At least some content in this article is derived from information featured in Harry Potter: Hogwarts Mystery. Spoilers will be present within the article.
In the 1984–1985 school year, Jacob's sibling learned this spell in order to help Rolanda Hooch so she could attend Rubeus Hagrid's birthday party. As Hooch was too busy to teach them, they went to learn the charm from Filius Flitwick.
- Harry Potter and the Prisoner of Azkaban (First mentioned)
- Harry Potter: Hogwarts Mystery (First appearance)