At least some content in this article is derived from information featured in Harry Potter: Hogwarts Mystery. Spoilers will be present within the article.
During the 1989–1990 school year at Hogwarts School of Witchcraft and Wizardry, Professor Minerva McGonagall taught this spell to her sixth year students in Transfiguration class as part of their N.E.W.T.-level curriculum.
- Harry Potter: Hogwarts Mystery (First appearance)
Notes and references
- Harry Potter: Hogwarts Mystery, Year 6, Chapter 38 (Meeting the Merqueen) - Transfiguration Lesson "Fairy Cakes to Fairies"