The room blazed with sudden light. Bolts of purple energy crackled across the metal carapace of the Dwarven monster, and it halted, half-turning to meet this new threat. Master Arum had come! I was about to raise a cheer when the giant figure turned back to me, unharmed by the lightning bolt hurled by Master Arum, determined to destroy this first intruder. I shouted out "Steam! Steam!" as the giant raised his fist to crush me into the floor. There was a hiss and a gust of bitter cold and I looked up. The monster was now covered with a shell of ice, frozen in the very moment of dispatching me. Master Arum had understood. I leaned against the wall with relief.
This quote from book "Ruins of Kemel Ze".
Question is, why all dwemer creatures in Skyrim immune to frost spells? :ermm: