"Why shouldn't it exist?" said Oliver. "You just told me three-headed dogs are real." He had not been previously aware of this, due to his choice in electives failing to include Care of Magical Creatures. He'd picked Divination and Ancient Runes on the guess that neither was likely to be dangerous. (Charlie Weasley had once been an hour late for Quidditch practice due to having his hand shattered in Care of Magical Creatures class, and this had rather soured Oliver on the subject.) "Dragons are real, unicorns are real, ghosts are real, flying broomsticks are real, elves are real, universal antitoxins are real - "