The Vanishing Spell[2] (Evanesco)[1] was a Transfiguration spell used to vanish both animate and inanimate objects "into non-being, which is to say, everything".[3] The Vanishing Spell was one of the most complicated spells taught at Ordinary Wizarding Level (A.K.A. OWL).[4] It became more difficult with the complexity of the animal to be vanished; for instance, a snail, as an invertebrate, was rather simple, whereas the mouse, as a mammal, presented a great challenge.[2] The greatest...

History backs up the claim that wizards are cleaner than muggles.