Tiamat(Queen Dowager)

History
Dragon Queen Tiamat

She was once ruler of dragon race, one of the 9 supreme race of animus universe until being betrayed by 5 of the 9 race and get killed in a ambush.

She later came back to life(?) in dark universe, where she got captured by Aoin, one of the great sages of dark universe. Years after Aoin died and left behind all of his tamed and captured summons as a heritage, NOAH obtained the heritage and made a new contract with her.

Appearance
TRUE FORM :in her true form she is described as a enormous dreadful looking ten headed dragon.

HUMAN FORM :dark hair and red draconic eyes with a blessed chest and curves.