Daemonic (adjective)

Of, related to, or characteristic of demons; evil or sinister.

Origin:

From the greek word "daimon" meaning a supernatural being.

Examples:

1. The story had a daemonic twist.
2. The creature had daemonic powers.
3. The man had a daemonic expression on his face.
4. The painting had a daemonic atmosphere.
5. The laughter was daemonic in nature.