Chapter Summaries

Sean used a powerful Alchemy Array to create a prototype device that could store spells, hoping to develop a stable way for Squibs to use magic. He explained that he wanted to help his Squib parents and others like them cast spells through alchemical items.

• Sean prepared a Double Layered Great Fire Hexagram Array while Antonius and Nicolas Flamel watched.
• Sean used the array to fuse twelve materials into four nested rings and a fiery-red crystal bound inside them.
• Antonius and Nicolas Flamel examined the finished prototype and recognized it as a dangerous one-use alchemical item.
• Sean explained that the device could bind spells and, if stabilized, allow them to be drawn out and used through an alchemical device.
• Sean told Nicolas Flamel that he hoped to create a reliable way for his Squib parents and other Squibs to use magic.

Sean continued his research into Life Alchemy, learned why Nicolas Flamel hoped he could give Liza a will of her own, and completed his finals. The Golden Cauldron prepared to announce Sean's cheaper, easier-to-brew New Wolfsbane Potion while warning that its distribution would need strict control.

• Sean told Antonius he understood the danger of revealing his work on giving Squibs magic and would keep it secret until he could protect himself.
• Nicolas Flamel explained that he had come to Hogwarts hoping Sean would complete Life Alchemy and give Liza true life, since the Philosopher's Stone could not create life.
• Hermione and Catherine challenged each other over their exam rankings, while both expected Sean to place second.
• Sean finished his exams, took a week off after completing and submitting his paper, then returned to studying Alchemy.
• The Golden Cauldron's editor-in-chief ordered Sean's improved Wolfsbane Potion paper onto the front page and urged strict control of the potion's distribution.

Ministry of Magic Auror Delish tried to force Sean Bulstrode into unfavorable terms for cooperating on the New Wolfsbane Potion. Sean rejected the deal and challenged Delish’s authority, leaving the Ministry’s response to his conduct unresolved.

• Ministry officials, including Aurors Delish and Williamson and professors Snape and McGonagall, met Sean at Hogwarts to discuss cooperation over the New Wolfsbane Potion.
• Delish handed Sean terms that disregarded the benefits previously discussed through Gavin and ordered him to sign them.
• Sean threw the parchment to the floor and accused Delish of being a self-important fool.
• Delish demanded that Sean show respect for a Ministry Auror, but Sean questioned whether the Ministry had authorized Delish to handle the deal and warned that officials might punish him.

After placing first in his year, Sean was summoned to meet Ministry officials about the New Wolfsbane Potion. The Ministry apologized for its earlier conduct and offered him a Wizengamot reserve seat, and Sean agreed to cooperate.

• Delish watched Sean leave Hogwarts with Snape and McGonagall and planned to report the matter to the Ministry.
• Blaise told Sean that he had placed first in the year, ahead of Hermione and Catherine.
• Sean focused on his Alchemy studies and Transfiguration thesis after finishing most of his research on the New Wolfsbane Potion.
• Madam Pince told Sean that Dumbledore wanted to see him in the Headmaster's Office.
• Rufus Scrimgeour apologized for the Ministry's earlier mistake and offered Sean a Wizengamot reserve position, which Sean accepted.

Sean met with Dumbledore after Rufus Scrimgeour left Hogwarts, and decided he could cooperate with Dumbledore while keeping his own boundaries. Sean warned him that Rufus would be tortured to death by the Death Eaters after Voldemort returned.

• Rufus Scrimgeour left Hogwarts, determined to catch the Auror secretly working beside Boss Howard.
• Dumbledore welcomed Sean’s appointment as an alternate member of the Wizengamot and praised Rufus Scrimgeour’s abilities.
• Sean considered the risks of cooperating with Dumbledore, but concluded that he could do so while guarding against becoming one of Dumbledore’s sacrifices.
• Sean told Dumbledore that he had seen Rufus Scrimgeour die under Death Eater torture in Spiritual Vision, about a year after Dumbledore and Harry left to search for something.
• Dumbledore asked whether the Death Eaters had returned before Rufus died, and Sean used the warning to prepare him for Voldemort’s eventual resurrection.

Sean prepared to travel to Castelobruxo in Brazil for a month-long exchange program and said goodbye to Antonius before leaving Hogwarts. He arrived at the Brazilian Ministry of Magic with Janson and Aldrich, where a staff member welcomed them.

• Janson told Sean that Mr. Bulstrode had arranged official travel to Castelobruxo through the Ministry of Magic, and Sean wrote to his parents about the trip.
• Sean brought Antonius about a hundred books and magazines to read during the holiday, then discussed Castelobruxo and its alchemy books, plants, and scenery with him.
• Sean and Janson left Hogwarts by train the next morning and met Aldrich at King's Cross Station.
• Aldrich escorted Sean and Janson to the Portkey Office, where the three used Tongue-Twisting Beans and traveled to Brazil.
• A Brazilian Ministry of Magic staff member welcomed Sean, Janson, and Aldrich to the Ministry's plant-filled indoor greenhouse.

Sean Bulstrode, Aldrich, and Janson traveled from the Brazilian Ministry of Magic to Castelobruxo for an academic exchange. After a disastrous ride, they met a professor at the school gates and discovered a vast golden castle within the seemingly overgrown ruins.

• A Brazilian Ministry employee verified Aldrich's travel authorization and gave Sean and his companions official identities.
• Aldrich found a limousine to Castelobruxo, and the young driver welcomed the trio aboard.
• The magical limousine sped wildly through the city and countryside, leaving Sean shaken, Aldrich aching, and Janson barely conscious.
• A dark-skinned professor greeted them as Mr. Bulstrode's party, while Aldrich called Janson a follower and led Sean toward the school.
• Sean and Janson followed Aldrich through Castelobruxo's gates and saw a golden-brick castle surrounded by plants and fantastic beasts.

Sean arrived at Castelobruxo as an exchange student and agreed to take its final exams, aiming for a top-three finish and possibly first place. As he settled in and drew the curiosity of the students, Fleur decided to join him in Brazil for an exchange program.

• Remy Lehman welcomed Sean, Aldrich, and their companion to Castelobruxo, explained the school and its Caipora guardians, and offered Sean a pass and a place in the final exams.
• Sean accepted Remy Lehman's offer after learning that even tenth place would earn Felix Felicis, and he planned to study Castelobruxo's third-year textbooks before the exams began in three days.
• A Castelobruxo student delivered Sean's exam schedule, and Sean settled into a shared suite with separate bedrooms for himself and the other two.
• Sean and his companions ate in the dining hall, where students discussed his Hogwarts standing and speculated about how he would perform in their exams.
• Fleur received Sean's letter, learned he was going to Castelobruxo, and decided to travel to Brazil for an exchange program.

Sean and his companions learned that magical creatures near Castelobruxo were changing and becoming dangerous, including a Thunderbird that had badly injured three students. Sean suspected the upheaval was connected to Kulkan’s return to South America, while the sleeping creature remained in his arms.

• After lunch, Sean, Aldrich, and Janson saw professors bring in three students wounded by a Thunderbird near the school forest.
• Sean overheard students say the Thunderbird had attacked the students and that the professors planned to find its nest and ambush it.
• A young professor warned students that magical creatures across the jungle were behaving strangely, including an Augurey in the North Forest.
• The professor urged third-years to work hard for their upcoming exams because Sean, Hogwarts’ top student, would be competing.
• Sean told Aldrich and Janson what he had heard, then suspected the creatures’ changes were connected to Kulkan’s return as he stroked the sleeping creature.

Sean studied Castelobruxo’s third-year textbooks while preparing for the final exams, then reunited with Fleur, who had come to the school for an exchange program after hearing he was there. The chapter left Sean in bed as Kulkan woke and asked him for food.

• Sean summoned a pixie at Castelobruxo’s library and chose Alchemy, Arithmancy, and Ancient Runes as his electives for the exams.
• Sean planned to study the required subjects, focusing on Herbology and Care of Magical Creatures, and requested earlier History of Magic textbooks to learn about Brazil’s Magical World.
• Sean encountered Fleur near the golden fountain, and she told him she had come for an exchange program after hearing he was at Castelobruxo.
• Sean, Aldrich, and Janson talked with Fleur before escorting her back to her dormitory.
• Kulkan woke beside Sean’s pillow and asked him for something to eat.

Sean took Kulkan into the jungle near Castelobruxo to feed her growing hunger, and she hunted several magical creatures before returning with him to the dormitory. Afterward, a Thunderbird searched the area where Kulkan had hunted but found nothing and flew away.

• Sean brought Kulkan into the forest under a Disillusionment Charm after she warned that she was close to losing control from hunger.
• Kulkan hunted down and swallowed a Nogtail, but said that one three-star magical creature was not enough to fill her.
• Kulkan followed the scent of more Nogtails and ate three of them and two male wild boars before falling asleep in Sean's arms.
• Sean returned to his dormitory, and a Thunderbird searched the hunting ground amid a storm before flying away empty-handed.

Sean prepared for and took Castelobruxo’s final exams, confident that his Potions knowledge would earn him full marks. After the exams ended, he predicted he would place in the top five, aiming for the top three, and the students around him fell silent.

• Sean and Fleur discussed reports that magical creatures near Castelobruxo had grown dangerous, including the Augureys and a wild Fire Dragon.
• Sean went to the library with Aldrich and Janson to study for Castelobruxo’s exams while Fleur visited the magical creatures.
• A professor warned the third-year students that Sean had published five papers in The Golden Cauldron, then encouraged them to aim for perfect scores as the Potions exam began.
• Sean completed Castelobruxo’s nine exams over three days and felt confident he had performed well.
• Fleur, Aldrich, and Janson asked Sean how he had done, and he predicted a top-five finish while aiming for the top three, leaving the nearby students silent.

Sean Bulstrode earned the highest total score on Castelobruxo’s exams, but the director decided he could not officially be placed first because he was a recent Hogwarts arrival. Sean accepted second place in exchange for the rewards for first, second, and third, and Sister Lei brought him the prizes.

• Sean studied Castelobruxo’s distinctive Alchemy books in the library while students awaited the exam results.
• The director told Sister Lei that Sean had scored O grades in every subject except Care of Magical Creatures, where he received an E, and earned perfect marks in four subjects to place first by total score.
• The director said Sean could not officially rank first and asked Sister Lei to offer him all three ranking rewards if he accepted second place.
• Sean agreed, explaining that a Hogwarts student arriving only days earlier taking first place would undermine confidence in Castelobruxo’s teaching.
• Sister Lei returned with the rewards: an enormous Undetectable Extension Charm bag and thirty drops of Felix Felicis; the first-place reward was left unrevealed.

After accepting second place in exchange for an Alchemical Puppet, Sean stayed at Castelobruxo as the jungle crisis worsened. When Kulkan sensed something calling to her from the jungle, Sean took her there.

• Sister Lei delivered Sean his prizes, including a Doberman-shaped Alchemical Puppet, and he continued studying in the library.
• Correa suspected his first-place score had been inflated, while Fleur realized Sean had given up the top rank for compensation and agreed to keep it secret.
• As professors and Brazilian Ministry Aurors investigated the jungle, the school went into lockdown and Sean decided to remain because his goal lay there.
• A storm revealed a massive bird in the clouds, and the Augurey broke free and plunged into the jungle after knocking Aurors aside.
• Kulkan said the time had come and asked Sean to take her into the jungle, so Sean left through the window with her.

Sean reached the Mayan Pyramid and found powerful magical creatures gathering to challenge the Thunderbird for the thing inside. The creatures overwhelmed the Thunderbird, and the Re'em charged at its belly as the battle continued.

• Sean raced through the forest with Kulkan and confirmed that the Mayan Pyramid was drawing magical creatures to it.
• The Thunderbird struck down the Augurey, but the wounded creature stayed near the pyramid as other magical creatures emerged.
• A wild Fire Dragon arrived and began fighting the Mountain Dragon while the other creatures joined forces against the Thunderbird.
• The Thunderbird blasted the Nundu away, sent the Bat-Winged Serpent flying, and tore feathers from the Griffin's wing.
• The Augurey seized the Thunderbird from behind, expanded, and forced it down onto the pyramid as the Re'em charged at its belly.

Sean tried to enter the Mayan Pyramid while the wizards fought nine hostile magical creatures, but the pyramid's Full Moon light dispelled his Disillusionment Charm and exposed him. After defeating the Bat-Winged Serpent and knocking out the Nundu, Sean rushed inside, with the Thunderbird pursuing him.

• Sean waited for the Brazilian Ministry of Magic Aurors and Castelobruxo professors to attack the magical creatures before approaching the pyramid under a Disillusionment Charm.
• Full Moon light activated glowing Ancient Runes on the pyramid and dispelled Sean's concealment, drawing the attention of the wizards and creatures.
• The Bat-Winged Serpent enveloped Sean, but Sean drove it back with a Patronus Charm.
• Sean seized the charging Nundu, slammed it against the pyramid wall until it fainted, and gained new abilities from defeating it.
• Sean dodged the Chimera's snake-tail bite and rushed into the pyramid, while a lightning strike knocked the Chimera unconscious.
• The Thunderbird flew into the pyramid after Sean.

Sean and Kulkan seized the awakened spine bone while the magical creatures fought over it, then used their powers to defeat the remaining rivals. They prepared to escape before the wizards outside sealed off the pyramid.

• The Thunderbird found the awakened spine bone, but the Augurey, Mountain Dragon, and Griffin crashed into the chamber and blocked its path.
• The six wizards outside saw the dead and injured creatures and sent signals to summon help and seal off the area.
• Sean told Kulkan to act, and Kulkan crept down the wall while Sean waited for an opening.
• The Thunderbird, Augurey, and Mountain Dragon fought over the spine bone until Kulkan snatched it and swallowed it.
• Sean froze the pyramid with Frost Domain and petrified the Mountain Dragon with Snake King Eyes, then used the Pure White Pocket Watch to restore his strength.
• Kulkan swallowed the Augurey and Thunderbird before returning to Sean, who urged it to hurry before the wizards completed their seal.

Sean returned to the dormitory with the sleeping Kulkan and discovered that victories over the Mountain Dragon, Augurey, and Thunderbird had granted him new abilities. The Brazilian Ministry of Magic suspected a dangerous Basilisk variant had appeared at the Mayan Pyramid and reported it to the International Confederation of Wizards.

• Sean carried the exhausted Kulkan back to the dormitory, where Aldrich and Janson had waited for him.
• Sean’s panel upgraded Snake King Scales and Snake King Body after extracting abilities from the Mountain Dragon and Augurey, and gave him the ability to grow and shrink.
• Sean gained Gale and Rain and Thunderbolt from the Thunderbird, abilities he could use in his Animagus forms.
• Castelobruxo students recounted how Aurors found the Mountain Dragon petrified and the Augurey and Thunderbird missing at the Mayan Pyramid.
• The Brazilian Ministry of Magic suspected a dangerous Basilisk variant had petrified the Mountain Dragon and devoured the missing creatures, then reported it to the International Confederation of Wizards.

After returning from Brazil, Sean helped care for his fussy younger brother Cesar and encouraged his parents to take a date. As the school term approached, Sean set aside his search for Ravenclaw’s suspected treasure, until Gavin invited the family to dinner at Bulstrode Manor.

• Sean invited Fleur to visit the United Kingdom, but she declined because she needed to return to France for special training before the Triwizard Tournament.
• Sean and Fleur parted at the Brazilian Ministry of Magic and returned to their respective countries by Portkey.
• Sean returned home and found Cesar crying, but Cesar calmed down and fell asleep as soon as Sean held him.
• Sean offered to look after Cesar so Martha and Yad could go on a date, and they accepted.
• Sean postponed searching for the treasure in Lockhart’s memories and spent the remainder of the holiday with his family.
• Gavin invited Sean’s family of four to dinner at Bulstrode Manor.

Dumbledore suspected Sean had acquired Slytherin’s true treasure after hearing of a mutant Basilisk’s destructive rampage in Brazil, and asked Snape to guide Sean. At Bulstrode Manor, Sean warned Gavin that Death Eaters would attack the Quidditch World Cup, leaving Gavin concerned about the vision.

• Dumbledore told Snape that a mutant Basilisk had petrified and killed magical creatures near Castelobruxo, and suggested Sean had been responsible.
• Snape defended Sean, while Dumbledore asked him to guide the boy and suggested Sean’s Animagus form had been altered by Slytherin’s Treasure.
• At Bulstrode Manor, Gavin praised Sean’s actions at Castelobruxo and offered to get tickets to the Quidditch World Cup.
• Sean declined, warning Gavin that he had seen Death Eaters tormenting people beneath the Dark Mark at the tournament.
• Sean told Gavin that his vision had come through a friend he had touched, and Gavin asked what had triggered it.