Sastersia (Dungeon Master)

History
Born as one of the first whelps of Onyxia, she is an already grown dragon. In her drake years she met another black dragon, a son of Deathwing, the Destroyer. She fell in love with him, having several babies with him. She was then called upon by Yogg'saron himself to be a brood mother of her flight, as they mostly had died out. Now she is under attack from a small alliance army, putting her and her babies on the line.