Chapter Summaries

After Cyrus was injured during the Quidditch match, Cho Chang visited him in the Hospital Wing and praised his flying. Once Madam Pomfrey released him that night, Cyrus checked the Marauder's Map and headed to the Room of Requirement to study alchemy.

• Harry, Ron, Ginny, and Hermione waited until the Slytherin players had left before visiting Cyrus, and Ginny said he would not play another match.
• Cho Chang brought Cyrus Pumpkin Pasties, praised his flying, and asked him for an autograph.
• Cyrus told Cho Chang he did not plan to become a Quidditch star, and she said he seemed different from what people said about him.
• Madam Pomfrey confirmed Cyrus's arm had healed and let him leave the Hospital Wing after dark.
• Cyrus used the Marauder's Map to check the deserted Castle, then headed to the Room of Requirement to study alchemy.

Cyrus received Lucius and Narcissa’s coded message confirming that the governors planned to remove Dumbledore after the next attack and that Hagrid would be sent to Azkaban. He weighed when to strike, then advised Hermione, Harry, Ron, and Ginny about electives and helped them study before Madam Pince drove them from the library.

• Cyrus read Lucius and Narcissa’s concealed message and learned that Lucius had arranged for Dumbledore’s removal after the next victim appeared and for Hagrid’s brief imprisonment in Azkaban.
• Cyrus considered carrying out another attack on the day of the Gryffindor-Hufflepuff Quidditch match, but remained wary of Dumbledore and unprepared to face him.
• Lockhart offered to tutor Cyrus in Quidditch, but Cyrus rejected him and mocked his claims and ambitions.
• Cyrus discussed third-year electives with Hermione, Harry, and Ron, and Malfoy chose alchemy, ancient runes, and care of magical creatures while Hermione selected every subject.
• Hermione and Ginny followed Cyrus to study, and he taught them the Bubble-Head Charm before Madam Pince threw them out of the library.

Cyrus failed to brew the potion but realized Ravenclaw's Diadem might still grant him wisdom despite containing a Horcrux. He wore it, confronted Voldemort's soul fragment, and persuaded it to accept his plan to take over where the original Voldemort had failed.

• Cyrus's latest potion batch turned poisonous, and he worried that he was running out of Snape's stolen ingredients.
• Cyrus realized that Voldemort's soul inside Ravenclaw's Diadem might not prevent him from using its wisdom.
• Cyrus entered the Room of Hidden Things, found the Diadem, and put it on.
• Voldemort's soul fragment demanded to see Cyrus's soul, and Cyrus revealed himself as Riddle while holding the Diary.
• Cyrus told Voldemort about his defeat, Harry Potter's thwarting of his plans, and the dangers of relying on Horcruxes.
• Cyrus declared that there was only one Voldemort and persuaded the soul fragment to let him take over the mission to make the name Voldemort great again.

Cyrus studied The Book of the Jew Abraham for a way to create the Philosopher’s Stone, but Voldemort forced him to confront that its creation required sacrificing life. The revelation was already complete once the book came into Cyrus’s hands, though what it revealed remained unstated.

• Cyrus opened The Book of the Jew Abraham and examined its numbers and images, considering whether basilisk shed skin could help him create the Philosopher’s Stone.
• Voldemort mocked Cyrus’s interpretation of the snake imagery and pointed to the book’s depictions of bloodshed and sacrificed infants.
• Voldemort told Cyrus that creating the Philosopher’s Stone required paying for life with life, forcing Cyrus to face the possibility that someone had to die for his resurrection.
• Cyrus and Voldemort discussed whether Nicolas Flamel had knowingly paid that price when he made the Philosopher’s Stone.
• Voldemort told Cyrus that the book’s revelation was complete as soon as it came into his hands.

Cyrus decided to seek Acromantulas in the Forbidden Forest as sacrifices for creating a Philosopher’s Stone, then continued tutoring Hermione in Ancient Runes while preparing to advance his plan. Their conversation about Cho left Cyrus feeling strangely guilty, and the chapter ended with the Hufflepuff match approaching and Cyrus ready to act.

• Voldemort believed the Book of the Jew Abraham had destined him to create a Philosopher’s Stone, while Cyrus rejected sacrificing innocent Hogwarts students and considered using lives in the Forbidden Forest instead.
• Cyrus planned to visit the Forbidden Forest and said it was time to bring his plan to its final stage now that Lucius Malfoy was ready.
• Cyrus met Hermione for their tutoring session and learned that Ginny had class while Harry was busy training for the Hufflepuff match.
• Hermione questioned Cyrus about spending time with Cho, and Cyrus explained that she had asked him for flying lessons.
• Cyrus taught Hermione about Runes Writing, its origins and uses, and the meanings of its twenty-four letters.
• The lessons continued until Friday, with the Hufflepuff Quidditch match due to begin at eleven the next morning.

Hermione uncovered that a Basilisk was behind the attacks and deduced how its victims had avoided being killed, but the chapter ended as Malfoy approached her in the deserted library.

• Cyrus used the Basilisk to guide Hermione toward the mystery, then followed her invisibly after she left for the library.
• After Harry heard the voice again, Hermione realized it might be traveling through the walls and hurried away to investigate.
• Hermione broke into the library and concluded that the monster was a Basilisk moving through Hogwarts's pipes.
• She worked out that the victims had avoided looking directly into the Basilisk's eyes and realized Hagrid had been falsely accused.
• Hearing footsteps, Hermione wrote down a clue, raised her wand, and saw Malfoy approach.

Hermione discovered that the monster was a basilisk, but Cyrus revealed that he was the Heir of Slytherin and had framed Hagrid while orchestrating the attacks. He petrified Hermione with the basilisk’s gaze and triggered the library alarm, leaving her fate uncertain.

• Hermione told Cyrus she had identified the basilisk and explained how it moved through the pipes.
• Cyrus confessed that he was the Heir of Slytherin and had framed Hagrid and planned the attacks.
• Cyrus sent the basilisk after Hermione as she fled through the library, but his magic sealed the doors and trapped her.
• Cyrus forced Hermione to open her eyes toward the basilisk, and she was petrified despite casting a Bubble-Head Charm.
• Cyrus ordered the basilisk to stop, adjusted Hermione’s body, and triggered the library alarm.

Harry and Ron learned that Hermione had been petrified in another attack, and Hogwarts cancelled Quidditch and imposed strict restrictions on students. Harry decided to seek Hagrid’s help and planned to sneak out with Ron and Mr. Riddle.

• Harry, Ron, and Ginny heard Professor McGonagall cancel the Quidditch match and summon Harry and Ron.
• McGonagall and Madam Pomfrey found Hermione petrified near the Library, with her eyes forced open.
• McGonagall announced strict school restrictions and warned that Hogwarts might close if the attacker was not caught.
• Lee Jordan blamed Slytherin for the attacks, while Harry worried about Hermione and the possibility of returning to the Dursleys.
• Harry decided to visit Hagrid, and Ron suggested they find Mr. Riddle and use Harry’s father’s old cloak.

Harry, Ron, and Ginny visited Hagrid at night, where Cyrus possessed Ginny to help them avoid detection. Dumbledore and Cornelius Fudge arrived and announced that the Ministry would take Hagrid away over the attacks, despite Dumbledore’s stated confidence in him.

• Harry and Ron met Ginny in the common room, and Cyrus transferred from Malfoy into Ginny before they left under the Invisibility Cloak.
• Harry, Ron, and Cyrus visited Hagrid, who acted nervously and fumbled while preparing tea after hearing about Hermione’s condition.
• Dumbledore and Cornelius Fudge arrived at Hagrid’s door, forcing the three visitors to hide behind the sofa.
• Fudge told Hagrid that the Ministry would take him away as a precaution, while Dumbledore protested but did not stop it.

Lucius Malfoy arrived at Hagrid’s hut with an order signed by all twelve governors suspending Dumbledore, who agreed to leave Hogwarts. The next day, fear spread through the school while Cyrus, using Ginny’s body, looked forward to his approaching rebirth.

• Lucius Malfoy presented the governors’ order suspending Dumbledore, and Fudge protested that the Ministry could not afford to lose him.
• Hagrid confronted Malfoy and warned that the attacks would continue, but Dumbledore accepted the suspension and reminded those present that help would always be available at Hogwarts.
• As Dumbledore and Fudge left, Hagrid told them to follow the spiders and asked someone to feed Fang.
• Ron removed the Invisibility Cloak and feared the school would close and the attacks would worsen without Dumbledore.
• The next day, news of Dumbledore’s departure frightened Hogwarts students, while Cyrus enjoyed the day in Ginny’s body and anticipated his rebirth.

As fear spread through Hogwarts, Cyrus heard that Malfoy had threatened the students and learned that Harry and Ron had found a clue pointing toward spiders. The three agreed to investigate that night, hoping to learn more about the attacks and Hermione’s petrification.

• McGonagall tightened security at Hogwarts while the students waited for the mandrakes to mature and guarded the petrified victims.
• Ron told Cyrus that Malfoy had wished Hermione had been killed and threatened the next Mudblood to be attacked.
• Harry, Ron, and Cyrus discussed Lockhart’s accusation that Hagrid was responsible for the attacks.
• Harry and Ron told Cyrus they had seen spiders heading toward the Forbidden Forest, following Hagrid’s advice to follow them.
• Cyrus, Harry, and Ron decided to investigate the spiders that night.

Cyrus learned that Fred and George had meant the Marauder’s Map when they discussed a lost item, and he kept its existence secret from Ron. After midnight, Cyrus, Harry, and Ron left Hogwarts to search the Forbidden Forest for Hagrid and the spiders, leaving Harry’s Invisibility Cloak behind in the hut.

• Fred and George’s remarks made Cyrus fear that Dumbledore knew about his Diary, but he realized they had been discussing the Marauder’s Map.
• Cyrus asked Fred and George to let him keep the map for a few more days, and he refused to tell Ron what it was.
• Harry, Ron, and Cyrus waited until midnight, then slipped out of Hogwarts, with Cyrus using a Disillusionment Charm instead of sharing the Invisibility Cloak.
• The three boys reached Hagrid’s Hut, where Harry left the Invisibility Cloak on the table before they headed toward the Forbidden Forest with Fang.
• Cyrus stayed behind briefly, looked at the Cloak, then closed the hut door and followed the others.

Cyrus, Harry, and Ron followed the spiders into the Forbidden Forest in search of help for Hermione, where they encountered the enchanted Weasley car and were seized by Acromantulas. The chapter ended with the spiders carrying them into the darkness.

• Cyrus, Harry, and Ron followed the spiders off the forest path, with Fang accompanying them.
• Harry persuaded Ron to continue because they needed to save Hermione.
• Fang reacted to a noise, and Cyrus recognized the approaching vehicle as the Weasley car.
• Ron welcomed the car, but Harry noticed the spiders had disappeared from its bright headlights.
• Cyrus saw enormous Acromantulas and allowed them to seize him, Harry, and Ron and carry them into the undergrowth.

Cyrus, Harry, and Ron reached Aragog’s hollow and asked the giant spider about Hagrid’s past and the Chamber of Secrets. Aragog revealed that he had never been the Chamber’s monster, leaving Harry to question the accusations against Hagrid.

• A giant Acromantula carried Cyrus, Harry, Ron, and Fang to Aragog’s hollow, where Aragog ordered the spiders to kill the strangers.
• Cyrus told Aragog that they were Hagrid’s friends, and Harry explained that Hagrid had been sent to Azkaban over the reopened Chamber of Secrets.
• Cyrus explained that the school blamed Hagrid for releasing a monster that attacked students.
• Aragog said he had been brought to Hogwarts in an egg, that Hagrid had hidden and cared for him, and that he had lived in the forest since people blamed him for a girl’s death.
• Aragog insisted that Hagrid was a good man and described how Hagrid had helped him build a family with Mosag.

Harry, Ron, and Cyrus discovered that the spiders feared an unnamed creature that had lived in Hogwarts, then faced the Acromantulas as Aragog let them attack. Cyrus stayed behind to fight while the enchanted car rescued Harry, Ron, and the dog, leaving Cyrus surrounded in the hollow.

• Aragog told Harry that an ancient creature in the Castle had terrified the spiders, but refused to name it.
• Aragog said he could no longer stop his colony from eating the humans, and the spiders closed in on Harry, Ron, and Cyrus.
• Cyrus urged Harry and Ron to escape and revealed that he had let the spiders capture him so he could find their lair.
• Mr. Weasley's car charged into the hollow, and Cyrus cleared a path so Harry, Ron, and the dog could get inside.
• Cyrus blasted apart a giant spider blocking the exit, allowing the car to escape while he remained among the spiders.

Harry and Ron escaped the Acromantulas after learning that Hagrid had not opened the Chamber of Secrets, then waited anxiously for Cyrus. Cyrus sacrificed the spiders to strengthen the red liquid for his creation of the Philosopher’s Stone, while Harry and Ron saw flames rise from the Forbidden Forest.

• Harry and Ron fled the spiders in Hagrid’s car and escaped the Forbidden Forest.
• Ron blamed Hagrid for leading them to Aragog, while Harry said they had proved Hagrid was innocent of opening the Chamber of Secrets.
• Harry and Ron waited in Hagrid’s hut for Cyrus, fearing for his safety when he did not return.
• Cyrus sealed the hollow, blasted back the Acromantulas, and set the swarm ablaze.
• Cyrus sacrificed the Acromantulas and gathered the red liquid their lives produced into his cauldron.
• Harry spotted flames lighting up the Forbidden Forest and called Ron’s attention to them.

Harry, Ron, and Cyrus returned from the Forbidden Forest, and Harry shared his theory about Moaning Myrtle with Cyrus. As Dumbledore waited for Tom Riddle to make his next move, Cyrus prepared for the Philosopher’s Stone to finish forming.

• Harry and Ron set out to find Ginny, but Cyrus emerged from the Forbidden Forest unharmed after killing the Acromantulas.
• Cyrus gave Harry and Ron Invigoration Draughts in Gryffindor Tower, where Harry told him that the girl killed fifty years earlier was Moaning Myrtle.
• Harry proposed questioning Myrtle, but Cyrus warned that sneaking into the girls’ bathroom could alert the professors and said he had one final preparation to complete.
• Cyrus waited for the Philosopher’s Stone to solidify so he could hide its unformed life in the Room of Requirement.
• Dumbledore waited by the Black Lake after securing the governors’ support, certain that Tom Riddle would soon reveal himself in another attack.

Dumbledore returned to the Ministry to check that Voldemort’s wand remained secured, while Cyrus completed the Philosopher’s Stone and used its Elixir of Life to restore Ginny’s lost life. As Harry and Ron searched for the Chamber of Secrets, Cyrus distracted McGonagall and entered the bathroom to leave a new threat on the wall.

• Dumbledore asked Fudge whether Voldemort’s wand was still stored securely at the Ministry and said he had come to collect something for another student.
• Cyrus completed the Philosopher’s Stone, tested its ability to turn a table entirely to gold, and drank its Elixir of Life to replenish Ginny’s lost life.
• Harry and Ron slipped away to investigate the Chamber of Secrets, and Cyrus followed them under a Disillusionment Charm while carrying the Marauder’s Map.
• Cyrus made a noise to draw McGonagall toward Harry and Ron, and Harry told her they had wanted to visit Hermione in the Hospital Wing.
• Cyrus reached the bathroom and wrote, “Her bones will remain in the Chamber of Secrets forever,” on the corridor wall.

Cyrus revealed himself as the Heir of Slytherin and confronted Ginny in the Chamber of Secrets. After frightening her and restoring her life force with the Philosopher’s Stone, he swallowed it and returned to life.

• Cyrus used a Confundus Charm on Moaning Myrtle, opened the Chamber of Secrets, and freed Ginny’s soul so she could witness his actions.
• Cyrus revealed that he was Mr. Riddle and had been behind the attacks, while Ginny grieved over his betrayal.
• Cyrus warned Ginny not to trust thinking magical objects, then drained her until she collapsed.
• Cyrus used the Philosopher’s Stone to restore Ginny’s life force and left her sleeping peacefully.
• Cyrus swallowed the Philosopher’s Stone, which became his heart and restored him to life.

Cyrus escaped the Chamber of Secrets, took Harry Potter’s Invisibility Cloak, and followed a hidden passage to the Shrieking Shack. There, he found Dumbledore waiting despite the Marauder’s Map showing Dumbledore elsewhere.

• Cyrus summoned the basilisk from Slytherin’s statue and shrank it so it could hide in his sleeve.
• Cyrus joined the students in Gryffindor Tower and took Harry Potter’s Invisibility Cloak from his bed.
• Cyrus watched Harry and Ron lead Lockhart toward the bathroom, then saw Dumbledore appear in Professor McGonagall’s office on the Marauder’s Map.
• Cyrus entered the passage beneath the Whomping Willow and reached the Shrieking Shack.
• Cyrus found a white-bearded Dumbledore in the Shack while the Marauder’s Map still showed Dumbledore in Professor McGonagall’s office.