Arc 8The House Cup and New Paths
Isaac led the Honey Badger Squad through the final challenges and secured Hufflepuff’s House Cup victory, while Vinda Rosier took the Sorcerer's Stone to Grindelwald. During the holiday break, Isaac helped Percy consider a Ministry career and reunited with Sirius, who wanted to advocate for Werewolves through the Ministry.
- Isaac led the Honey Badger Squad into the fourth-floor Chamber of Secrets, where they overcame Slytherin interference, won a Wizard’s Chess match, brewed the required potion, and passed the Mirror of Erised challenge.
- Isaac retrieved the Sorcerer's Stone from the mirror and tossed it to Vinda Rosier, who took it to Nurmengard for Grindelwald’s followers.
- Hufflepuff won the House Cup with 762 points, and Dumbledore told Isaac that he would advise Fudge at the Ministry and needed a new Defense Against the Dark Arts professor.
- Isaac promised to find candidates for the teaching post, considered Grindelwald’s Acolytes, reunited with Fawkes, and saw the Honey Badger Squad excel in their exams as Hawthorne secured a paid assistant gamekeeper role.
- Isaac advised Percy on Ministry politics and career prospects, explaining Arthur’s authority and helping Percy consider work in the Office of Oddities.
- Sirius invited Isaac and Percy to his home, where he described Arthur’s influence and the Ministry’s treatment of Werewolves.
- Percy rejected a career tied to Fudge and decided to pursue better opportunities and living conditions for Werewolves, while Isaac encouraged him to discuss his plans with Mr. Weasley.
- Sirius revealed that he wanted to join the Ministry and help Lupin, but Isaac said Sirius could not work in the Office of Oddities and noted that something about him was badly wrong.