Tiamat

Evil five-headed dragon goddess

Description:

Tiamat, also known as the Nemesis of the Gods, was the queen of evil dragons and, for a time, a reluctant servant of the greater gods Bane and later Asmodeus. Tiamat was also the eternal rival of her brother Bahamut, ruler of the good metallic dragons

Bio:

Tiamat

Hoard of the Dragon Queen Dreylin Tugganaut