At least some content in this article is derived from information featured in Harry Potter: Hogwarts Mystery. Spoilers will be present within the article.
|Gertie Keddle||1100s||Gertie Keddle used this hex when a man playing an early form of Quidditch came to her garden to retrieve his ball.|
|Unknown||1754||Torquil McTavish had this spell used on him during a broom race.|
|August, 1877||Angelus Peel had this spell used on him in the Tournament that Nobody Remembers|
|Merula Snyde||1986-1987 School Year||Merula mentioned learning the Knee-Reversal Hex in the Great Hall during her fourth year.|
- Quidditch Through the Ages (First mentioned)
- Wonderbook: Book of Spells (First appearance)
- Harry Potter: Hogwarts Mystery (Mentioned only)