Revelio Charm

The Revelio Charm (Revelio) is a charm used to reveal concealed objects, messages, invisible things, and passages. It was considered difficult for a second year student.

It may also be used to reveal the true appearance of someone who changed their appearance with a spell.

Known uses

 * On 7 December, 1926, Newton Scamander used this spell on Percival Graves, revealing that he was actually Gellert Grindelwald who had assumed Graves' appearance using Human transfiguration.
 * Jacob's sibling was taught this spell in his or her second year in 1985-1986, and used it to untransifigure a cauldron into a cat and later to reveal the Vanishing Stairs.

Known practitioners

 * Draco Malfoy
 * Harry Potter
 * Remus Lupin
 * Sirius Black
 * Luna Lovegood
 * Minerva McGonagall
 * Newton Scamander
 * Jacob's sibling

Behind the Scenes

 * This spell is described as a transfiguration in Hogwarts Mystery, which is also supported by Newton Scamander's use as an  Untransfiguration. It's why it is caled a charm.

Appearances

 * Fantastic Beasts and Where to Find Them (film)
 * Fantastic Beasts and Where to Find Them (film)
 * Fantastic Beasts and Where to Find Them (film)
 * Fantastic Beasts and Where to Find Them (film)

Notes and references
Revelio Sortilège de Revelio