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 her sixth-years how to perform this particular transforming spell in Transfiguration class.
- Harry Potter: Hogwarts Mystery (First appearance)
Notes and references
- Harry Potter: Hogwarts Mystery, Year 6, Chapter 23 (A Brilliant Surprise) - Transfiguration Lesson "Flobberworm to Fritter"