Chapter Summaries

Cedric worried that the second Triwizard task would force him into the Black Lake, while his friends joked about his mermaid princess and suggested ways to hide his identity underwater. Harry persuaded Ron to visit the Prefects' Bathroom so he could keep an eye on Cedric and Cho, and Ron revealed that Ludo Bagman was secretly helping him prepare for the tournament.

• Cedric panicked over having to enter the Black Lake and asked William to take his place with Polyjuice Potion.
• William suggested Cedric use Human Transfiguration to disguise part of his body for the underwater task.
• Cedric asked the others to accompany him to the Prefects' Bathroom for training, but they refused.
• Harry told Ron they should visit the Prefects' Bathroom and gave him the location and password.
• Ron told Harry that Bagman was secretly helping him and claimed William was helping Hermione win the tournament.
• Harry privately hoped he could stop Cedric and impress Cho by rescuing her.

William took Hermione and Anne out to the Black Lake, where they met Trene and asked her to map the lakebed for the Second Task. Meanwhile, Harry and Ron tried to enter the Prefects' Bathroom, but Myrtle's interruption left them outside and drew attention with her loud crying.

• William, Hermione, and Anne passed Hagrid's Hut and saw Madame Maxime knocking, then spotted Snape and Karkaroff discussing their darkening Dark Marks by the lake.
• Snape told Karkaroff that the secret of the Golden Egg was at his feet, and Karkaroff mistakenly concluded that he had to smash it with a stone.
• William and Hermione asked Trene to survey the Black Lake and draw a detailed map for the Second Task, while Anne ate grilled fish.
• Harry and Ron tried several passwords at the Prefects' Bathroom door, but it stayed shut.
• Myrtle appeared and revealed she had not seen Cedric in the bathroom for ages, then insulted Ron and began crying loudly after he called her dead.

Harry and Ron were caught wandering the castle at night after falling down a staircase, and Snape took five hundred points from Gryffindor. William, Hermione, and Anne returned to the common room unseen while Moody searched the castle and caught more students.

• Harry and Ron fled Moaning Myrtle, fell down a staircase, and hid beneath Harry’s Invisibility Cloak as Filch and Snape arrived.
• Moody spotted Harry and Ron, removed the cloak, and overruled Snape by sending the injured boys to the Hospital Wing.
• Snape deducted 250 points each from Harry and Ron for wandering at night, while Moody took them away.
• William revealed that Moody had not exposed him because Dumbledore had authorized his nighttime visits to the headmaster’s office, then escorted Hermione and Anne to the common room.
• Moody searched the castle again and caught other students meeting secretly, while Gryffindor lost the most points.
• McGonagall questioned Snape’s deduction, and Snape defended it by invoking Heinrich’s Law of nighttime wandering.

As the Second Task approached, the Champions learned they would have to spend an hour in the Black Lake, while Hagrid returned to Hogwarts and resumed teaching about Unicorns. William and Harry went to Dumbledore’s office, where they learned that students would be used to help the Champions recover the people represented by their Golden Eggs.

• Ron worried that Ludo had not returned and refused to buy the twins’ information about the Golden Egg.
• Karkaroff regretted ordering the Durmstrang Champions to smash their eggs, then bought information from Akali’s Mysterious Intelligence Shop and split the cost with his students.
• Hagrid returned from his wilderness trip, left the Blast-Ended Skrewts behind, and took his class to see Unicorns and their foals.
• Harry awkwardly greeted Cho while walking with William, then told William that Dumbledore wanted to see them.
• William told Harry that Cedric had not taken Cho to the Prefects’ Bathroom, but teased him by saying they had gone to Home Inn.
• At Dumbledore’s office, William told Gabrielle that students would steal the Champions’ Golden Eggs for the Second Task, and Gabrielle objected to taking her sister’s egg.

Ron searched the library all night for the secret of the Golden Egg but overslept and missed the Second Task, while the other Champions entered the Black Lake. The spectators were left watching a still lake in the cold, unable to see the competition.

• Ron searched books about dragon eggs in the library, fell asleep, and woke too late to reach the Second Task.
• At the Black Lake, Karkaroff and Crouch insisted the competition begin on time, and Lee announced that Ron had been disqualified.
• Cho, Cedric, Krum, George, and Malfoy used different methods to enter the lake.
• Hermione flew over the water in her cloak, drank Gillywater Potion, and dove into the lake.
• Ginny asked Anne what the spectators would do, and Anne prepared to read Hermione's notes as the crowd realized they could not see the Champions.

Hermione used Gillywater Potion and a concealed boat to race toward the Merpeople village, while the other Champions struggled to find their way. At the village, the mermaid princess ordered her people to capture Cedric so she could make him her husband.

• Hermione dove into the lake with a waterproof map and drove a concealed boat at high speed toward the Merpeople village, striking Krum along the way.
• Malfoy scratched his tentacles and debated whether he would rather rescue Pansy or Harry, then swam northwest.
• Krum searched underwater for the Merpeople village and Hermione before Hermione's boat hit him and sped away.
• William woke in the Merpeople village and met the mermaid princess, who asked where Cedric was.
• The mermaid princess ordered Anima and the Grindylows to block the waterways and seize Cedric when they found him.
• The mermaid princess said she planned to have children with Cedric and then marry him, and William hoped something would happen to Cedric.

William freed himself and befriended the Merpeople while waiting for Hermione to rescue him from the Black Lake. After Hermione brought him back to the surface ahead of the other Champions, they slipped away to return to the lake and help Cedric.

• William used Wandless Magic to free himself, then spoke with the Merpeople in Mermish and won them over with rum and algae.
• William persuaded Shaxing to release Gabrielle, revived her, and learned that the Merpeople held their ritual when the starlight was brightest.
• Hermione arrived by gondola, rescued William, and left Gabrielle behind to await her sister.
• Hermione carried William out of the lake after only twenty-five minutes, and the crowd cheered her quick completion of the task.
• William and Hermione left the tents under a Disillusionment Charm and headed back toward the lake to help Cedric.

Malfoy descended into the Black Lake and was captured by an amorous octopus after being overwhelmed by its ink. Krum killed Grindylows and was seized by the Merpeople, but Cedric convinced him that the mermaid princess wanted to meet him, leaving Krum hopeful that she would lead him to the hostage.

• Malfoy swam into ink-black water, vomited, and tried to surface before an octopus grabbed his ankle.
• The octopus blasted Malfoy with ink, knocked him unconscious, and wrapped him up.
• Krum lost the Merpeople's trail and killed two Grindylows with Dark Magic, then tried to capture another to find the village.
• Anima ordered the Merpeople and Grindylows to seize Krum, while Cedric identified him as the Seeker the princess wanted to meet.
• Cedric persuaded Krum that the princess was his admirer and would send him to the hostage, so Krum went willingly with the Merpeople.

Phoebe found Gabrielle at the Merpeople village, while Cedric and Cho tried to escape with their hostages after Krum was mistaken for Cedric and taken to the mermaid princess. William and Hermione arrived to hold off the pursuing Merpeople as the princess approached with a trident.

• Phoebe found Gabrielle gathering shells and learned that Hermione had already taken William away.
• The mermaid princess mistook Krum for Cedric, and Anima had him taken to her room; George confirmed Krum was Cedric.
• Cedric met Cho near the statue, and they hurried to rescue their hostages as the mermaid princess announced her coming marriage to Cedric.
• The mermaid princess discovered that Krum was not Cedric and ordered the Merpeople to pursue Cedric and Cho while she fetched a trident.
• William and Hermione arrived by gondola and offered to hold off the Merpeople as Cedric and Cho fled.

William fought and defeated the mermaid princess, then took the trident despite her warning that it was bound to the Merpeople. The trident awakened the six Goblin Gems, and a mysterious woman emerged from a vortex, looking at William, the gems, and the weapon.

• William warned the mermaid princess to stop interfering with the Triwizard Tournament, while Cedric admitted he liked boys and Cho Chang stared in shock.
• The mermaid princess attacked William with the trident and lake water, but he countered with a powerful Water Tornado.
• William Apparated beside the mermaid princess and struck at her, but the trident sent him flying; Hermione rammed the Hippocampus’s tail with the gondola to protect him.
• William stunned the mermaid princess and knocked her back, then picked up the trident despite her claim that he could neither remove nor use it.
• The trident blazed with light, and the six Goblin Gems flew from Hermione’s trunk to William as a huge vortex opened overhead.
• A woman emerged from the vortex and looked at the trident, the gems, and William.

At the Black Lake, Phoebe surfaced with Gabrielle while Krum remained missing, and a storm gathered as the Lady of the Lake appeared to William beneath the water. She demanded the Goblin Gems, but William refused, and she attacked him with his trident.

• Phoebe completed the task and brought Gabrielle ashore, while Karkaroff worried that Krum had not returned.
• Dumbledore sensed something and looked up as purple lightning struck the lake and clouds formed a vortex.
• In Miami, Nicolas saw a witch in his Prophecy Orb, which exploded after she pointed at him, and he identified her as the Lady of the Lake.
• The Lady of the Lake emerged before William as the Merpeople knelt, then demanded the Goblin Gems.
• William refused and said he had already given the gems to Hermione; the Lady of the Lake seized his trident and attacked him.

William fought a powerful witch beneath the Black Lake, where she demanded the Goblin Gems and offered to teach him how to break Ravenclaw’s magic. He used the goblet’s blue-white flames and Accio Stonehenge to trap her in a cage of lake water.

• The witch attacked William with water halberds, and he unleashed a Fiendfyre dragon that burst out of the lake before Dumbledore stopped it.
• The witch demanded the Goblin Gems and offered to teach William how to break Ravenclaw’s magic so he could start a time loop outside Hogwarts.
• The witch charged William with her trident, but it stopped just short of his chest when he raised a goblet surrounded by blue-white flames.
• William cast Accio Stonehenge, causing the lake water to pour toward the witch and form a cage around her.

William used Merlin’s magic to restrain Vivian, who revealed that she was trapped by Stonehenge and offered information about the Deathly Hallows and Death in exchange for the Goblin Gems. After Vivian vanished, the Black Lake returned to its bed, and William left with Hermione troubled by her warning.

• William used the Holy Grail and Merlin’s incantation to restrain Vivian, who had projected herself into the Black Lake.
• Vivian identified herself as Vivian and offered William the trident, a way to bypass Ravenclaw’s magic, or clues about Ravenclaw and the other founders in exchange for the gems.
• Vivian claimed the holders of the Deathly Hallows were marked by Death and said Ravenclaw and the other founders were trapped too.
• Vivian vanished into the whirlpool, while Malfoy and the other captured Champions found themselves on the lakebed beneath the Black Lake suspended overhead.
• The Black Lake crashed back into its bed, and William returned to shore with Hermione as the trident dissolved into light.
• William worried over Vivian’s warning about Death and left with Hermione along the reed beds.

After the Black Lake upheaval, the Champions returned to shore and the judges awarded scores amid arguments over the competition. Malfoy was penalized for dropping Harry, and the announcement of the third task was followed by a brawl among the students.

• George reached shore with Fred, while Krum arrived later in a grass skirt after escaping his broken cage.
• Malfoy took both Pansy and Harry from the merpeople village but dropped Harry halfway back and brought only Pansy ashore.
• Dumbledore told the judges that a volcano had erupted beneath the lake, and Karkaroff demanded that the round be scrapped and accused Cedric of cheating.
• Lee announced the scores, revealing that Karkaroff had given Hermione only the base score and that Malfoy received fifty points after a twenty-five-point penalty.
• Krum charged at Cedric and Harry went after Malfoy after learning he had dropped him, while Lee announced the third task would take place on June 24.
• Lee joined the students as they broke into an all-out brawl.

A school brawl erupted after rumors and suspicions sparked fights between Harry, Malfoy, Krum, and Cedric, leaving several students injured and the houses heavily penalized. Ron briefly turned his missed task into a heroic story before Rita exposed him, while Hermione and William disappeared from view again.

• Krum and Harry attacked Cedric and Malfoy, setting off a four-way brawl between Durmstrang and Slytherin against Gryffindor and Hufflepuff.
• Dumbledore ended the fight, punished the houses by taking points, and sent more than a dozen injured students to the Hospital Wing; Krum was taken to St. Mungo's.
• Students traded conflicting stories about the Second Task, while Ron returned late and claimed the Merpeople had kidnapped him.
• Ron embellished his account into a tale of defeating Merpeople and stopping a volcano, winning Lavender's admiration.
• Rita published an account revealing that Ron had overslept and watched the task from the reeds, so Lavender stopped speaking to him.
• Hermione's popularity grew after she placed first in two tasks, but she and William disappeared except for her attendance at classes.

William and Hermione investigated Merlin and the Founders while William and Dumbledore decided they had more urgent problems to deal with. As the O.W.L.s approached, Hogwarts students struggled with exam stress, and Cho was caught by Professor McGonagall during a test review.

• William and Hermione shut themselves away to study books about Merlin and the Founders, while William discussed Vivian’s revelations with Dumbledore and concluded they were not an immediate concern.
• Hermione contacted Bathilda Bagshot to help organize manuscripts for a history of modern magic, and Dumbledore arranged for William to skip most classes so he could investigate.
• As the O.W.L.s neared, stressed students broke down over exams, and Madam Pomfrey’s Calming Draught injections became popular until she stopped giving them to prevent addiction.
• Professor Snape extended his final class of the day, while Professor Moody taught students to detect surveillance by hiding Dungbombs in gifts.
• Professor McGonagall gave the fifth-years a surprise diagnostic test, then caught Cho Chang raising her hand to avoid being picked to answer a question.

Fifth-years faced mountains of Easter homework and growing anxiety about future employment as career leaflets appeared around Hogwarts. Marietta considered becoming a healer or joining the Ministry, while Cho remained focused on her studies and her future at Akali's Mystery Shop.

• The professors assigned extensive Easter homework, keeping fifth- and seventh-years studying through the holiday.
• Hogwarts posted a notice requiring fifth-years to meet their heads of house for careers advice, and career pamphlets appeared in the common rooms.
• The chapter described fierce competition for wizarding jobs and the low pay offered by the Ministry of Magic.
• Marietta considered a career as a healer, and Cho encouraged her that she could meet St. Mungo's exam requirements.
• Marietta said her mother wanted her to work at the Floo Network Authority, but she wanted a well-paid job with little work near home.
• Cho continued following Cedric's revision plan and explained that her grades still mattered despite her plans to work at Akali's Mystery Shop.

After returning from Easter break, William attended his career consultation and learned that Hogwarts professors wanted him to continue every subject and earn twelve top N.E.W.T.s results so he could become a teacher. Professor Flitwick also hinted that William might one day lead Ravenclaw House, while William privately preferred becoming headmaster.

• Fifth-year students panicked over career consultations and O.W.L.s, while Professor McGonagall exposed a Slytherin exam-cramming scam led by Gorilla Captain.
• William and Hermione returned from their Easter holiday seclusion, and several professors hinted that they wanted William to take their advanced classes.
• Professor Snape taught an unusually difficult potion, and William realized Snape wanted him to find rare ingredients.
• Professor Flitwick asked William about his career plans, and William said he might teach Ancient Runes after graduating.
• Professor Flitwick suggested William could teach Charms and become Ravenclaw's next head, then said the professors expected him to earn twelve N.E.W.T.s certificates with O grades and keep every subject.

William learned about the maze planned for the Triwizard Tournament’s Third Task and began mapping its paths with Hermione. Their conversation with Krum was interrupted when a disheveled, seemingly mad Barty Crouch appeared and pleaded to see Dumbledore, just as a green spell shot at them from the reeds.

• Hagrid showed William the Quidditch Pitch maze and explained that the Third Task would include Magical Creatures and spells to overcome.
• William drew the maze from memory by the Black Lake, where Hermione joined him and Krum asked to speak with her.
• Barty Crouch staggered out of the reeds, muttered about Percy and his family, and begged William to take him to Dumbledore.
• William sent a silver sea eagle to fetch Dumbledore while Hermione and Krum stayed with Crouch.
• A streak of green light shot out of the reeds toward them.

William stopped an assassin from killing Crouch and fought the gray-robed wizard, who escaped after losing both legs. Before Crouch could reveal his warning about the Dark Lord, a curse killed him, and Dumbledore took the others to his office.

• William blocked the Killing Curse aimed at Crouch and, with Hermione's help, exposed a wizard hiding in the reeds.
• William fought the gray-robed wizard with wind, light, and water magic, severing his legs when he tried to attack Crouch.
• The gray-robed wizard escaped by flying away as Crouch tried to warn William about the Dark Lord and ask to see Dumbledore.
• A curse sealed Crouch's mouth and killed him before he could reveal what he knew.
• Hermione identified the cause of Crouch's death, and Dumbledore summoned a silver phoenix and led William, Hermione, and Krum to his office.