Chapter Summaries

Sean finally found his own feel for drawing Alchemy Arrays and sent Antonius Hopkins's letter to Dumbledore, who recognized the name and agreed to pass it to Nicolas Flamel. The chapter ended with Dumbledore and the former Headmasters awaiting Nicolas's reply.

• Sean calmed himself, completed a simple pentagram Alchemy Array, and realized he had found the feel his teacher had described.
• Sean sent Antonius Hopkins's letter to Dumbledore by owl, then returned to the Slytherin Common Room.
• Dumbledore checked the letter for magic or curses before opening it as Phineas and Delores Derwent argued in the portraits.
• Dumbledore recognized the letter's advanced alchemical knowledge and asked Dexter about Antonius Hopkins, whom Dexter recalled as the greatest alchemist of his age.
• Dumbledore told the former Headmasters that Antonius wanted him to pass the letter to Nicolas Flamel, and he agreed to do so.

Nicolas Flamel received a letter from Dumbledore containing an Alchemy letter attributed to Antonius Hopkins, an ancient alchemist. Impressed by its insights, Nicolas decided to take the Elixir of Life again and reply.

• Nicolas Flamel used an Alchemy Array to summon Liza and had her retrieve a letter delivered by owl.
• Nicolas Flamel opened Dumbledore's letter and learned that an enclosed letter had been written by Antonius Hopkins.
• Nicolas Flamel read the letter's questions and solutions about creating the Philosopher's Stone and recognized its extraordinary Alchemy.
• Nicolas Flamel asked Liza to bring him the remaining Elixir of Life, parchment, and a quill so he could dictate a reply.

Fenrir learned that Hogwarts student Sean Bulstrode had developed a cheaper, easier Wolfsbane Potion formula and planned to make him a werewolf so he could recruit and control him. He sent Silver Fang to watch for Sean near Hogsmeade and make contact.

• Silver Fang reported that Sean Bulstrode's paper described substitutes that cut Wolfsbane Potion costs by thirty percent and promised further improvements.
• Fenrir decided he wanted Sean to join his werewolf pack and ordered Silver Fang to find him near Hogwarts during Hogsmeade weekends.
• Silver Fang warned that Sean was a Hogwarts student and a member of the Bulstrode family, making an abduction risky.
• Fenrir explained that he planned to bite and train Sean so the Potions genius would become loyal to him.
• Silver Fang accepted Fenrir's orders and left to prepare for the search near Hogsmeade.

Sean supported Harry’s decision to learn the Patronus Charm from Lupin, and Hogwarts prepared for Christmas. The chapter ended with Professor Babbling increasingly frustrated by the holiday festivities and Sean’s questioning, while trouble loomed with werewolves targeting Sean.

• The chapter described the Ministry’s failed efforts to control werewolves and Fenrir’s growing confidence as he sent two werewolves to Hogsmeade to target Sean.
• Harry asked Sean whether he should learn the Patronus Charm from Lupin, and Sean encouraged him to do so.
• Three days before Christmas, a large tree appeared in the Slytherin Common Room, where younger students scrambled to collect its falling candy.
• Sean and Blaise sent Christmas gifts to Sean’s family, Gavin, and Elena, while Sean sent Aldrich money.
• Professor Babbling became increasingly irritated by Christmas at Hogwarts and Sean’s hour-long questioning after he stopped her from leaving through a classroom window.

On Christmas, Sean received gifts from friends and readers, then told Kulkan he would personally carry out their plan that night while Kulkan watched the rat near Ron. The chapter ended with Sean meeting Blaise and two others at his door to go to the Great Hall, leaving the plan still ahead.

• Sean reflected on his Ancient Runes studies and on the letters exchanged between Antonius and Nicolas Flamel through him and Dumbledore.
• Sean woke to a pile of Christmas gifts, including presents from readers and gifts from Blaise, Janson, Andy, and others.
• Sean reminded Kulkan that he would personally carry out their plan that night, while Kulkan kept watch on the rat near Ron in the Gryffindor Common Room.
• Kulkan insisted he would not fail, and Sean teased him about his earlier unsuccessful attempts.
• Blaise and two others arrived, and Sean opened the door ready to go with them to the Great Hall.

At the Christmas feast, Trelawney’s prediction that the first of thirteen people to stand would die triggered Sean’s Spiritual Vision, showing Snape killing Dumbledore. Sean recognized the vision’s connection to the prophecy and left under Disillusionment to follow Harry and Ron.

• Blaise complained that Harry had received a Firebolt for Christmas while his own mother had refused to buy him one.
• Trelawney arrived at the feast and warned that the first of thirteen people to stand would be the first to die.
• When Trelawney sat down, Sean’s Spiritual Vision showed Snape killing Dumbledore and throwing him from the Astronomy Tower.
• Sean reasoned that Dumbledore had been the first of the thirteen to stand and that Trelawney had miscounted the people present.
• Sean left the Great Hall, cast the Disillusionment Charm, and followed Harry and Ron.

Sean used Shadow of the Boggart to make Peter Pettigrew flee from an imagined Sirius and other enemies into the Forbidden Forest. Once the illusion faded, Peter realized Sean had caused it and attacked him, giving Sean the duel he wanted.

• Sean secretly cast Fear Illusion on Peter Pettigrew while Harry and Ron were walking to Gryffindor Tower.
• Peter fled Ron in terror, imagining Sirius pursuing him, and ran from Hogwarts toward the Forbidden Forest under Sean’s guidance.
• Peter saw an imagined Lupin, James, Lily, Harry, Dumbledore, and others trying to kill him as he escaped.
• The illusion faded, and Sean appeared with Kulkan as Peter realized Sean had been behind the nightmare.
• Peter angrily lunged at Sean, triggering the duel Sean wanted.

Sean confronted Peter Pettigrew, using powerful magic to trap him and rejecting Pettigrew’s attempt to excuse his actions. When Pettigrew attacked, Sean used Pain Siphon and discovered it could restore his mental energy by drawing out happy memories.

• Sean cast a Level Five Thorn Curse, but Peter turned into a rat to dodge the vines and approach him.
• Sean froze Peter with Frost Domain, forcing him to break free in human form and realize he had underestimated Sean.
• Peter pleaded that he was innocent and blamed Sirius Black, but Sean said he was only there to capture Peter and would leave the rest to Harry and Lupin.
• Peter transformed into a rat and lunged at Sean, who struck him with Pain Siphon.
• Pain Siphon extracted Peter’s happy memories and restored Sean’s mental fatigue.

Sean repeatedly tortured Peter Pettigrew with Pain Siphon until he acquired Animagus, then wiped Peter’s memories and left him near Gryffindor Tower. Back in his room, Sean explained his ability to Kulkan and revealed his new transformation, crushing her against the wall.

• Sean trapped Peter Pettigrew in repeated visions of his past and drained his happiness with Pain Siphon.
• Sean’s panel awarded him Aguamenti LV3 and Animagus LV3 after his duel with Peter Pettigrew.
• Sean erased Peter Pettigrew’s memories, carried him in a bag, and left him alive near Gryffindor Tower.
• Sean returned to his room and told Kulkan that he could acquire abilities after defeating someone.
• Sean transformed into a large animal and pinned Kulkan against the wall.

Sean’s attempt to test his Animagus transformation wrecked his dorm room because his Basilisk abilities made his form far larger than expected. After his friends helped repair the damage, he led them to the Abandoned Girls’ Lavatory to show them the spell he had been testing.

• A tremor shook the Slytherin Common Room, and Blaise, Andy, and Janson suspected it had come from Sean’s room.
• Janson checked on Sean, then Blaise and the others found the room reduced to fragments after Sean’s failed transformation.
• Sean repaired the room with his Wand, and he and his friends restored the furniture and books.
• Sean pulled Kulkan from a corner and apologized after discovering that his Animagus form had grown too large for the room.
• Sean led Blaise, Andy, and Janson to the Abandoned Girls’ Lavatory after they asked what spell had caused the destruction.

Sean returned to the Chamber of Secrets with Blaise and two others to show them the magic he had learned, revealing his Animagus form as a White Giant Serpent. He inspected his transformed abilities and discovered that his equipment was unusable in this form.

• Sean opened the Chamber of Secrets entrance with Parseltongue and led Blaise and the other two inside.
• Sean collected the Basilisk's skull and two pieces of its spine, then told Blaise that he had killed the Basilisk with the Sword of Gryffindor.
• Sean transformed into his Animagus form, stunning Blaise and the other two with his enormous White Giant Serpent body.
• Sean checked his attributes and found that his Animagus talents were active, some original abilities were locked, and his equipment could not be used while transformed.

After Christmas, Sean revealed his enormous White Snake King Animagus form in the Chamber of Secrets, then returned to Hogwarts and helped an exhausted Hermione recover with potions. The chapter ended with Sean leaving the library to discuss his second-stage paper with his Head of House.

• Sean transformed into the White Snake King, astonishing Blaise and the others, then reverted after suppressing his urge to fight.
• Sean and the others left the Chamber of Secrets under Disillusionment Charms and returned to their rooms without being discovered.
• Sean offered Kulkan dragon blood and meat from his Dragon Farm, and Kulkan eagerly accepted the offer.
• After Christmas, Sean managed his coursework and research with ease while Hermione grew exhausted from taking every course.
• Sean gave Hermione potions to stop her coughing and restore her energy, and Hermione vowed to beat him and Catherine for the top student position.
• Sean left the library to discuss his second-stage paper with his Head of House.

After Kulkan discovered that someone had broken into Sean’s room, Sean decided to confront the Slytherin Brotherhood Reserve Organization. He arrived at their gathering place and blasted its door with Bombarda.

• Snape approved Sean speeding up his Potions research but warned him not to overuse the Time-Turners or exhaust himself.
• Kulkan told Sean that an intruder had searched his room and that she had followed the person to the Slytherin Brotherhood Reserve Organization’s gathering place.
• Sean resolved to use the break-in as an excuse to confront the organization and vent his anger over its earlier actions against him.
• Kulkan followed Sean, and a crowd gathered as they reached the organization’s door.
• Sean raised his Wand and cast Bombarda at the door.

Sean Bulstrode breached the Slytherin Brotherhood Reserve Organization’s gate and confronted its members over the theft of his experimental materials and thesis data. He defeated Samuel and Ilina, then stopped the guilty thief and demanded to know whether he had expected such swift retribution.

• Sean bombarded the organization’s gate with Explosion Charms until it broke open.
• Sean entered with Kulkan and warned Samuel and Ilina to stand aside, but they refused to abandon their positions as leaders.
• Sean cast Frost Domain and used a series of spells to overwhelm Samuel and Ilina.
• Sean used Shadow of the Boggart to frighten Samuel and Ilina, then petrified Samuel and knocked Ilina unconscious.
• A guilty member tried to flee, but Kulkan caught him and Sean confronted him about stealing his experimental materials and thesis data.

Sean punished Brook for breaking into his room to steal his experimental data and materials, then left the matter with Snape. The chapter ended with Brook defeated and Snape promising Sean a satisfactory result.

• Jennifer and Barrett watched Sean demonstrate his power, while Malfoy hid from him behind the curtains.
• Sean freed Brook from Kulkan’s grasp and challenged him to a duel over the attempted theft.
• Sean repeatedly knocked Brook down with spells as Brook tried to defend himself and protested that he had suffered enough.
• When Brook refused to get up, Sean used Pain Siphon on him until Snape intervened and ordered him to stop.
• Sean explained Brook’s attempted theft to Snape, who said he would handle the matter and satisfy Sean.

After Brook was left with injuries resembling a Dementor’s Kiss, Dumbledore and Snape prepared to discuss Sean’s experimental work and the theft of his data. Sean joined Snape on the way to the Headmaster’s Office, intending to seek special privileges.

• Madam Pomfrey began treating Brook after Dumbledore explained that another student’s magic had caused his injuries and advised her to treat them like a Dementor attack.
• Snape told Dumbledore that Sean wanted to discuss someone at Hogwarts trying to steal his experimental data and materials for the New Wolfsbane Potion.
• Dumbledore recognized that Sean had supplied Snape’s words, agreed to meet with them, and went to prepare drinks and sweets.
• Snape found Sean finishing calculations in his room, and Sean packed his work before they left for the Headmaster’s Office.
• Slytherin students speculated about whether Sean would be punished and blamed the Slytherin Brotherhood for the incident.

Sean and Snape met with Dumbledore to discuss Brook’s attack on Sean’s research and the consequences for Brook. After Dumbledore agreed to seek justice and punish the Slytherin Brotherhood, he asked Sean to arrange a face-to-face meeting between Mr. Antonius and Nicholas.

• Sean and Snape entered Dumbledore’s office, where Dumbledore acknowledged Sean’s resemblance to his grandfather Gavin and admitted his management had failed.
• Dumbledore said Brook had been badly harmed by Sean’s magic, but Sean agreed to apologize and pointed out that Brook would face an investigation and trial.
• Sean argued that Brook and his associates had tried to steal his research, and Dumbledore promised to seek justice while asking Sean to spare Brook.
• Dumbledore said he would remove Brook as Prefect, dissolve the Slytherin Brotherhood Reserve Organization, and forbid ties between the Brotherhood and Hogwarts.
• Dumbledore asked Sean to tell Mr. Antonius that Nicholas wanted to meet him in person.

After Dumbledore used Sean’s disclosure about Professor Antonius to alert Snape, Snape demanded Sean finish his essay within a week. Dumbledore discussed how he planned to guide Sean and curb the Slytherin Brotherhood, while Sean later went to watch Gryffindor play Ravenclaw and found Luna beside him.

• Sean told Snape that Professor Antonius had been teaching him Alchemy, and Snape moved the essay deadline up to one week.
• Dumbledore told Phineas and Delores Derwent that Sean was talented and that he intended to guide him while letting him choose his own future.
• Dumbledore left for the Ministry of Magic, intending to use Sean’s situation to rein in the Slytherin Brotherhood.
• Sean reluctantly accompanied Blaise to watch the Gryffindor-versus-Ravenclaw Quidditch match and tried to rest in the Slytherin stands.
• Luna sat beside Sean, trembling in the cold, and asked whether he had come to cheer for Ravenclaw.

Sean watched Gryffindor defeat Ravenclaw, then told Antonius that Dumbledore wanted to meet him; Antonius agreed, and Sean later met Mallow in Hogsmeade to hear about their infiltration of a target’s inner circle.

• Sean gave Luna a magically transformed blue overcoat, and they watched the Quidditch match together with Blaise.
• Three disguised Dementors appeared during the match, but Harry drove them away with a Patronus; Gryffindor won, and Slytherin lost fifty points because of Malfoy and his companions.
• Sean told Antonius that Dumbledore wanted to meet him, and Antonius agreed to meet Dumbledore at a later time.
• Antonius asked Sean to retrieve more books from Gringotts for their next lesson, giving him the password “Magic Stone.”
• Sean secretly left Hogwarts, used Polyjuice Potion to disguise himself, and met Mallow at The Three Broomsticks.
• Mallow told Sean that their group had begun cooperating with a target whose forces had suffered heavy losses, but an unidentified masked Auror remained constantly at the target’s side.

Sean investigated the smuggling ringleader Howard and then confronted two Werewolves who followed him into the Shrieking Shack. After killing Iron Claw, Sean pursued the fleeing Silver Fang.

• Mallow told Sean that the smuggling ringleader was known as Boss Howard or Father Howard, and Sean ordered her to investigate Howard's possible aristocratic background and report any chance to seize control of him.
• Sean sensed someone watching him as he walked toward the Shrieking Shack, entered, and hid under a Disillusionment Charm.
• Iron Claw and Silver Fang entered the shack and discussed approaching their target, while Iron Claw admitted he wanted to eat human flesh.
• Silver Fang realized the person they had followed was hiding under a Disillusionment Charm, and Sean revealed himself with a Bombarda that blasted both Werewolves into the walls.
• Sean overpowered Iron Claw and snapped his neck, then picked up Iron Claw's corpse and chased after Silver Fang.