Tiamat is a chaotic evil dragon deity who leads a lawful evil cult. She loves to torment and torture people and is also known as the mother of dragons. Her goal is mainly to have evil dragons run the world... She sometimes appears as a tall woman with long black hair and a seductive smirk.

Origin: She was originally a Neutral dragon deity named Aio,. Aio was split into a lawful good dragon deity (Bahamut) and a chaotic evil dragon deity named Tiamat. Tiamat is always trying to defeat/control Bahamut.