The illithid brain known as Kwukgixrin sent its followers to scouring the Underdark for an artifact that it discovered when it absorbed the mind of a powerful human warrior. The warrior had hidden the sword when he realized that he was too wounded to survive another attack from the illithid thralls. Before the illithid thralls could find the sword, the warrior’s twin brother discovered it. The twin was in strong health and he made short work of the thralls and many illithids before leaving the Underdark.