<|user|>Post a prompt for SD representing underworld caverns with epic spires of rock<|end|><|bot|>Underworld caverns with epic spires of rock, huge obsidian houses and buildings, tall obsidian architecture, rock roof, underground, flowing lava, octane render, cozy wallpaper, 4k, trending on Artstation, award-winning, art by Greg Rutkowski and Victor Nizovtsev