The Lower Planes

Cania, also known as the Relentless Cold, is the eighth layer of the Nine Hells in D&D 5e. It's a place of unimaginable cold and desolation, a frozen wasteland that makes even the icy depths of Stygia seem like a tropical paradise. Overall, Cania is an unforgiving and desolate realm that reflects the cold and calculating nature of its ruler, Mephistopheles. It's a place where even the most hardened adventurers would face a constant battle for survival.

Endless plains of shimmering ice stretching as far as the eye can see under a dark, starless sky, with chilling winds that cut to the bone. Jagged mountains loom in the distance, topped with frost-covered peaks that glint ominously in the pale, cold sunlight.