Chapter Summaries

Harry, Hermione, and Ron tried to warn Dumbledore that someone was seeking a way past the protections around the Philosopher’s Stone, but Snape caught them discussing it and threatened them. Meanwhile, Quirrell arranged to buy a dragon egg so he could get Hagrid drunk and learn how to get past the Three-Headed Dog.

• Harry told Hermione and Ron that Snape had pressured Quirrell to reveal how to bypass the Philosopher’s Stone’s safeguards.
• Hermione suggested writing to Dumbledore, and Snape overheard them and warned them against slandering a professor.
• Harry decided to send Dumbledore a letter about someone seeking information on the Stone’s protections, and Hermione wrote it.
• Harry, Ron, and Hermione encountered a sickly Quirrell on their way to the Owlery and gave him encouraging smiles.
• Quirrell planned to use a dragon egg to get Hagrid drunk and learn how to deal with the Three-Headed Dog, and he arranged to buy one from a smuggler.

Albert finished asking Professor Quirrell all the questions he had planned and celebrated by telling his friends he would stop bothering the unwell professor. He helped Fred, George, and Lee Jordan plan a prank on Malfoy, then headed to lunch intending to collect his Good Student quest reward.

• Albert told Fred, George, and Lee Jordan that he had finished asking Professor Quirrell questions and would leave him alone.
• Fred and George revealed that they had figured out how to use the Explosion Spell to blow up a toilet, and Albert warned them not to harm Malfoy.
• Albert suggested using fireworks and Bashu Beans to give Malfoy an unforgettable prank involving diarrhea.
• Fred, George, and Lee Jordan prepared to contact Slug & Jiggers Pharmacy about Bashu Beans while Albert went to the Great Hall for lunch.

Albert completed the Good Student quest and chose Voldemort's Spellcasting Technique from Quirrell's skills, then used experience points to raise it to level three. After practicing the technique, he told Isabelle he would teach it to her once he had mastered it.

• Albert found Katrina doing homework in the Room of Requirement and saw Isabelle sleeping in Ravenclaw's Private Library.
• Albert reviewed Quirrell's skills and chose Voldemort's Spellcasting Technique instead of Mastery of Basic Theory or Fiendfyre Curse.
• Albert spent experience points to raise Voldemort's Spellcasting Technique to level three and practiced a Transfiguration spell.
• Isabelle praised Albert's spellcasting and said he could win the Barnaby Finley Excellent Spellcasting Technique Award.
• Albert learned that Isabelle had taught herself Filius's Spellcasting Technique and promised to teach her Voldemort's technique once he mastered it.

Albert practiced Voldemort's Spellcasting Technique with Isabelle and discussed how skilled wizards developed their methods. At Hagrid's Hut, Harry renewed his suspicions about Snape and the Philosopher's Stone, but Hagrid remained confident that Hogwarts was safe.

• Albert and Isabelle compared spellcasting techniques, and Isabelle explained how she had recognized Albert's deliberate method and learned about Flitwick's and Rowena Smith's techniques.
• Albert visited Hagrid and advised him to tell Dumbledore about Harry's warning, adding that he also found Snape suspicious.
• Harry arrived with Ron and accused Snape of pressuring Quirrell to reveal how to bypass the protections around the Philosopher's Stone.
• Hagrid dismissed Harry's fears and assured him that no one could get past Fluffy or steal the Stone.
• Albert stopped Tom from eating a rat, while Harry argued that Hogwarts could be breached just as Gringotts had been.

Albert helped George get treatment after unprocessed Bashu Bean powder gave him diarrhea, then discovered that the same beans were used in anti-diarrheal potions only after alchemical processing. He left the twins to consider a different recipe if they wanted to sell a potion.

• Albert found George suffering from diarrhea after taking Bashu Bean powder and suggested blaming Peeves when seeking help.
• Fred and Lee Jordan took George to the Hospital Wing, where Madam Pomfrey cured him with an anti-diarrheal potion.
• Albert and the others found the potion recipe in Treating Common Magical Illnesses and learned that unprocessed Bashu Beans acted as a powerful laxative.
• Albert advised the twins to look for another recipe rather than try to process the beans themselves.

Higgs lost another Wizard Cards match to Izabel Macdougal, while Marcus Flint lured Kenneth Troller into an ambush and humiliated him in a bathroom. Flint then planned to target Albert Anderson and his friends, though Montague urged the Slytherins to gather more people and prepare carefully.

• Higgs conceded his Wizard Cards match to Izabel Macdougal and recognized her as Ravenclaw's genius.
• Montague questioned Higgs about Wizard Cards, and Higgs said the game was fun and offered a ten-Galleon prize.
• Marcus Flint provoked Kenneth Troller, then ambushed and defeated him in a third-floor bathroom.
• Flint shoved Kenneth Troller's head into a toilet, and Kenneth blamed Albert and the Weasley twins for misleading him.
• Flint said he planned to take revenge on Albert Anderson and his friends by gathering a group to attack them.
• Montague warned that Albert was formidable and advised the Slytherins to recruit more people and make a detailed plan.

After divining that Fred and George might be ambushed, Albert agreed to use themselves as bait to catch their attackers. The group let Montague overhear their plan, hoping he would try to outsmart them and set events in motion.

• George reported that Kenneth Troller had been found unconscious in a bathroom with his trousers removed, and Albert guessed Kenneth had tried to retaliate against Flint but been caught.
• Albert and his friends realized their enemies had prepared for the Disillusionment Charm and discussed ending the feud in one decisive encounter.
• During Crystal Ball Divination, Albert saw an attack involving many people and warned that Fred and George might be ambushed.
• Fred proposed using themselves as bait, and Albert agreed to the plan.
• After class, Albert and the others deliberately let Montague overhear their plan, expecting him to try to be clever.

Flint led a group of Slytherins to ambush Fred and George, but the Weasley twins and Albert turned the confrontation against them. Albert left the Slytherins unconscious in the bathroom, while Fred and George were also downed in the confusion.

• Montague told Flint that the Weasleys might be luring them into a trap, but Flint gathered Slytherins to ambush them anyway.
• Flint and Montague entered the boys' bathroom under Disillusionment Charms, where Fred and George stunned them after spotting their wet footprints.
• Perrigin Derrick and other Slytherins rushed in and overpowered Fred and George with a surprise attack from behind.
• Flint recovered and ordered the Slytherins to prepare an ambush for Albert while Montague threatened to drag Fred and George to a toilet.
• Albert threw a flash device into the bathroom, then rushed in and stunned Flint and the other Slytherins.

Albert and the others turned the tables on a group of Slytherins who had ambushed them in the boys’ washroom. They left the unconscious students with altered memories and laxatives, then removed the toilet paper before leaving.

• Albert found nine Slytherins unconscious in the washroom, freed Fred and George, and had Fred bring in two more unconscious boys from outside.
• Albert discovered Lee Jordan unconscious under a Disillusionment Charm and woke him with Rennervate.
• Albert used the Marauder’s Map to confirm that all nine Slytherins were accounted for, then erased the traces of the fight with Reparo.
• Albert gave Fred and George an extra-strength laxative and directed them to dose Montague while he altered Montague’s memories.
• Albert instructed the others to give the remaining Slytherins delayed laxative pills, leave them on the toilets, and remove all the toilet paper.

Albert, Fred, George, and Lee Jordan watched their laxative prank leave Flint, Montague, and other Slytherins with severe diarrhea and no toilet paper. Filch found Flint and Montague collapsed in the washroom and sent them to the Hospital Wing.

• Fred and George forced Flint to swallow Albert's laxative, then left his wand behind under an enchantment.
• Flint and Montague suffered relentless diarrhea and discovered there was almost no toilet paper left in the washroom.
• Pore's stomach began rumbling in the library, and he hurried to the fifth-floor washroom as Albert and the others watched.
• Albert's group separated to avoid causing a commotion while similar bouts of diarrhea struck other victims.
• Filch discovered Flint and Montague collapsed in the washroom and sent them separately to the Hospital Wing.

Quirrell struggled with his failing health and his plan to steal the Philosopher’s Stone while worrying that Harry and Snape might expose him. After learning that his dragon egg had been secured, he was struck by severe stomach trouble and sought a discreet remedy from Madam Pomfrey.

• Quirrell considered hunting a Unicorn for its blood but feared the curse it would bring, while Voldemort pressed him to obtain the Philosopher’s Stone.
• Quirrell worried that Snape might reveal Voldemort’s condition to Dumbledore and that Harry had noticed his actions near the restricted corridor.
• Quirrell received word that a smuggler had secured the dragon egg he needed to get past Hagrid’s Three-Headed Dog.
• Quirrell developed stomach trouble, rushed to the Boys’ Lavatory, and then asked Madam Pomfrey for anti-diarrheal potion without letting her examine him.
• Quirrell saw Flint and Montague recovering in the Hospital Wing after suffering severe diarrhea.

Quirrell escaped Madam Pomfrey’s attempt to examine him and continued planning to steal the Philosopher’s Stone by tricking Hagrid into revealing how to get past the Three-Headed Dog. Albert, meanwhile, used Peeves to poison Quirrell’s food and slow his plans, while the wider diarrhoea outbreak drew Snape’s attention away from him.

• Quirrell used a Confundus Charm to escape Madam Pomfrey’s examination, then vowed to avoid the Hospital Wing.
• Quirrell planned to obtain a dragon egg and use it to get Hagrid drunk and reveal how to subdue the Three-Headed Dog.
• Quirrell overheard Malfoy and other Slytherins suspecting a conspiracy against their house, unaware that Albert was deliberately targeting him.
• Albert had asked Peeves to add Bashu Bean powder to Quirrell’s food after receiving a quest to protect the Philosopher’s Stone, increasing his quest progress by two percent.
• The diarrhoea outbreak occupied Snape and ended with Peeves taking the blame, while Hogwarts students grew wary of their food and Flint and Montague remained in the Hospital Wing.

Albert discussed the Weasley twins’ new escape-candy idea and planned an Easter break-in at the fourth-floor restricted corridor. Hermione Granger then asked to speak with him alone, leaving Albert to follow her away from breakfast.

• Albert woke late and learned Fred and George had developed Quick Escape Candy but needed an ingredient that could cause a fever.
• Albert advised Fred and George to research magical plants and creatures, then agreed to break into the fourth-floor restricted corridor at Easter.
• Albert watched Professor Quirrell looking pleased and wondered whether he had obtained a dragon egg to bribe Hagrid.
• Hermione Granger approached Albert and asked to discuss something with him alone, so he left his dormmates and went with her.

Hermione confronted Albert after deducing that he and Fred, George, and Lee Jordan had created the ALFG initials on the treasure maps and Philosopher’s Stone formula. Albert explained why he had revealed the answer and asked Hermione to keep secret that he knew Nicolas Flamel; she promised, while Harry and Ron still suspected Snape of pursuing the stone.

• Hermione pieced together that ALFG referred to Albert, Fred, George, and Lee Jordan, using their treasure maps, the French formula, and Albert’s correspondence with famous wizards.
• Albert confirmed Hermione’s deduction and explained that he and his friends had made the maps and buried small treasures as a school prank.
• Albert said he had revealed the Philosopher’s Stone’s identity because he suspected Hermione, Harry, and Ron were investigating it and wanted to prevent them from causing trouble.
• Hermione told Albert that Harry suspected Snape was after the stone because he had seen Snape press Professor Quirrell about its protections.
• Albert admitted that he knew Nicolas Flamel and asked Hermione not to tell anyone; Hermione promised to keep the secret.

Quirrell bought a Norwegian Ridgeback dragon egg from the smuggler Jack at the Hog's Head Pub, then followed him and robbed him. After killing Jack and hiding the evidence, Quirrell revealed himself as Hogwarts's Defense Against the Dark Arts Professor.

• A cloaked buyer met Jack at the Hog's Head Pub and paid him for a Norwegian Ridgeback dragon egg.
• Jack left the pub with his Galleons and was followed by wizards hoping to rob him.
• After escaping the would-be robbers, Jack was struck by a spell from the cloaked buyer.
• Quirrell killed Jack, reclaimed his Galleons, transformed the body into stone, and buried it.
• Quirrell destroyed Jack's wand and left after his Polyjuice Potion wore off.

Albert read that the Ministry was searching for Jack, a wizard who had smuggled dragon eggs into England, and suspected Quirrell had already obtained the egg he would use to trick Hagrid. Meanwhile, the students studied together, and Fred and George began looking into Murtlaps for a joke product.

• Albert read Rita Skeeter's report about the missing wizard Jack and suspected Quirrell had the dragon egg.
• Albert invited Fred and George to join the Gryffindor study group, but they slipped away after breakfast.
• Fred and George found a book about Murtlaps and considered using their effects to make a joke item.
• Albert suggested the twins ask Mundungus Fletcher for Murtlap ingredients instead of buying an entire creature.
• Mundungus caught two Murtlaps, then reluctantly sold the twins a pile of Murtlap incisors after they refused to buy the creatures.

Albert decided to use his apparent prophetic abilities to warn Hagrid about the dragon egg and the danger of raising a dragon. He left Hagrid wondering whether the prophecy was real, while Hermione questioned Albert’s claims.

• Albert decided to tell Hagrid that he would soon obtain and raise a dragon, hoping to use the incident for his own benefit.
• Hermione joined Albert on his way to Hagrid’s Hut after becoming curious about his visit.
• Albert told Hagrid that he had dreamed of Hagrid raising a dragon in the hut, which would later catch fire with Fang inside.
• Albert claimed the dream was a prophecy and warned Hagrid that the Forbidden Forest was not safe.
• Albert left Hagrid confused and told Hermione that raising a dragon would be disastrous because wizards were not allowed to keep them.

Hagrid anxiously awaited the chance to obtain a dragon egg while Quirrell watched for him to leave Hogwarts, growing weaker as he waited. Hermione reassured Harry and Ron that Dumbledore likely knew about the threat to the Philosopher’s Stone, and the Wizard Cards tournament ended with Isabelle’s victory before Snape took Quirrell aside to talk.

• Hagrid grew anxious over the prospect of getting a dragon egg, while Quirrell secretly watched for him to leave Hogwarts and considered hunting unicorns as a last resort.
• Hermione told Harry and Ron she believed Dumbledore knew someone might try to steal the Philosopher’s Stone and suggested Albert might know how to subdue Fluffy.
• Hermione lost to Truman in the Wizard Cards quarterfinals, while Shanna was eliminated by Isabelle in the semifinals.
• Isabelle defeated Truman three games to none and won the Wizard Cards tournament, then credited Albert with teaching her how to play.
• Snape approached Quirrell outside the Great Hall and asked to talk, and Harry tried to follow them but was spotted by Snape.

Albert helped Harry, Ron, and Hermione interrupt Snape's pressure on Professor Quirrell with a noisy joke item, then discussed his involvement with Isabelle. The trio escaped unnoticed, while Snape discovered the Bait Mouse and was covered in black powder.

• Hermione and Ron found Harry spying on Snape and Professor Quirrell, and Harry said they needed to help Quirrell.
• Albert stopped Harry from rushing into the classroom and gave him a Bait Mouse that would make a loud noise and smoke.
• Hermione set off the Bait Mouse, and she, Harry, and Ron fled when it disrupted Snape and Quirrell's discussion.
• Snape found the damaged Bait Mouse, which exploded and covered him in black powder; Harry, Ron, and Hermione laughed at the result.
• Albert checked that his Helping Hand task was 1/5 complete and told Isabelle he had knowingly caused Snape trouble.
• Isabelle warned Albert that Harry Potter brought danger, then asked for a reward for winning the Wizard Cards tournament, and Albert's mouth was sealed before he could answer.

Albert dealt with renewed gossip about his romantic life, helped Fred and George after their potion test went wrong, and received research notes on advanced magic. He left the chapter considering whether he could use Gubraithian Fire techniques to improve his magic lamp and eventually create a Philosopher’s Stone.

• Lee Jordan told Albert that girls were asking whether he had a girlfriend, and Albert jokingly claimed he was dating Isabelle.
• Fred vomited after testing a potion, so George and Lee Jordan took him to the Hospital Wing while Albert kept George’s notebook.
• Albert went to the library, where Harry asked about buying the item from last time, and Albert refused.
• Isabelle gave Albert three sheets of parchment from Mr. Brode, including research on the Patronus Charm and Gubraithian Fire.
• Albert studied the notes and considered using Gubraithian Fire to improve his magic lamp and pursue the possibility of creating a Philosopher’s Stone.