Frostheart Lizardmen

Even before the advent of the dwarves, the northen isle of Frostheart was home to a race of powerful Frost Lizardmen, massive warm-blooded reptiles perfectly adapted to the icy climes of the north.
Nearly driven to extinction by the Goldvein's dwarves, the Frostheart Lizardmen were forced to take an oath to the Great Linnorm to drive the invaders from their land, serving him like a living god.