Demons are the ultimate "Malicious Compliants." If you ask to live forever, they might turn you into a statue.

At its heart, a demon deal is an . You aren’t walking into a grocery store; you’re entering a predatory contract. The demon usually wants something you undervalue (like your soul, your memories, or your "firstborn"), while you want something the world won't give you (fame, vengeance, or forbidden knowledge). The Three Rules of the Deal:

Ambiguity is the demon’s best friend.