Chapter Summaries

After Ravenclaw’s stolen door knocker turned up, the students focused on studying for the House Cup while the school prepared for the Quidditch Cup final. William took Cedric and the twins through a secret passage toward Hogsmeade and described the other hidden routes.

• Robert found the missing Ravenclaw door knocker in the rubbish, and Bobocha and Mrs. Norris caught him trying to take it away quietly.
• Ravenclaw students began revising hard to protect their lead in the house points standings and win the House Cup.
• Easter arrived, and William and his friends worked in the library on homework they planned to sell.
• With the Hufflepuff-Gryffindor Quidditch Cup final approaching, William took Cedric, Fred, and George through a fifth-floor mirror into a secret passage.
• Fred and George told William and Cedric that seven secret passages led to Hogsmeade, including one at the Whomping Willow that Cedric wanted to explore.

William, Cedric, Fred, and George explored a vast underground palace beneath Hogwarts while following the Marauder's Map toward Hogsmeade. Near the passage's exit, William heard someone moving in the depths and stopped to listen.

• William recognized the underground palace from a book and followed the route on the Marauder's Map with Cedric, Fred, and George.
• The four explored a temple resembling the Parthenon and saw a golden model of Hogwarts.
• They found a pyramid on an island, with four colored coffins on its summit, but an invisible magical barrier blocked their way.
• William tried to open numbered doors with Alohomora and a knife, but the doors stayed shut and the blade melted.
• After walking toward Hogsmeade for about forty minutes, William heard someone moving and stopped the others.

William, Cedric, Fred, and George discovered an enormous python’s shed skin in a secret passage and fled, leaving the passage unexplored. The next morning, William found Robert exhausted from guarding the Ravenclaw door knocker and gave him a potion to test.

• William, Cedric, Fred, and George found scattered animal bones and a giant python’s shed skin in the passage, then ran back to Hogwarts.
• Cedric suspected Slytherin had left the python to guard the pyramid, and the four agreed to avoid the passage for now.
• William dreamed about the python and the coffins, then woke and noticed Bobocha was missing from the dormitory.
• William found Robert standing guard at the common room entrance after staying up since four in the morning.
• William gave Robert a bottle of Draught of Living Death to test, and Robert accepted it before William headed to the Great Hall.

The Quidditch final between Hufflepuff and Gryffindor began amid fierce house rivalry, while William noticed that Dumbledore, Snape, and Professor Tywin were missing. The match was still underway when the chapter ended, with Angelina Johnson shooting for Gryffindor.

• Students from Hogwarts gathered at the Quidditch Pitch to support Hufflepuff or Gryffindor, and William brought badges for both houses to avoid offending anyone.
• Lee Jordan introduced the teams and provoked the crowd with his commentary about Gryffindor and Hufflepuff players.
• Charlie and Truman shook hands before the match, while William noticed that Dumbledore, Snape, and Professor Tywin were absent.
• William watched the match from the Ravenclaw stands with Hagrid and Cho, and Hagrid shared roasted walnuts with him.
• Gryffindor and Hufflepuff traded possession of the Quaffle before Angelina Johnson led a fast break and shot at the Hufflepuff goal.

A Quidditch final was abruptly suspended after Dumbledore’s Patronus ordered students back to their common rooms. Professor Flitwick told William that Prefect Robert Hilliard had been murdered, and Filch then reported that Professor Tywin was dead as well.

• Angelina scored during a close Gryffindor–Hufflepuff match before Dumbledore’s silver phoenix Patronus halted the final and ordered students to return to their common rooms.
• Professor McGonagall organized the students’ departure, and Professor Flitwick took William to the Hospital Wing.
• Professor Flitwick revealed that Robert Hilliard had been killed with Dark Magic during the match and that he had been found holding a bottle of Draught of Living Death.
• William told Professor Flitwick about his conversation with Robert that morning, but could offer no other clues.
• Dumbledore arrived as Filch rushed in and announced that Professor Tywin was dead.

After Professor Tywin was found dead in his office, William suspected Fluffy had killed him and investigated the Room of Requirement. There he discovered a clue suggesting Tywin had entered to hide something: an ancient bronze ring that fell from Fluffy’s mouth.

• Dumbledore and the professors found Professor Tywin dead in his office bathroom, his body marked by severe wounds and bite marks.
• Professor Flitwick told William that Robert had also died and that the Ministry might send the killer to Azkaban or close the school.
• William entered the Room of Requirement and found Fluffy wounded beside a trail of congealed blood.
• William realized Tywin could only have entered the room if he had wanted to hide something.
• A bronze eagle-shaped ring fell from Fluffy’s mouth, and William found the inscription, “Wit beyond measure is man's greatest treasure.”

William found Professor Tywin’s wand and the Ravenclaw-like ring in Fluffy’s mouth, leading him to suspect Tywin had stolen the ring and posed as a Death Eater. Unable to find Dumbledore, William told Professor McGonagall what he had discovered, and she brought him to her office to consider his account.

• William found Professor Tywin’s ebony wand and a bronze ring in Fluffy’s mouth, then discovered the ring would not come off his finger.
• William went looking for Dumbledore and found Professor McGonagall grieving in the entrance hall; she told him Dumbledore had gone to the Ministry with the arrested Professor Snape.
• William showed McGonagall Tywin’s wand and accused Tywin of being the culprit behind Professor Tywin’s death.
• William took McGonagall to the Room of Requirement to show her Fluffy, then she brought him to her office and considered his story.

Professor McGonagall told William that Snape had been taken away because Dark Magic on Tywin’s wound matched Snape’s wand, while William kept the day’s discoveries secret and waited for Dumbledore. The next morning, William found that the date had apparently reset to April 20 and that Robert, Tywin, Dumbledore, and Snape had reappeared on the Marauder’s Map.

• Professor McGonagall wrote to Dumbledore, warned William to keep quiet to protect Snape, Hagrid, and Robert, and explained that Snape’s wand had produced the Dark Magic found on Tywin.
• William returned to Ravenclaw Tower, where students remained unaware of the previous day’s events and were confined to their common rooms.
• That night, William’s ring glowed blue as a golden compass deep beneath Hogwarts turned once, then both fell quiet.
• William woke the next morning and found Ravenclaw students preparing for the Quidditch final, which Cho and Marietta said was scheduled for April 20.
• William checked the Marauder’s Map and saw Robert, Professor Tywin, Dumbledore, and Snape on it, leaving him bewildered.

After waking up a day earlier with Robert alive, William suspected the Ravenclaw Bronze Ring had sent him back so he could prevent the deaths he had foreseen. He sought Dumbledore’s help against Professor Tywin, but Tywin intercepted them and claimed to know secrets about James’s death and the Dark Lord.

• William found Robert alive and considered whether the Ravenclaw Bronze Ring had returned him to the previous day.
• William decided Professor Tywin was the key to preventing the deaths and hurried to find Dumbledore.
• William left Robert at the Ravenclaw Common Room entrance and encountered Dumbledore outside his office.
• William told Dumbledore that Tywin was a Death Eater, but admitted he had no proof.
• Dumbledore took William toward the Ravenclaw Common Room, where they encountered Tywin waiting in a corridor.
• Tywin interrupted Dumbledore and said he had urgent information about James’s death and a secret about the Dark Lord.

William’s prediction came true despite Professor Tywin being with Dumbledore: Robert Hilliard was murdered, and Tywin was found dying in his office. Dumbledore halted the Quidditch final and took William to his office to discuss why William had been summoned.

• Dumbledore took Professor Tywin to his office while William waited outside and watched the Quidditch match.
• Professor Snape reported that Ravenclaw Prefect Robert Hilliard had been killed, and William rushed to the Ravenclaw Common Room.
• William found Robert dead with his left eye missing, the door knocker gone, and an Eye of Horus mark that Dumbledore said symbolized resurrection.
• Dumbledore told William that Professor Tywin might be in danger, then found him gravely wounded in the Defence Against Dark Magic office bathroom.
• Dumbledore declared the Quidditch final suspended and summoned everyone to their common rooms before taking William to his office.

Dumbledore brought William Stark to his office and left to verify some matters, while William explored the room and spoke with the Sorting Hat. As he waited, William discovered Dumbledore’s extensive academic work and resolved to become a wizard like him.

• Dumbledore took William up to the Headmaster's Office, sent a message through the fireplace, and told him to wait while he checked something.
• William examined the Sorting Hat, which told him its tiny Acromantula was a mutant shunned by its kind.
• William saw Cho, Cedric, and the twin brothers searching for him from the office window, then returned to the room after they left.
• William explored Dumbledore's study and found books, journals, and thousands of articles written or coauthored by Dumbledore.
• William admired Dumbledore's contributions to the Wizarding World and decided that he wanted to become a wizard like him.

William discovered a Pensieve in Dumbledore’s office and fell into a memory of young wizards aboard the Hogwarts Express. The memory revealed the first meeting of James Potter, Sirius Black, Remus Lupin, and Tywin, while William watched from within it.

• William found a silver-lit basin in a cabinet and recognized it as a Pensieve.
• William touched the basin’s surface and was pulled into a memory aboard the Hogwarts Express.
• Young Snape sat with Lily, who cried over her sister Petunia and argued with Snape about Slytherin House.
• James Potter and Sirius Black mocked Snape and Lily, and Lily left the compartment with Snape.
• James introduced himself and Sirius to Remus Lupin, then introduced Tywin as his friend.

William saw memories revealing Tywin’s childhood attachment to James Potter and wondered whether Tywin had stolen the Ravenclaw Ring to resurrect him. Back in Dumbledore’s office, he learned more about the Pensieve and watched memories concerning Snape, Fudge, and Tywin’s jealousy over James and Lily.

• William watched a memory of James, Sirius, Lupin, and Tywin on the Hogwarts Express, where James mocked Tywin and Tywin grew embarrassed.
• At the Sorting, James was placed in Gryffindor while Tywin went to Ravenclaw, and Tywin watched James turn his attention to Sirius.
• William suspected Tywin had stolen the Ravenclaw Ring to resurrect James Potter, whom Voldemort had killed.
• Dumbledore brought William back to his office, explained how the Pensieve stored and examined memories, and showed him Snape’s account of finding Robert dead and Fudge demanding Snape’s arrest.
• Dumbledore showed William a memory of Tywin admitting he had been angry after seeing James and Lily kiss, and William asked whether Tywin had always liked James.

Dumbledore confirmed that William was trapped in a time loop and explained that the Ravenclaw Bronze Ring was tied to the Prehistoric Mysteries, an ancient power Hogwarts was founded to study and protect. He revealed that this power had defeated the Dark Lord and was still protecting someone, leaving William with more questions about the ring and the loop.

• Dumbledore told William that Professor Tywin had special feelings for James and had likely used Polyjuice Potion to impersonate Professor Snape.
• Dumbledore asked William how many loops he had experienced, leading William to guess that he was trapped in a time loop.
• Dumbledore confirmed that William's time had stopped on the current day and said the Ravenclaw Bronze Ring did not work as legends claimed.
• Dumbledore explained that Hogwarts's Founders had established the school to study, protect, and pass down the Prehistoric Mysteries.
• Dumbledore said he had seen the Prehistoric Mysteries used to defeat the Dark Lord and that their power still protected someone.

William learned that his ring was an artifact tied to Prehistoric Mysteries and that it let him relive a day for study. Dumbledore explained the ring’s history and suggested William would leave the time loop once he could save Hagrid and Robert, capture Professor Tywin, and understand the whole affair.

• William asked Dumbledore whether he meant Harry Potter, and Dumbledore said Harry’s mother Lily had used the magic that let Harry survive Voldemort’s attack.
• Dumbledore told William that Lily and Snape had known each other as children and made him promise to keep it secret from everyone.
• Dumbledore explained that the ring was a tool for studying Prehistoric Mysteries, allowing its user to relive a day repeatedly.
• Dumbledore recounted how the Four Founders studied at the Egypt Mystery School, and how Ravenclaw broke the contract to keep the ring when she left.
• Dumbledore explained that William was only a user of the ring, not its owner, and could not choose when the loop ended.
• Dumbledore suggested the loop would end when William could save Hagrid and Robert, capture Professor Tywin, and understand the entire affair.

Dumbledore refused to explain the mystery surrounding Tywin and Robert, telling William to investigate while treating the time loop as a chance to grow stronger. William decided to study for months or years before trying to escape the loop, while keeping Tywin’s actions in mind.

• William asked Dumbledore what had happened, but Dumbledore refused to reveal the truth and called the investigation a test.
• Dumbledore warned William that leaving the castle while wearing the ring could break his contract with it and cause a serious backlash.
• Dumbledore suggested that Tywin had attacked the Ministry of Magic and obtained a magical item that confused William.
• William realized he could use the time loop to study and grow stronger, and decided to spend six months or a year improving himself before trying to escape.
• William fell asleep just before midnight and slept through the night without dreaming.

William woke in the April 20 time loop and avoided the Quidditch match, seeking Professor Flitwick for study advice. Before leaving the Ravenclaw common room, he joked that Thanos would invade Hogwarts, then accidentally set a hat and the curtains on fire and fled.

• William checked the Marauder's Map and decided to skip the Quidditch match and ask Professor Flitwick for advice.
• William told Cho and Marietta that he could predict the future, correctly guessing that Prefect Robert stood at the entrance.
• William predicted the match's score and joked that Thanos would invade Hogwarts and Dumbledore would defeat him.
• William tried to help Cho with Transfiguration but set her hat on fire, and Marietta tossed it onto the curtains.
• The fire spread to the common-room furniture, and William slipped away after seeing that the flames had singed half of Cho's hair yellow.

William visited Professor Flitwick to discuss his studies and build a long-term learning plan. Flitwick advised him to practice Charms in everyday life and train in combat, then offered to teach him himself.

• William went to Professor Flitwick's office and joined him for breakfast while the Quidditch final preparations continued outside.
• Professor Flitwick explained that food could not be conjured and described how he had used Wandless Magic and a Transferring Charm.
• William told Flitwick about his progress and asked for a long-term study plan.
• Flitwick advised William to use Charms whenever possible and hinted that making a doll dance might be a final exam task.
• Flitwick said Defence Against Dark Magic required practical combat training and offered his own experience as a dueling champion.
• After several beers, Flitwick took William's hand and began discussing wizards over drinks.

William sought combat training from Professor Flitwick, joined his Dueling Club, and practised holding his wand steady before sparring. After dying quickly in a reckless attempt to fight Tywin, William returned to learning patiently from Flitwick, and forty loops passed.

• Professor Flitwick invited William to join the Dueling Club and advised him to strengthen his Transfiguration foundations with Professor McGonagall’s guidance.
• William went to the Room of Requirement, checked Fluffy’s mouth, and found that the door knocker was not a second Ravenclaw Ring.
• William used his knowledge of Professor Flitwick’s preferences to gain combat lessons and trained until he could hold his wand steady for two hours.
• William knocked Robert unconscious and took his place, but Tywin killed him after two moves and mutilated his body.
• William stopped seeking out Tywin and continued learning combat techniques from Professor Flitwick as forty loops passed.

During the forty-first loop, William sparred with Professor Flitwick at Hogwarts, using speed and unconventional spellwork to survive the professor’s attacks. Professor Flitwick was astonished by William’s skill, while William continued fighting toward his goal of landing ten effective attacks.

• William donned Goblin-made protective gear and faced Professor Flitwick in an abandoned classroom.
• William opened with Stupefy and charged, but Professor Flitwick blocked him and attacked his thigh.
• William dodged a spell with an aerial maneuver and countered with Petrificus Totalus, which Professor Flitwick swept aside.
• William used the Cheering Charm and Levicorpus on himself to evade Professor Flitwick’s powerful follow-up attacks.
• William conjured a giant flaming eagle, then destroyed it and dodged the daggers formed from its smoke.
• Professor Flitwick watched William evade another Stunning Spell and wondered whether the first-year was a genius or a monster.