[Harry Potter/Four Founders/Frostcup] Patronus

Original works: How to Train Your Dragon, Rise of the Guardians, Brave, Tangled Pairing: Jack Frost x Hiccup / Frostcup / Hijack Exchange students, transfer students, international students, and a Triwizard Tournament where they can finally team up and compete. Hogwarts AU, with cameos from characters from various works. This is a pitfall, so jump in at your own risk.