Vol. 4The Diadem and the Stone
Albert exposed Rowena Smith, helped Dumbledore destroy Ravenclaw’s Diadem, and uncovered family secrets while advancing his magical projects and relationship with Isabelle. As Harry began pursuing the secret beneath the Three-Headed Dog, Quirrell and Snape also moved toward it.
- Albert and Isabelle escaped Rowena Smith’s murder plot, defeated him, and rescued Katrina as Hogwarts learned that Smith and his family had vanished.
- Kenneth Troller sold Albert’s Wit-Sharpening Potion on the black market, and after a student was poisoned, Dumbledore investigated Albert’s letter about a whispering diadem.
- Dumbledore learned from The Grey Lady that the diadem was a Horcrux and destroyed it while Albert kept the discovery secret.
- Albert agreed to inherit the Will de Smith surname after Mr. Brode explained the family history and showed him Brel Bosted’s book.
- Albert visited Nicolas and Perenal LeMay to discuss alchemy, the Philosopher’s Stone, and Ravenclaw’s Diadem, then returned to Hogwarts with a Time-Turner.
- Albert investigated the secret beneath the forbidden corridor and launched a Wizard Cards club after Harry became Gryffindor’s Seeker.
- Albert began dating Isabelle, advanced his Wizard Cards and magical communication projects, and helped Hermione make friends.
- Harry and Ron pursued a treasure hunt connected to the Three-Headed Dog while Quirrell sought the guarded secret and Snape was bitten by the dog.