Ice dwarves have a unique society based in a very isolated area right at the northern edge of the world. They live in tunnels carved into living glaciers, and rely on their own specialized ice-based technology. (They even travel in large ships made of ice, contrary to normal dwarves’ distrust of water vessels.)
They have lots of white hair and white beards, and usually dress in polar bear fur—though they are sometimes seen going shirtless in weather that would give most folk instant frostbite. Some say this is because salt water rather than blood runs in their veins.
Ice dwarven communities are often led by shamans, with wardens, barbarians and rangers as their warriors. Viewed as primitive by other peoples, including other dwarves, they actually have a sophisticated culture that allows them to thrive in a climate that would pose a challenge to most adventurers’ survival.