Harry dream of walking beside a girl, then promised not to tell anyone about it.
• Vaughn extracted his memory of Harry’s dreams and showed it to Dumbledore in a Pensieve.
• Vaughn and Dumbledore reviewed Harry’s memories and saw how much of his childhood had been bleak before Hogwarts.
• Vaughn found no signs that Tom had altered Harry’s memories, while Dumbledore warned him that Tom could conceal and magnify malice within a victim’s mind.
• Vaughn agreed to keep watching Harry and continued treating him as a target for Legilimency practice.

Harry prepared for Gryffindor’s Quidditch match against Slytherin while struggling with nerves and insomnia, and Vaughn prepared to play for Slytherin. The chapter ended with both teams getting ready to enter the pitch.

• Harry continued Occlumency practice, attended classes, and trained with Gryffindor as Wood increased their Quidditch sessions before Saturday’s match.
• Harry noticed Vaughn attending fewer Slytherin practices, and Wood encouraged Harry to help Gryffindor beat Slytherin.
• The night before the match, Harry worried about Slytherin’s larger players and asked Vaughn for a stronger Sweet Dream Charm, but stayed awake until dawn.
• At breakfast, Harry gave Fred and George’s Canary Cream to Ron, who turned into a giant canary before changing back and scolding his brothers.
• Harry forced himself to eat before the match, while Hermione wished Vaughn luck in Slytherin’s locker room and he ruffled her hair.

Vaughan helped Slytherin dominate Gryffindor by using his speed to disrupt their formation, while Flint and Pucey blocked Harry when he spotted the Snitch. The match remained underway as Fred broke free to help Harry.

• Vaughan used the Bludger to disrupt Gryffindor's Chasers, and Slytherin took an early lead.
• Slytherin extended its lead to 90–20 while Harry searched for the Golden Snitch.
• Harry dived after a golden flash, but Flint and Adrian Pucey blocked his path and repeatedly interfered with his broom.
• Vaughan kept Fred and George occupied with the Bludger, preventing them from helping Harry.
• Fred finally broke free to rush to Harry's aid, while Ron and Hermione watched anxiously and Hagrid offered them rock cakes.

During the Quidditch match, Harry’s broom went out of control and he fell, while Vaughan spotted the Golden Snitch. Vaughan rescued Harry before returning to catch the Snitch, securing Slytherin’s victory.

• Ron spotted Snape glaring at Harry, and Hermione saw Snape muttering as Harry’s broom began bucking wildly.
• Hermione set the Slytherin stands on fire to stop Snape, but the counterspell on Harry’s broom ended and he remained in danger.
• Angelina Johnson scored for Gryffindor, while Vaughan spotted the Golden Snitch and dived after it.
• Harry’s broom flipped over and threw him into a fall; Vaughan abandoned his pursuit of the Snitch, caught Harry, and carried him safely to the ground.
• Vaughan returned to the sky and caught the Golden Snitch, giving Slytherin a crushing victory as the crowd applauded his rescue of Harry.