"A Horcrux," Harry began, "Is an item within which a witch or wizard may hide a piece of their soul so that, in the event of their death, they do not truly die and can be resurrected," Draco had gone pale, his mouth falling open, "To create a Horcrux, you must first tear your soul in half by committing murder, and then use a powerful magical ritual to store it within an item of your choosing," Draco took a shaky sip of his pumpkin juice before lowering it to the desk. 