At least some content in this article is derived from information featured in Harry Potter: Hogwarts Mystery. Spoilers will be present within the article.
|"I show not your face but your heart's desire."|
During the 1988–1989 school year, Professor Minerva McGonagall taught her fifth year Transfiguration students how to perform this spell, in preparation for their O.W.L.s that academic year, at Hogwarts School of Witchcraft and Wizardry.
- Harry Potter: Hogwarts Mystery (First appearance)
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