I imagine Sauron used this form after Melkor was banished. His appearance should resemble lava: the surface is cold and dark, but there is still a fierce flame underneath.
The fire of their hearts was young, and led by Fingolfin and his sons, and by Finrod and Galadriel, they dared to pass into the bitterest North; and finding no other they endured at last the terror of the Helcaraxë and the cruel hills of ice.
You are using an unsupported browser and things might not work as intended. Please make sure you're using the latest version of Chrome, Firefox, Safari, or Edge.
