Chapter Summaries

Sean and Justin obtained Restricted Section permission slips from Lockhart, and Justin revealed a hidden stack of transfer slips for Hermione to use as well. Later, Sean passed the Black Lake on his way to Hagrid’s Hut and saw Luna sitting alone after a group of students had mocked her.

• Peeves pulled a young witch’s cheek, and Sean returned her hat before apologizing to her.
• Lockhart made Harry act out a werewolf story in class, then assigned a poem about his defeat of the Wagga Wagga Werewolf.
• Justin got Lockhart to sign a library slip, revealing a concealed Restricted Section permission slip for Sean.
• Justin opened Gadding with Ghouls and showed Sean and Hermione a stack of transfer slips that they could use to enter the Restricted Section.
• Sean passed the Quidditch Pitch on his way to Hagrid’s Hut and noticed students laughing at Luna by the Black Lake.
• After the students left, Luna sat alone by the lake as Sean approached.

Sean noticed the Basilisk and Alchemy Frog moving near the girls’ bathroom and investigated, concluding the Basilisk had awakened and was searching for food. As Sean left to find the Sorting Hat, Harry heard the murderous voice again and watched it move upward.

• Sean helped Luna recover her missing belongings at the Black Lake, then visited Hagrid and saw the giant Halloween Pumpkins.
• Sean practiced material Transfiguration on his way back to the castle and received the final proficiency points for his task.
• Sean’s Plan Map showed the Basilisk and Alchemy Frog moving near the second-floor girls’ bathroom, so he flew there on his broom.
• Sean watched the Basilisk’s marker move nearby and leave, then decided to find the Sorting Hat because his preparations were almost complete.
• Harry heard the murderous voice again in a corridor and realized it was moving upward as a figure hurried past.

Sean entered the Chamber of Secrets and fought the Basilisk, using Transfiguration, spells, and the Sword of Gryffindor to defeat and weaken it. He began considering how to tame the creature and ended with a basilisk fang in hand.

• Sean opened the Chamber of Secrets and found the Basilisk awake beneath Slytherin’s statue.
• Harry heard a snake speaking in the corridor, and Hermione identified the creature as a Basilisk from a Library book.
• Sean used Transfiguration, two Three-headed Dogs, and spells to immobilize and injure the Basilisk.
• Sean discovered that defeating the Basilisk rapidly increased his affinity and suspected its Dark Arts origins were connected to his talent.
• Sean weakened the Basilisk with the Sword of Gryffindor and took a basilisk fang.

Sean returned exhausted after using the Sword of Gryffindor to put the Basilisk to sleep, while Harry, Hermione, and Ron realized someone might be trying to cause trouble at Hogwarts. Dumbledore questioned Sean about why he had risked confronting the Basilisk, and Sean said he had acted to prevent anyone from being hurt.

• Sean reached the Headmaster's office carrying the bloodstained Sword of Gryffindor and told Harry, Hermione, and Ron that the Basilisk was not dead.
• Harry, Hermione, and Ron read about Basilisks and suspected that Lockhart might be serving Voldemort, then debated whom to tell.
• Sean tried to fit the Sword of Gryffindor into the Sorting Hat, but the hat told him to put it on the table instead.
• Dumbledore praised Sean for solving the mystery and fighting the Basilisk, then asked why he had taken the risk.
• Sean told Dumbledore that he knew the Basilisk had awakened and had done what he could to prevent anyone from being hurt.

Sean continued preparing to deal with the Basilisk and Tom, while Harry, Ron, and Hermione searched anxiously for the creature’s weakness. As October brought cold rain to Hogwarts, Sean’s Basilisk affinity neared completion, and a meeting in the Chamber of Secrets seemed imminent.

• Dumbledore let Sean leave without questioning him and warned him not to become a monster while fighting monsters.
• Dumbledore and Headmistress Derwent discussed Sean’s actions and the Sword of Gryffindor after he left.
• Harry, Ron, and Hermione spent the night searching for the Basilisk’s weakness while Sean studied the Basilisk Cookie Ritual and planned to tell Harry about Tom’s diary in a dream.
• Sean continued visiting the Chamber of Secrets to raise his affinity with the Basilisk, while Harry, Ron, and Hermione grew increasingly anxious.
• As October’s cold and rain spread through Hogwarts, Sean’s Basilisk affinity reached [Close], and a flash from the Void Talisman suggested that Tom, Ginny, and Harry would soon meet in the Chamber of Secrets.
• Roger told Toya that a portrait of Sir Cadogan held the key to Ravenclaw’s Quidditch strategy against Green.

Harry met the Castle Spirit Cat in a dream and learned that Tom Riddle’s diary was linked to the Basilisk. As Sean kept the Basilisk safely asleep in the Forbidden Forest, Hermione asked Professor Binns about the Chamber of Secrets, but he dismissed it as a myth.

• Harry encountered the Castle Spirit Cat, which told him the Basilisk had been bred by Slytherin and that the Chamber of Secrets lay in the second-floor Girls' Bathroom.
• The Castle Spirit Cat told Harry to get Tom Riddle’s diary from Ginny and destroy it with Basilisk Venom Fangs.
• Sean kept the sleeping Basilisk buried in the Forbidden Forest while he waited for Harry to appear in the Chamber of Secrets.
• Harry told Ron and Hermione about his dream and the instructions he had received.
• Hermione asked Professor Binns about the Chamber of Secrets in History of Magic class, and he said he dealt in facts rather than myths and legends.

Hermione learned the legend of Slytherin’s Chamber of Secrets and connected Tom Riddle to the heir who had tried to release its monster. Harry, Ron, and Hermione found Ginny’s old diary and then discovered Sean was missing and the Alchemy Frog had been petrified.

• Hermione questioned Professor Binns about the Chamber of Secrets, and he recounted Slytherin’s plan to hide a monster that only his heir could release.
• Hermione concluded that Tom Riddle was Slytherin’s Heir and had tried to release the monster, but Sean had stopped him.
• Hermione, Harry, and Ron went looking for Ginny and found her in the second-floor Girls' Bathroom.
• Harry took Ginny’s fifty-year-old diary, which bore the name T. M. Riddle, and Ron remembered Riddle’s special-services award.
• Hermione stopped Harry from destroying the diary before they had found Sean, and the trio discovered the petrified Alchemy Frog in the sink.

Harry and Ron entered the Chamber of Secrets to find Sean, where Tom revealed that Harry had been his true target and claimed Sean was dead. Harry destroyed Tom’s diary with a Basilisk fang, and Sean appeared alive after defeating the Basilisk, leaving Hagrid’s innocence supported by the diary’s writings.

• Harry and Ron used the diary’s instructions to enter the Chamber of Secrets while Hermione went to find Dumbledore.
• Harry and Ron found a massive snakeskin and confronted the diary, which revealed that Tom had targeted Harry and claimed Sean was dead.
• Harry stabbed the diary with the Basilisk fang, releasing Tom’s shadow as it tried to summon the Basilisk.
• Sean arrived and told Harry he was alive after defeating the Basilisk, while Tom vanished from the damaged diary.
• Sean found diary entries suggesting Hagrid had been framed, and Hermione and Dumbledore joined the group.

After the diary was destroyed, Sean helped Hagrid begin clearing his name and prepared to learn more about Basilisks. At night, he entered the Restricted Section and found a sinister book titled Deadly Magic.

• Dumbledore rewarded Harry, Ron, and Hermione with points and Special Awards after the diary was destroyed.
• Harry told Hermione that Tom Riddle had been Voldemort, while Sean went to Hagrid's Hut and showed Hagrid the diary as evidence that a Basilisk had killed Moaning Myrtle.
• Malfoy spread rumors about the Chamber of Secrets and hoped Hermione would be killed, while Sean planned to help Hagrid clear his name with a Daily Prophet report.
• Sean slipped into the Restricted Section and discovered a small black-and-silver book titled Deadly Magic that smoked and screamed when he approached.

Sean read Godelot’s writings on Dark Arts, learning about the Basilisk and the connection between magic, belief, and a Wizard’s soul. He left the library reflecting on how a Wizard’s choices shaped their beliefs and power.

• Sean found Godelot’s account of the Basilisk and copied the recorded ritual for raising one onto parchment.
• Sean read Godelot’s warning that Dark Arts could unleash extraordinary power by studying life and calling forth death.
• The book’s words changed and warned Sean, who possessed the Elder Wand, that pursuing greater power could corrupt his soul.
• Sean considered how Voldemort’s beliefs had shaped his magic and wondered whether magic was fundamentally a form of belief.
• As Sean left the library, he understood Dumbledore’s words about choices and realized that Wizards could choose their own beliefs.

Sean encountered Aragog and a colony of Acromantulas displaced by the Basilisk’s arrival in the Forbidden Forest. When the spiders turned on him, Sean unleashed a vast sea of fire, driving them into the path of the Basilisk.

• Sean reflected that Voldemort’s lack of humanity supported Godelot’s theory about the malice of dark magical creatures.
• Sean entered the Forbidden Forest and found a large colony of Acromantulas in the centaurs’ territory.
• Sean introduced himself to the blind Aragog, who explained that the Acromantulas had fled because the Basilisk had appeared nearby.
• Aragog ordered his children to surround Sean, saying he could not stop them from eating a human who had come to their hollow.
• Sean summoned Bai Yi and used powerful magic to engulf the forest in flames, scorching some Acromantulas and forcing the survivors toward the Basilisk.

Sean watched the Basilisk finish killing the Acromantulas, then returned to Hope Cottage and reflected on Godelot’s ideas about faith and magic. Harry invited everyone to Nearly Headless Nick’s Deathday Party, but Sean chose to attend the Halloween feast, leaving Harry disappointed.

• The Basilisk devoured the Acromantulas while Sean collected potion ingredients from the corpses, and its affection for him increased.
• Sean returned to Hope Cottage with Hagrid’s enormous pumpkin, and the others remembered that they had neglected to visit Hagrid.
• Sean wrote down his thoughts on how emotion, reason, and ritual magic related to a Wizard’s faith and power.
• Harry invited the group to Nearly Headless Nick’s five-hundredth Deathday Party, but Sean declined because he wanted to attend the Halloween feast.
• Harry’s enthusiasm faded when Sean turned down the invitation.

Harry and his friends agreed to attend the Deathday Party together, while Sean considered using Truth Serum to learn what he wanted to know. The day before Halloween, Sean learned that Fred and George’s second Weasleys’ Wizard Wheezes and Justin’s Green’s Bookshop would open in Hogsmeade the day after tomorrow.

• Justin, Neville, and Ron hesitated about attending the Deathday Party, but Hermione reminded Harry he had promised to go, and Sean encouraged the friends to act together.
• Harry returned from Quidditch practice and worried about Slytherin’s fast Nimbus 2001 broomsticks, then felt better knowing he would visit Hagrid’s Hut with his friends after Halloween.
• Sean considered whether drinking Truth Serum from his vault could answer his questions and began forming a plan to obtain it.
• Rita and several reporters hurried toward Hogwarts after being invited by the Fairy Tale Workshop to investigate the school’s claims.
• Fred and George stopped Sean in the corridor and announced that their second Weasleys’ Wizard Wheezes would open the day after tomorrow.
• Justin told Sean that Green’s Bookshop had secured a Hogsmeade location and would open the same day.

Sean's busy Halloween schedule included Hagrid's successful interview, the opening of his shops, and a visit to Nearly Headless Nick's party with his friends. The chapter ended with the group enjoying Halloween at Hogwarts, where the students could celebrate without a war or troll attack.

• Sean learned that Hagrid's interview went smoothly, with reporters promising to publish their accounts truthfully despite Ministry pressure.
• Sean noticed Hogwarts preparing for Halloween, including new biscuits that gave students partial animal transformations.
• Sean, Justin, Harry, Ron, Hermione, and Neville attended Nearly Headless Nick's party and watched headless ghosts play Head Hockey.
• Hermione ate a Spirit Cat Biscuit and grew cat fur on her face, while Ron ate a Mouse Biscuit and grew a mouse tail.
• Sean watched his friends sample the biscuits as they celebrated a peaceful Halloween at Hogwarts.

Hagrid invited Sean and the other young wizards to his hut, where they discussed the troubled Defense Against the Dark Arts post and Gilderoy Lockhart’s reputation. The chapter ended with Hagrid confronting Harry about the signed photographs Harry had supposedly been handing out.

• At breakfast, Hagrid let slip that he planned to give Sean a pumpkin-filled treat, prompting Professor McGonagall to question him and Dumbledore to watch with amusement.
• On the way to Hagrid’s Hut, Harry hid Sean and the others when Lockhart emerged, and Hermione magically sent Lockhart rolling down the slope.
• Hagrid welcomed the group and explained that the Defense Against the Dark Arts position was considered unlucky, recounting several former teachers’ disastrous fates.
• Hermione, Ron, Harry, and Justin discussed Lockhart’s stories and whether he had stolen them, while Sean wondered how Lockhart’s eventual expulsion would unfold.
• Hagrid asked Harry why he had been handing out signed photographs and complained that he had not received one.

Sean and Justin used the Marauder’s Map to reach Hogsmeade through a secret passage and visited Honeydukes before heading toward Green’s Bookshop. Sean spotted Remus John Lupin outside The Three Broomsticks, leaving his reason for being there unknown.

• Hagrid reassured Harry that he knew Harry had not sent signed photographs, then turned to Sean with an emotional expression.
• Fred and George showed Sean and Justin the Marauder’s Map and described the secret passages leading to Hogsmeade.
• Sean and Justin opened the passage behind the One-Eyed Witch statue and travelled through the tunnel to Honeydukes.
• Sean and Justin browsed Honeydukes, then walked through snowy Hogsmeade while discussing the new bookshop and its staffing needs.
• Sean recognized Remus John Lupin, whose face was hidden beneath a hood, near The Three Broomsticks.

Sean and Justin visited The Three Broomsticks, where they encountered Lupin and overheard Professor McGonagall and Professor Flitwick questioning Hagrid about a rumor. After Hagrid left, Sean comforted him outside Green's Bookshop, revealing that Hagrid had accidentally exposed the truth about the Basilisk and that Sean had already made plans.

• Justin and Sean went to The Three Broomsticks for Butterbeer, where Sean sat beside a weary wizard who was considering applying for a job at Green's Bookshop.
• Justin returned with Butterbeer, and Sean hurried away when Professor McGonagall, Professor Flitwick, and Hagrid entered; Justin hid himself with the Disillusionment Charm.
• Lupin watched the concealed students as Professor McGonagall and Professor Flitwick questioned Hagrid about a recent rumor, reading his nervous reactions as confirmation.
• Hagrid left the tavern in distress, and Sean met him outside Green's Bookshop and cleaned the mud from his shoes with a wave of his wand.
• Sean told Hagrid that he had revealed the news about the Basilisk, reassured him that it was all right, and said he had already made plans.

Sean hired Remus John Lupin as the acting shopkeeper of Green’s Bookshop despite Lupin revealing that he was a Werewolf. After Lupin accepted a month-long probation, Sean set off with him to visit the Trick Shop and Gringotts.

• Remus John Lupin visited Green’s Bookshop to apply for work and was summoned to meet Sean Green.
• Sean offered Lupin the acting shopkeeper position, and Lupin initially refused because he was a Werewolf.
• Sean accepted Lupin’s lycanthropy and offered him two days off each month, provided he arranged the shop’s affairs in advance.
• Sean set Lupin a one-month probationary period, and Lupin agreed to do his best.
• Justin parted ways with Sean, who then asked Lupin to accompany him to the Trick Shop and Gringotts.

Sean took Lupin to Diagon Alley, gave him an advance on his wages, and arranged clothes, lodging, and work as manager of Green's Bookshop. Lupin settled into his new room at the Leaky Cauldron before Sean brought him to Hogsmeade, where the bookshop awaited its new manager.

• Sean and Lupin walked to Gringotts, and Sean repaired Lupin's battered suitcase with magic.
• Sean withdrew gold from his vault and gave Lupin an advance, explaining that he would manage Green's Bookshop and live there once its attic was ready.
• Sean and Lupin visited a Fantastic Beasts shop, where Lupin bought an owl while Sean examined Truth Serum.
• Sean brought Lupin to room fourteen at the Leaky Cauldron, where Lupin left his luggage and Tom collected Galleons.
• Sean took Lupin to Hogsmeade, and Green's Bookshop welcomed its manager as Sean left.
• Lupin rested at the Leaky Cauldron, reflected on his new job and home, and fell asleep.

Sean used Truth Serum to probe his magical ability and his risk of falling to Dark Magic, while the Black Cat encountered Ginny in The Boundary and considered using a Soul Artifact to reach Harry and Voldemort. The next day, Sean planned to consult the Headmaster about the Basilisk, and Harry was cornered by Lockhart before the first Quidditch match of the season.

• Sean drank three drops of Truth Serum and answered the brooch’s questions about his skill in Transfiguration, Charms, and magic overall.
• The brooch asked Sean whether he could guarantee that he would never fall into Dark Magic, and Sean returned from the Forbidden Forest deep in thought.
• Ginny entered The Boundary through a dream cluster and told the Black Cat she suspected it had taken the diary; the Black Cat considered how to draw both Harry and Voldemort into The Boundary.
• Sean sensed the Void Talisman recovering and decided to ask the Headmaster for advice about dealing with the Basilisk, though he feared Professor Snape might confine him.
• Lockhart cornered Harry in the corridor and offered to coach him before the Gryffindor and Slytherin Quidditch match.