The "Demon Card" is a collectible card that features various demon characters from folklore, mythology, or popular culture. These cards are often used in trading card games, where players can build decks and compete against each other. Each card typically has unique abilities, strengths, and weaknesses, making strategy an essential part of gameplay. In many games, the Demon Card can represent powerful creatures that players summon to gain an advantage. The artwork on these cards often showcases intricate designs, reflecting the dark and mysterious nature of demons. Collectors also seek out rare or limited-edition Demon Cards for their value and artistic appeal.