Soul bartering

Soul bartering is the practice of surrendering one's soul in exchange for some specified reward, which may take the form of good fortune, extended life, wealth, power, fame, cigars, etc. People sell their souls for all sorts of dumb-ass reasons. In most cases, the one officiating the sale is of interdimensional heritage, usually demonic. Although demons are the most frequent busy bodies in the soul-bartering business, others can get in on the game as well, such as witches and warlocks. As demons like their covenants to be ironclad, the bartering of one's soul is usually officiated by way of a lengthy and extensive contract.

Television

 * Being Human: What's Blood Got to Do With It?
 * Preacher: Sokosha

Comics

 * Dollface 3