Rise of Tiamat
Talis the White
Talis believes she is the rightful bearer of the White Dragon Mask, and was deeply wronged when the custody of the mask went to her hated rival, the dwarf Varram, a foolish creature whom Talis considers insultingly incompetent and worthless.
Talis was recent presented the White Mask after it was lost by Varram. She is presently believed to be at the Well of Dragons