At least some content in this article is derived from information featured in Harry Potter: Hogwarts Mystery. Spoilers will be present within the article.
The Vault of Ice was a secret room at the end of the Vanished Stairs, hidden by a wall on the fifth floor at Hogwarts School of Witchcraft and Wizardry, and is one of the five fabled Cursed Vaults that was said to have housed treasures and prophecies from before the time of the four founders of the school. If tampered with, this vault would unleash cursed ice that would encase all in its path.
- Harry Potter: Hogwarts Mystery (First appearance)