Transfiguration is a subject taught at Hogwarts School of Witchcraft and Wizardry. It teaches the art of changing of the form and appearance of an object. This type of magic is commonly referred to as "transfiguration." There are limits to transfiguration, which are governed by Gamp's Law of Elemental Transfiguration. There are also many branches of Transfiguration, including Self-Transfiguration and Cross-Species Transfiguration.