At least some content in this article is derived from information featured in Harry Potter: Hogwarts Mystery. Spoilers will be present within the article.
It was invented by Badeea Ali in the 1989–1990 school year at Hogwarts School of Witchcraft and Wizardry, after Ben Copper asked her to invent a more powerful variation of the Knockback Jinx. After the spell was finished, Badeea Ali taught Jacob's sibling and Merula Snyde how to cast it.
- Harry Potter: Hogwarts Mystery (First appearance)