Chapter Summaries

Dumbledore warned Hogwarts students that Dementors guarded the school, then introduced Professor Lupin and Hagrid as new professors. The next morning, Linley and Irina sneaked into the library’s Restricted Section to seek more Dark Arts knowledge, and Irina found herself enjoying their hand-in-hand walk.

• Dumbledore warned students not to leave Hogwarts or provoke the Dementors stationed at its entrances.
• Dumbledore introduced Professor Lupin as the Defense Against the Dark Arts professor and Hagrid as the new Care of Magical Creatures professor.
• Harry and the other students returned to their dormitories after the feast, then headed to Divination the next morning.
• Linley and Irina used Disillusionment Charms to slip past Madam Pince and enter the Restricted Section.
• Linley held Irina’s hand as they explored the Restricted Section, and Irina enjoyed the closeness.

Linley sealed the human soul trapped in a Dark Arts book, allowing Irina to study its contents before they returned to class. Professor McGonagall eased Harry’s fears about Professor Trelawney’s prediction that he would die, and Irina looked forward to meeting the Hippogriffs in Hagrid’s class.

• Linley used Alchemy Formations to seal the soul inside a Dark Arts book and gave the safe book to Irina.
• Irina read the book’s combat ideas and techniques, then left the Restricted Section for Transfiguration class while Linley returned to the dormitory with copied Alchemy Runes.
• Irina asked Harry and the others why they looked dejected, and Hermione explained that Professor Trelawney had predicted someone would die.
• Professor McGonagall told Harry that Trelawney predicted a student’s death every year without being right, reassuring him that he was healthy.
• Irina anticipated Hagrid’s Magical Creatures class and the chance to see Buckbeak and the other Hippogriffs.

Hagrid began teaching the third-year Gryffindors and Slytherins about Hippogriffs, while Irina helped the students handle their textbooks and volunteered to approach one first. The lesson ended with Irina ready to meet the proud creatures as the others hung back.

• Irina showed the students how to calm their Monsters Book of Monsters textbooks by stroking their spines.
• Hagrid went into the Forbidden Forest to bring magical creatures while Malfoy mocked his teaching and insulted Harry.
• Irina threatened Malfoy, but Lavender spotted Hagrid returning with more than a dozen Hippogriffs.
• Hagrid explained that students had to approach Hippogriffs politely, bow, and wait for one to bow back before touching it.
• When the students hesitated to go first, Irina eagerly volunteered to approach a Hippogriff.

Irina rode Buckbeak around Hogwarts Castle and helped the other students approach the Hippogriffs. The lesson ended with Buckbeak injuring Malfoy after he insulted it, while Irina calmed the creature.

• Irina bowed to Buckbeak, won its approval, and flew with it around Hogwarts Castle before returning to the paddock.
• Harry and the other students took turns trying to gain the Hippogriffs' acceptance, and Harry rode Buckbeak.
• Malfoy bowed to Buckbeak, then mocked it and Harry after Buckbeak accepted him.
• Irina cast Expelliarmus as Buckbeak attacked, but its claws raked Malfoy's back and left him bleeding.
• Irina stepped forward and calmed Buckbeak while Malfoy wailed from his injuries.

Professor Lupin taught the fourth-year Gryffindors and Slytherins how to repel a Boggart. Linley transformed the Boggart’s vision of Irina into a fluffy fox-like creature, while Irvin Fleury faced a Dark Mark.

• Professor Lupin brought the students to the staff room, where a Boggart was trapped in a cabinet, and Linley explained its nature and weaknesses.
• Professor Lupin taught the students the Riddikulus incantation and called Linley forward to face the Boggart.
• The Boggart appeared as Irina, suffering from the Cruciatus Curse, and Linley used Riddikulus to cover her in white fur and give her fox ears and a tail.
• Linley secretly photographed the transformed Boggart before returning to the group, and Professor Lupin chose not to ask about his fear.
• Irvin Fleury took his turn, and the Boggart transformed into a Dark Mark.

After seeing Irvin Fleury’s fear of the Dark Mark during Professor Lupin’s Boggart lesson, Linley learned that Irvin had witnessed memories of Voldemort’s massacres. Irvin resolved to oppose Voldemort himself if he returned, while keeping his family out of the conflict.

• Irvin Fleury cast Riddikulus on the Boggart’s Dark Mark, turning it into pink cotton candy, and the class went on to repel the Boggart.
• Linley stopped Irvin after class and asked why he feared the Dark Mark, so they went to the empty Slytherin common room to talk.
• Irvin told Linley that he had seen memories in his father’s Pensieve of Voldemort forcing Pureblood family heads to witness Death Eaters massacre wizarding households.
• Linley asked whether Irvin would fight Voldemort if he returned, and Irvin decided he would oppose him in his own name without involving his family.

Linley recruited Irvin Fleury to join his resistance against Voldemort and began an Unbreakable Vow with Irina as witness. The chapter ended as Linley asked Irvin to swear lasting loyalty to their comrades.

• Linley offered to use alchemical equipment to give Irvin combat strength and asked him to fight alongside their group against Voldemort.
• Irvin agreed to join Linley and accepted Linley's proposal to make an Unbreakable Vow.
• After curfew, Irvin used the Disillusionment Charm to leave the Slytherin dormitory and meet Linley and Irina beneath the Whomping Willow.
• Irina witnessed as Linley asked Irvin to pledge resistance against Voldemort, and Irvin agreed.
• Linley began asking Irvin to swear that he would remain their comrade and never abandon or betray them.

Linley and Irvin sealed an Unbreakable Vow, binding Irvin to remain his ally and give his all in future conflicts. Linley and Irina revealed Professor Lupin’s secret and equipped Irvin with protective alchemical items, ending by placing a Mana Stone in his hand.

• Irvin agreed to Linley’s terms, and Irina helped seal their Unbreakable Vow beneath the Whomping Willow.
• Linley led Irvin through the secret passage to the Shrieking Shack and asked him to interpret the claw marks.
• Irvin realized the werewolf was Professor Lupin, and Irina explained that Lupin had served in Dumbledore’s Order of the Phoenix.
• Linley told Irvin that his father had belonged to the Order of the Phoenix and had been killed by Voldemort.
• Linley gave Irvin Alchemy Contact Lenses, an Alchemy Pendant, an Alchemy Ring, and an Alchemy Bracer for protection.
• Linley placed a Mana Stone in Irvin’s hand.

Linley gave Irvin a Mana Stone secured by a Golden Binding Rope and explained how the items could protect him. He then kept Irina behind to offer her his notes on becoming an Animagus and said he planned to master the transformation during the school year.

• Linley explained that the Golden Binding Rope blocked the Mana Stone’s power and advised Irvin to untie it only when facing a powerful enemy.
• Irvin thanked Linley and accepted the Mana Stone and rope as equipment from his new group of comrades.
• Linley asked Irvin about his knowledge of Dark Arts and said he planned to take him and Irina to L'enfer Alley next summer to gain experience in battle.
• Linley sent Irvin back to Hogwarts Castle and asked Irina whether she wanted to learn Animagus.
• Irina said Animagus could help them survive but seemed difficult, so Linley gave her his Transfiguration notes and described the steps required to prepare for the transformation.

Linley and Irina began preparing to become Animagi, using golden leaves to practice keeping leaves in their mouths before starting the lengthy ritual. During Defense Against the Dark Arts, Irina faced a Boggart that revealed her fear of Linley’s death.

• Linley explained the Animagus process and asked Irina to undertake it with him, and she agreed.
• Linley gave Irina a golden alchemical leaf, and they began practicing with the leaves in their mouths.
• Four days later, Professor Lupin taught the Gryffindors and Slytherins to confront a Boggart.
• Neville turned the Boggart's Professor Snape into an old woman, and Irina photographed the scene.
• The Boggart showed Irina a dead Linley, revealing that she feared his death.

Linley and Irina began the month-long Animagus ritual by holding bitter Mandrake leaves in their mouths. Dumbledore summoned Linley and offered to teach him powerful magic capable of destroying Horcruxes, though he refused to teach Fiendfyre.

• Irina turned the Boggart’s image of Linley’s corpse into a wolf-eared version of him and secretly photographed it.
• Professor Lupin stopped the Boggart before it could reveal Harry’s greatest fear, leaving Harry disappointed that he could not practice.
• Linley and Irina put single Mandrake leaves in their mouths on the full moon to begin their Animagus preparation.
• Irvin told Linley that Dumbledore wanted to see him, and Linley visited the Headmaster’s office.
• Dumbledore told Linley he would not teach him Fiendfyre but would teach him magic just as powerful that could destroy Horcruxes.

Dumbledore taught Linley about Goblet Immortal Fire, a powerful form of white magic that could destroy Horcruxes but normally could not be controlled or moved. Linley handled the flame without alchemy and discovered he could command and even extinguish it.

• Dumbledore decided to teach Linley Goblet Immortal Fire instead of Fiendfyre, explaining its power and its inability to be controlled by ordinary wizards.
• Dumbledore summoned Goblet Immortal Fire and used alchemical formations in his palm to lift it and pass it to Linley.
• Linley reached into the flame and felt an affinity for it, then raised it in his hands without using an alchemical formation.
• Dumbledore marveled at Linley's ability to command the Eternal Fire, while Linley sensed he could change its temperature and extinguish it.

Linley learned the meaning and incantation of the Goblet Immortal Fire from Dumbledore and successfully summoned a golden flame before curfew. Dumbledore reflected on their different views of eternity and wondered whether the new era should be left to younger people.

• Dumbledore taught Linley that casting the Goblet Immortal Fire required emotions of eternity and protection, and Linley asked what eternity meant to him.
• Dumbledore described rules as his eternity, but Linley questioned whether he meant the laws of nature or the Ministry of Magic's laws.
• Linley said true eternity came from giving people a dream and bringing them good things, and golden power of eternity appeared around him.
• Dumbledore taught Linley the Goblet Immortal Fire's incantation, and Linley spent the day learning how to summon the flame.
• Before curfew, Linley successfully cast a brilliant golden Goblet Immortal Fire, then left the Headmaster's office to sleep.
• Dumbledore reflected on Linley's more radical outlook and wondered if he had grown old and should leave the new era to young people.

Linley and Irina buried the ingredients for their Animagus transformations under a full moon, protecting them with layered Alchemy Formations and spells. On Halloween Eve, they went to Hogsmeade together to buy supplies, while Harry stayed behind because he lacked permission to visit.

• Linley and Irina went into the Forbidden Forest, where Linley had killed a splinter group of Acromantulas and collected their venom.
• Under the full moon, Linley and Irina placed a Mandrake leaf, their hair, dew, and a Death's-head Hawkmoth chrysalis into labeled crystal phials, then buried them beneath a tree.
• Irina cast defensive spells around the buried phials, and Linley added a repelling Alchemy Formation and a one-use formation that stored ten Sectumsempra spells.
• Harry could not visit Hogsmeade because he had not obtained the Dursleys' signatures, so Irina gave Ron and Hermione a map before leaving with Linley.
• Linley and Irina arrived in Hogsmeade and walked toward a butcher's shop to buy supplies.

Linley and Irina bought supplies in Hogsmeade, then decided to intercept Sirius Black at the Shrieking Shack before he could interfere with Linley’s plan. They reached the Shack before him and found evidence that he had been staying there.

• Irina bought food for her magical creatures, while Linley purchased alchemical materials to make containers for Goblet Immortal Fire.
• At Madam Puddifoot’s Tea Shop, Linley and Irina agreed that they should find Sirius Black before the end of the school year and persuade him to cooperate.
• Linley realized that Sirius Black would likely head to the Shrieking Shack on Halloween eve, so he and Irina skipped the Halloween feast to lie in wait there.
• Linley and Irina reached the Shrieking Shack and found signs that Sirius Black had been living there, but no one was inside.

Linley and Irina encountered Sirius Black in the Shrieking Shack, where he attacked them before they could explain who they were. Irina subdued him with her magic and Little Swooping Evil, leaving Sirius unconscious.

• Sirius returned to the Shrieking Shack and found Linley and Irina inside.
• Sirius cast Expelliarmus at Irina, but she dodged and Linley decided they should subdue him first.
• Irina unleashed her Ice Domain and attacked Sirius with icicles and ice blades, but he dodged and blocked most of them.
• Linley let Irina continue fighting so she could gain experience, and she pressed Sirius with disarming and Glacier spells.
• Irina sent Little Swooping Evil to cover Sirius's face, knocking him unconscious.

Linley and Irina questioned Sirius in the Shrieking Shack, revealed Linley was Hendry Rowle’s son, and confirmed they knew Peter Pettigrew was hiding as Scabbers. They told Sirius they had already begun a plan and had brought him there to stop him from disrupting it.

• Sirius woke bound by Linley’s Golden Binding Rope and discovered he could not use magic to escape.
• Linley and Irina returned, and Linley revealed he was Hendry Rowle’s son and introduced Irina as his partner.
• Linley freed Sirius and told him they knew he had been framed and was searching for Peter Pettigrew.
• Irina confirmed that Ron’s rat, Scabbers, was Pettigrew’s Animagus form and had lived with the Weasleys for years.
• Linley told Sirius they had already taken action and wanted to prevent him from ruining their plan, leaving Sirius stunned.

Linley told Sirius Black that he was an alchemist and explained his plan to secretly weaken Peter Pettigrew while keeping the alchemical cage intact. After Sirius agreed to cooperate, he challenged Linley to a duel and was overwhelmed by Linley’s magic and alchemical formations.

• Linley revealed his alchemical background and told Sirius Black about his plan to weaken Peter Pettigrew without letting him escape.
• Sirius Black agreed to follow his original plan and preserve the alchemical cage holding Peter Pettigrew.
• Linley prepared the Demon God's Authority with a concentrated Magic Crystal before agreeing to duel Sirius Black.
• Sirius Black opened with Expelliarmus, but Linley dodged and attacked with Fiendfyre.
• Sirius Black extinguished the Fiendfyre with the Vanishment Charm and launched Dark Arts at Linley.
• Linley’s three charged Alchemy Formations fired nearly a thousand golden beams, overwhelming Sirius Black’s attacks and bombarding him.

Linley and Irina defeated Sirius Black, gave him tools to stay in contact and obtain supplies, and returned to Hogwarts after the Halloween feast. Their explanations for being away prompted Professor McGonagall and Hermione to suspect they had been privately meeting, while the students spent the night sleeping in the Great Hall after Sirius’s break-in.

• Linley and Irina defeated Sirius Black, and Linley gave him a Two-way Mirror and an alchemical mask before they left the Shrieking Shack.
• Professor McGonagall reprimanded Linley and Irina for returning late, and Irina claimed they had been discussing magic near the Forbidden Forest.
• Professor McGonagall misunderstood Irina’s explanation and warned the pair to show restraint before letting them go without deducting House points.
• Linley and Irina went to the Great Hall, where the students had to sleep while professors searched Hogwarts for threats.
• Irina told Hermione that she and Linley had gone shopping in Hogsmeade, but Hermione also suspected a secret meeting, and most students stayed awake until late.

Linley and Irina skipped Defense Against the Dark Arts to complete their Animagus transformations in the Forbidden Forest. Linley became a powerful snow-white Snow Wolf King and tested his new form with a howl.

• Snape took over Lupin’s class and deducted twenty Gryffindor points because Irina was absent.
• Linley and Irina expanded their protective spells around the site where they had buried their potion bottles.
• Linley drank the Animagus potion and endured intense pain as he transformed into a Snow Wolf King.
• Linley howled in his new form, frightening small animals in the nearby woods.