Recaps

William completed his time-loop training, killed the Basilisk, and returned to the moment of the Quidditch match before winning Ravenclaw the House Cup. He settled into a summer home with Hermione and Anne, trained Hermione, and prepared to begin his Animagus transformation while Anne received her Hogwarts letter.

• William investigated the forbidden area during the time loop, learned Ancient Runes, Apparition, and Occlumency, and repeatedly tested himself through dangerous challenges.
• Harry and Ron died in the trapdoor chamber, and William followed Harry as Voldemort revealed himself, killed him, and fled after Harry swallowed the Philosopher’s Stone.
• An eagle emerged from William’s ring and carried him through a whirlpool, ending the loop and returning him to the Quidditch match.
• William concealed the Basilisk in fog, blinded and killed it with a rune-enhanced sword, then argued with Snape over the venom as Dumbledore drove Voldemort away.
• William helped Ravenclaw win the Quidditch Cup and House Cup, finished his exams, and traveled home as Lucius Malfoy plotted to plant Tom Riddle’s diary on one of Arthur Weasley’s children.
• William brought Hermione, Anne, and Bobocha to his renovated summer home, Bag End, where Luna Lovegood soon became a regular visitor and took Hermione and Anne to see unicorns.
• William encouraged Hermione’s cooking, trained her in spellcasting and combat, and told her he would soon begin his Animagus transformation.
• Hermione agreed to stay with William during the transformation, and Anne arrived with her Hogwarts acceptance letter, which William laughed over after reading Dumbledore’s revisions.

William became an Animagus, helped Harry and Ron survive their flight into the Whomping Willow, and returned to Hogwarts for the start of the year. There, Luna and Anne were sorted into Ravenclaw and Gryffindor, Lockhart took up his teaching post, and William began investigating the Bowtruckles and Ravenclaw’s Diadem.

• William drank the Animagus potion during a storm, transformed into a Steller's sea eagle, and flew Hermione above the dawn clouds.
• William visited the Burrow, helped the twins repair Arthur’s flying car, and later brought Harry from Borgin and Burkes to Diagon Alley.
• William discussed House-elf rights with Hermione, who decided to approach the Hogwarts house-elves, while Anne chose a wand and William bought brooms for her and Hermione.
• William discovered a cryptic prophecy in The Predictions of Tycho Dodonus and intervened when Lucius Malfoy and Mr. Weasley fought in Diagon Alley.
• As the new term began, William searched for Harry and Ron after they went missing from the train, then saw them flying the Ford through the clouds.
• William, Cedric, Fred, and George reached the Whomping Willow’s tunnel, where William lured away Bowtruckles before the flying car crashed into the tree.
• William transformed into an eagle and caught Harry and Ron as they jumped from the car, then returned them to the castle, where McGonagall discussed his timetable with him.
• Luna revealed her mind-reading ability, Anne chose Gryffindor and befriended the Sorting Hat, and Lockhart was introduced as the new Defence Against the Dark Arts professor.
• William showed Hermione the Bowtruckles and gave her a ring with expanded space for one, while Cedric arranged for them to help treat the Whomping Willow.

William navigated school rivalries, investigated the attacks connected to the Chamber of Secrets, and helped Ravenclaw face Slytherin in a Quidditch match. The match ended when Colin Creevey was attacked, and the students began carrying Clabberts as warnings.

• Professor Trelawney gave William ominous predictions, while Griselda Marchbanks awarded him the Most Promising Newcomer Award for his Animagus achievement.
• William joined Kettleburn’s Care of Magical Creatures lessons and later negotiated with Lockhart for shampoo bottles while collecting the Occamy Eggs he needed for Felix Felicis.
• Anne and Hermione confronted Malfoy after he insulted Hermione, and McGonagall punished them while also awarding Gryffindor points for defending their classmates.
• William, Hermione, and Anne cleaned the kitchen and dumped rotten food in Moaning Myrtle’s bathroom, where Myrtle asked William to accompany her to the Deathday Party.
• After Filch was found unconscious beside a blood-drawn Graphorn, William and Dumbledore reasoned that Harry was the attacker’s intended target and that the attacks could be part of a plan to ruin Harry’s reputation.
• William, Cedric, Fred, and George explored a secret passage and found evidence that a Basilisk could travel through Hogwarts’ pipes, while Fred brought a Niffler to help search the sewers.
• Ravenclaw faced Slytherin in Quidditch, where William scored and helped send Slytherin’s Beaters crashing before Cho tricked Malfoy into a fall that broke his leg.
• Madam Pomfrey reported another attack, and the students learned Colin Creevey had been found unconscious with a Runespoor design on his palm as they began carrying Clabberts for warning.

William and his allies uncovered the diary’s role in the attacks, but Lockhart’s exposure and Hagrid’s arrest led to Dumbledore’s suspension. As an Acromantula army advanced on Hogwarts, William prepared to follow Dumbledore’s signal while Riddle entered the Chamber of Secrets.

• William defeated Snape in a Duelling Club match, and Ron later wounded Malfoy with a Dark spell after Malfoy conjured a snake.
• William helped Ron reveal that Tom Riddle’s Diary had been teaching him magic, then learned from Dumbledore that Voldemort had controlled snakes through Dark Magic.
• William found Hermione transformed by a failed Polyjuice Potion and cared for her through the holidays as her catlike features slowly faded.
• William exposed Rita Skeeter as an Animagus, recruited her to gather intelligence, and arranged for her to publish evidence that Lockhart had stolen other wizards’ memories.
• Dumbledore explained that Tom Riddle had framed Hagrid for the Chamber attacks, then instructed William to wait for Fawkes and enter the Chamber when the diary targeted Harry.
• Rita’s report exposed Lockhart, while the School Governors suspended Dumbledore and Hagrid was sent to Azkaban.
• William, Cedric, and Cho learned from Aragog that a red-haired wizard had ordered the Acromantulas to attack Hogwarts, and William escaped the colony with them.
• William warned Professor McGonagall as the creatures advanced on Hogwarts, and she sealed the castle and organized its defenses while Fawkes arrived with Dumbledore’s signal and Riddle entered the Chamber.