The big five: At Hogwarts

Elsa Arendelle is just about to start her sixth year at Hogwarts School of Witchcraft and Wizardry. But what she did not know was how everything would change because of one slight little mistake. Elsa and her friends; Rapunzel, Merida, Hiccup and Jack, would have to face the greatest danger these teenagers had ever faced. And what about Anna, Elsa's baby sister who she cared so much for, would Elsa be able to hide Anna from the dark side of magic?