At least some content in this article is derived from information featured in Harry Potter: Hogwarts Mystery. Spoilers will be present within the article.
Thimble to Thestral (incantation unknown) was a transforming spell that transformed thimbles into Thestrals. In June 1989, this spell was mentioned on the written exam of the Transfiguration Ordinary Wizarding Level.
- Harry Potter: Hogwarts Mystery (First mentioned)
Notes and references
- Harry Potter: Hogwarts Mystery, Year 5, "Ordinary Wizarding Levels" Achievement