At least some content in this article is derived from information featured in Harry Potter: Hogwarts Mystery. Spoilers will be present within the article.
Ron Weasley found this charm while helping his friend Harry Potter look for a way to get through the Second Task of the 1994 Triwizard Tournament, but decided against using it, as it would be ineffective against the Black Lake.
- Harry Potter and the Goblet of Fire (First mentioned)
- Pottermore (Mentioned only)
- Harry Potter: Hogwarts Mystery (First appearance)