Chapter Summaries

Harry enjoyed a weekend without Quidditch practice and visited Hagrid, who complained about Lockhart and showed him enormous pumpkins. Harry then rode Big Black through the Forbidden Forest, where the growing dragon patrolled its territory and challenged nearby monsters.

• Harry refused Oliver Wood’s continued invitation to join the Gryffindor Quidditch Team, while Malfoy bragged about joining Slytherin’s team and later regretted the demanding practices.
• Harry visited Hagrid, who said Lockhart had tried to advise him about gardening and had fled after encountering Big Black near the Forbidden Forest.
• Hagrid showed Harry twelve enormous pumpkins grown with a little magical help and mentioned that Astoria had visited and tried to take one.
• Big Black accidentally breathed fire at Hagrid, then carried Harry into the Forbidden Forest and patrolled its territory, challenging some monsters and fleeing from others.
• Harry told Big Black that they would eventually defeat the forest’s monsters and make the whole forest its territory.

Harry played the role of a foolish pen pal to keep Riddle occupied while secretly resisting his control. He abandoned the diary after tricking Riddle into believing he was being discarded, leaving Riddle free but stranded until someone else found him.

• Harry teased Riddle with romantic worries, jokes, and questions while deflecting his attempts to learn about Hogwarts.
• Harry realized he could not convincingly pretend to be controlled because he had blocked Voldemort's magic, and he considered using Ron as a scapegoat instead.
• Harry told Riddle that his parents had warned him the diary might be a Dark magic item and that he planned to throw it away.
• Riddle panicked at the thought of falling into Dumbledore's hands, then accepted Harry's goodbye with mixed relief and disappointment.
• Harry threw away the diary and laughed after months of tormenting Riddle.

Harry spent a rainy stretch at Hogwarts looking after Astoria and watching Quidditch practice with her, while Ron secretly confided in a diary that spoke to him. The chapter ended with Ron recalling his troubles and deciding to seek Pepperup Potion for what he thought was a cold.

• Harry made Astoria drink Pepperup Potion, and Hermione chased him after Astoria teased them about it.
• Harry dried Malfoy's muddy clothes after Quidditch practice, then pinched his cheeks; Malfoy told Goyle he had fallen.
• Harry protected Astoria and Cho Chang from the rain during Quidditch practice, and Astoria questioned the rules while Harry listed Muggle sports.
• Ron opened the diary he had found in an abandoned classroom and told Riddle about his jealousy, broken wand, and fears.
• Ron felt foggy and thought he had caught a cold, so he planned to get Pepperup Potion from Madam Pomfrey.

Harry skipped Lockhart’s useless Defense Against the Dark Arts lessons, then investigated the Chamber of Secrets after hearing the Basilisk’s voice. He found the entrance in the abandoned girls’ bathroom and opened it, leaving the way into the Chamber exposed.

• Hermione told Harry that Lockhart’s Defense Against the Dark Arts lessons had taught her nothing, and Harry explained that Lockhart had been the only applicant for the post.
• Nearly Headless Nick asked Harry to attend his deathday party and help him impress Patrick, but Harry declined because he had promised to attend the Halloween party.
• Harry heard the Basilisk’s voice in a stairwell and went to the abandoned girls’ bathroom to investigate.
• Harry questioned Moaning Myrtle, learned that someone had entered the bathroom three times, and stunned her.
• Harry spoke Parseltongue to the snake-marked tap, causing the sink to descend and reveal the entrance to the Chamber of Secrets.

Harry entered the Chamber of Secrets to stop the awakened Basilisk from endangering Hogwarts, but discovered a mysterious red ring inside Slytherin’s statue that seemed to connect with his mind. The Basilisk awoke and confronted him, and the chapter ended with Harry’s death.

• Harry followed the pipe deep beneath Hogwarts, passed the Basilisk’s shed skin, and opened the Chamber of Secrets.
• Harry reached Slytherin’s statue and decided to kill the Basilisk to prevent it from harming students.
• Harry transformed into a cat, climbed into the statue’s mouth, and found a red ring among its stone teeth.
• Harry picked up the ring and felt a brief stabbing pain before sensing a connection through it.
• The Basilisk awoke and faced Harry, who died.

Harry attended the Halloween feast while the students who went to Nearly Headless Nick’s Deathday Party were away. After Mrs. Norris was found petrified beneath a warning about the Chamber of Secrets, Filch accused Harry, but Dumbledore dismissed the crowd and the students began speculating about what had happened.

• Harry stayed at the feast, eating while Ron and other students attended the Deathday Party.
• After the feast, students found Mrs. Norris petrified beneath the words “The Chamber of Secrets has been opened” and “Enemies of the Heir, beware!”
• Filch found his cat and accused Harry of petrifying her, but Harry denied it and demanded evidence.
• Dumbledore said Mrs. Norris was petrified rather than dead and ordered the students back to their dormitories.
• Students continued discussing the incident and doubting Dumbledore’s explanation.

Harry used a ring to secretly control the Basilisk and learned through divination that Filch had cursed him. Meanwhile, Hermione asked Professor Binns to explain the Chamber of Secrets, leaving the class eager for his answer.

• Harry used Slytherin's ring to command the Basilisk to petrify Mrs. Norris, concealing his control from Voldemort.
• After a nightmare, Harry divined that a weak wizard had cursed him and suspected Filch, whose only relative had supposedly died.
• Rumors about the Chamber of Secrets spread through Hogwarts, and Hermione concluded the school was hiding information after she could not find a book she remembered.
• During History of Magic, Hermione asked Professor Binns to tell the class about the Chamber of Secrets, and the students eagerly listened.

Professor Binns told his class the legend of the Chamber of Secrets, and Gryffindor lost its Quidditch match to Slytherin after Malfoy caught the Snitch. The Basilisk petrified Colin, and Dumbledore warned that further attacks could force Hogwarts to close.

• Professor Binns described the legend of Salazar Slytherin's secret Chamber and the creature hidden inside it.
• Gryffindor briefly took the lead in the rain-soaked Quidditch match, but Malfoy caught the Golden Snitch and secured a Slytherin victory.
• Wood complained to Harry for not joining the Gryffindor team, and Harry ignored him.
• Colin followed a strange sound, saw the Basilisk's yellow eyes, and was petrified; the staff found him the next day.
• Dumbledore confirmed that the Chamber had been opened, while Professor Sprout said the Mandrakes needed for a cure would take three months to mature.
• Lockhart claimed he could accelerate the Mandrakes' growth and suggested he could become acting headmaster if Dumbledore were suspended, drawing rebukes from Sprout and Snape.

After Colin Creevey was petrified, Harry accepted protective gifts from Hermione, Cho Chang, and Astoria, while rumors spread that he was Slytherin’s heir. The chapter ended with Justin being petrified and Harry’s earlier threat to him circulating around the school.

• Students grew fearful after Colin Creevey was attacked, and they bought charms and amulets to ward off evil.
• Hermione, Cho Chang, and Astoria each gave Harry a protective pendant, and Harry put all three on a red string around his neck.
• Harry overheard Hufflepuff students accuse him of being Slytherin’s heir, confronted them, and threatened them before leaving the library.
• Ron emerged from behind the bookshelves with a book about identifying dark magic control, then forgot what he had just heard as his headaches worsened.
• Three days later, Justin was petrified, and news spread that Harry had threatened him shortly beforehand.

As suspicion spread that Harry was Slytherin’s heir, Hermione struggled with her friends’ distrust while Harry remained unconcerned and reassured Malfoy that he was no heir. After Harry kissed Hermione to dispel her suspicion that he liked Malfoy, the school’s fear of him grew, and he found a notice announcing a dueling club.

• Hermione tried to defend Harry from rumors, but Gryffindors—including Wood—voiced suspicions, and Harry’s arrival emptied the common room as Hermione broke down in tears.
• Harry told Hermione he did not care what strangers thought of him and said he had never considered them his friends.
• Malfoy asked Harry whether he was Slytherin’s heir, and Harry denied it after teasing him.
• Hermione questioned Harry’s unusual interest in Malfoy, and Harry kissed her to show that he liked women.
• Harry enjoyed the fearful attention he received at school and found a notice announcing the opening of a dueling club.

Harry turned the Dueling Club demonstration into a challenge against the entire school and knocked everyone unconscious with a summoned snake. He revealed that he had acted out of boredom and wanted to see how Dumbledore would respond.

• Lockhart and Snape demonstrated dueling, and Snape disarmed Lockhart with a single spell.
• After Lockhart called him up, Harry insulted the crowd and challenged everyone to fight him at once.
• Harry silenced the students with wandless magic, then summoned a purple snake that made everyone who looked at it collapse unconscious.
• Snape questioned Harry about what he had done, and Harry reflected that he was bored with school and wanted to see what Dumbledore would think of his actions.

Harry arranged for Lucius Malfoy to free Dobby, then found Big Black badly injured after a colony of giant spiders attacked him in the Forbidden Forest. Madam Pomfrey treated the dragon, and Harry promised to get revenge that night.

• Harry asked Draco to persuade Lucius to free Dobby, using the secret of Riddle's diary to convince him.
• Lucius freed Dobby, who thanked Harry and offered to come whenever Harry called.
• Harry visited Hagrid's hut and learned that Norbert had gone into the Forbidden Forest and that something had been killing Hagrid's roosters.
• Big Black returned covered in wounds after giant spiders attacked him, and Harry drove the spiders away with a wall of fire.
• Harry took Big Black to Madam Pomfrey, who treated his injured eye and other wounds.
• Harry promised Big Black that he would get revenge that night.

Harry summoned the Basilisk to destroy Aragog and the spider colony in the Forbidden Forest, then returned to the Muggle world for the holidays. By Christmas, The Leaky Cauldron had become the wizarding world’s most popular tavern, and Harry found himself fending off its staff’s advances.

• Harry rode Shelley to the spider colony and asked Aragog whether its spiders had hurt his dragon.
• Harry summoned the Basilisk, which killed Aragog and ate every spider before returning to Hogwarts.
• Harry covered the Basilisk’s trail and, a week later, the students left Hogwarts for the holidays.
• Harry enjoyed the Christmas bustle in the Muggle world and spent Christmas at The Leaky Cauldron.
• A woman reported the tavern’s strong performance to Harry, while he realized that its staff were trying to seduce him.

After visiting Hermione, Cho Chang, and Astoria over the holidays, Harry helped expose Lockhart, who was arrested and publicly disgraced. As students returned to Hogwarts, Percy and Penelope were petrified, and the Chamber of Secrets crisis intensified because a pure-blood student was now among the victims.

• Harry visited Hermione's home, where her parents welcomed him cautiously, and visited Cho Chang, who told him she wanted to leave her uncle's home; Harry offered to support her.
• Harry visited Astoria's manor, where her parents hinted at marrying her to him, and he readily agreed.
• Aurors arrested Lockhart during class after Harry reported him to the Ministry, and the Daily Prophet exposed his crimes and reported that his honors had been revoked.
• As the Mandrakes neared maturity and students began to feel safe, Percy confessed his feelings to Penelope Clearwater, and both were petrified.
• The governors and parents panicked because Percy was a pure-blood wizard, making it harder to dismiss the attacks as a threat only to Muggle-born students.

Harry investigated the Chamber of Secrets as Hogwarts prepared to close, then confronted and destroyed Riddle’s Diary. Riddle died without learning how Harry had survived Voldemort’s attack as a baby.

• Lucius Malfoy delivered the governors’ order suspending Dumbledore, and Harry visited Jobs in the United States, warning him he would die of cancer.
• Professor McGonagall announced that Hogwarts would close in two days and students would be sent to other wizarding schools.
• Students found a new threat on the Chamber wall, and the Gryffindors reported that Ron was missing.
• Harry Apparated to the Chamber, where he found Ron’s body and confronted Riddle, who revealed that he was Voldemort and demanded to know how Harry had defeated him as a baby.
• Riddle attacked Harry with the Killing Curse and summoned the Basilisk, but Harry revealed the serpent was his pet and identified Riddle’s Horcruxes.
• Harry ordered the Basilisk to swallow the Diary, destroying Riddle’s soul fragment before Riddle could learn the answer he sought.

After Riddle's death, Ron woke from his possession and Harry brought him to the Hospital Wing. Harry then showed Fudge and Dumbledore footage proving Riddle opened the Chamber of Secrets, stopping Hagrid's arrest and leaving Dumbledore curious about how Harry defeated Riddle.

• Fudge told Dumbledore that another student, Ron, had been attacked and insisted the Ministry had to arrest Hagrid as a suspect.
• Dumbledore agreed to let Hagrid be questioned but refused to let him be sent to Azkaban.
• Ron woke after Riddle's death, remembered the attacks he had committed while possessed, and recognized that he was in the Chamber of Secrets.
• Harry took Ron to the Hospital Wing, then went to Hagrid's Hut, where Fudge and Dumbledore were preparing to question Hagrid.
• Harry showed Fudge, Hagrid, and Dumbledore footage identifying Riddle as the one who opened the Chamber and clearing Hagrid of responsibility.
• Fudge left after agreeing Dumbledore would explain the matter, and Dumbledore asked Harry how he had defeated Riddle.

After Hogwarts announced the Chamber of Secrets was resolved and canceled final exams, Harry discovered Filch had brutally tortured Little Cutie. Harry rescued the cat and tortured Filch in revenge, leaving Filch begging for death.

• Professor McGonagall announced that Hogwarts would remain open, Dumbledore would return, the petrified students would recover, and final exams were canceled.
• Ron received a new wand, while Hermione selected every elective and added Divination to Harry's course choices.
• Dumbledore declared the Chamber of Secrets permanently sealed after inspecting the Basilisk corpse Harry had made from its shed skin.
• Harry found Little Cutie chained and gravely injured in Filch's room, then attacked Filch with the Cruciatus Curse and broke his legs.
• Madam Pomfrey treated Little Cutie and confirmed its broken leg and tail could grow back.
• Harry returned to Filch's room, shattered the statue of Mrs. Norris, and continued tormenting Filch as he begged to die.

Filch was found brutally murdered, and Dumbledore discovered that Mrs. Norris’s statue had been stolen. Harry confessed to killing Filch and claimed the caretaker had secretly served Voldemort; after finding Filch’s letters, Dumbledore believed him and praised Harry.

• A student found Filch’s corpse, and the students showed little grief over his death.
• Dumbledore found signs of Dark Magic and discovered that Mrs. Norris’s statue was missing.
• Dumbledore saw Harry carrying an injured cat and later summoned him to his office.
• Harry admitted killing Filch and threatened Dumbledore while arguing that Hogwarts needed reform.
• Harry said Filch had been Voldemort’s trusted informant and directed Dumbledore to the hidden letters.
• Dumbledore found Filch’s correspondence and told Harry he had done a good deed, while Harry asked for a reward.

Harry reviewed Voldemort’s remaining Horcruxes and destroyed the soul fragment inside Ravenclaw’s Diadem while preserving the crown. Wearing it sharpened his memory, allowing him to recall that Hufflepuff’s Cup was hidden in Gringotts, while the ring and locket remained unresolved.

• Harry listed the Horcruxes, crossed out those already destroyed or no longer relevant, and identified the ring, Slytherin’s Locket, and Hufflepuff’s Cup as the remaining ones.
• Harry took Ravenclaw’s Diadem to the Forbidden Forest and dismantled Voldemort’s protective curses without damaging the crown.
• Harry awakened and taunted the weak soul fragment, then destroyed it despite Voldemort’s offers of power and money.
• Harry cleaned the diadem and put it on, gaining clearer thoughts and remembering that Voldemort had hidden Hufflepuff’s Cup in Gringotts.
• Harry considered seeking help to recover the Cup, noted that he did not know where the Gaunt family home was, and decided to investigate the locket’s connection to Sirius Black’s relatives after Sirius got out.

Harry returned Ravenclaw's Diadem to The Grey Lady, who revealed that she was Helena Ravenclaw and recounted how she stole the diadem, lost her chance to reconcile with her mother, and later told Riddle where it was hidden. Helena planned to hide the diadem again, and Harry walked away.

• The Grey Lady approached Harry, and he brought her to the library before retrieving Ravenclaw's Diadem and giving it to her.
• Harry questioned The Grey Lady about her identity, and she introduced herself as Helena Ravenclaw, Rowena Ravenclaw's daughter.
• Helena told Harry that she had stolen the diadem, fled to Albania, and was killed before she could see her dying mother again.
• Helena explained that Riddle had gained her trust and learned where she had hidden the diadem, and Harry accused him of manipulating her.
• Helena said she would hide the diadem again, and Harry turned to leave.