Specialis Revelio (speh-see-AH-LIS reh-VEL-ee-oh)
Tap target with wand
Reveals anything hidden by magical means
- Hermione Granger used this spell on the Half-Blood Prince's copy of Advanced Potion-Making.
- It was also used during a sixth year Potions class, to reveal the ingredients of a poison.
Latin specialis, "particular; individual" and revelare (present tense revelo), "unveil". Altogether the incantation may read as "[to] reveal the particulars [of]".