The Mistress of Shadows was an elven spellcaster within the Tomb of the Ancients in Dustwallow Marsh, the abode of the undead Lord Talendar. Unlike her host, the Mistress of Shadows nor her six Maidens of Shadows remained alive, and she studied within one of the Tomb's libraries. Despite the shadow and arcane powers at her command, she was slain by Rexxar and his companions during the events of the Founding of Durotar.