Arc 2The Diadem and Harry
Isaac revealed Voldemort’s return to Dumbledore, helped destroy the Dark Lord’s spirit, and later led Vinda Rosier to destroy Ravenclaw’s Diadem Horcrux. After retrieving the Sorcerer’s Stone from Gringotts, Isaac and Vinda visited Harry and the Dursleys to introduce him to the Wizarding World.
- Isaac told Dumbledore that Voldemort was hiding on Quirrell’s head, and Dumbledore confronted and destroyed Quirrell and Voldemort’s wandering spirit.
- Isaac watched Dumbledore’s Pensieve memory, learned about Horcruxes, and saw a limited vision of Voldemort’s hidden soul fragments.
- Fudge awarded Isaac the Order of Merlin, Second Class and 1,000 Galleons, while McGonagall protected him from Umbridge’s attempt to send him home.
- Isaac met the Heads of House, wrote papers about his magic, and told McGonagall that Quirrell had carried Voldemort back from Albania.
- Vinda Rosier joined Hogwarts as Defense Against the Dark Arts professor, and Isaac led her to the Room of Hidden Things to destroy Ravenclaw’s Diadem Horcrux with Fiendfyre.
- Isaac showed Dumbledore the ruined Diadem and drew Gryffindor’s sword from the Sorting Hat before agreeing to retrieve the Sorcerer’s Stone with Hagrid.
- Isaac and Hagrid took the Sorcerer’s Stone from Gringotts, then Isaac and Vinda used Fawkes to travel to the Dursleys’ home and meet Harry.
- Isaac told the Dursleys that Dumbledore had sent him to introduce Harry to the Wizarding World, warned them about the dangers of suppressing magic, and explained that Harry would be watched by wizards.