A large, grayish-purple humpbacked creature which lives in the mountains of Europe. Graphorns have two extremely sharp gold horns. They are extremely dangerous animals. Graphorn hide is even tougher than dragons’ and also repels spells (FB). It walks on large four-thumbed feet.
In the Study of Ancient Runes, the Graphorn's two sharp horns are used to represent the number two (JKR).