a vertical, highly detailed dark fantasy artwork depicting an underground city built inside a colossal cave. in the center foreground, a dark, viscous river with glowing orange highlights flows towards a massive arched gateway that shines with bright orange light. on either side of the river are ancient, ornately carved stone buildings. the city rises in tiers in the background, leading towards a colossal, vertical pillar of glowing orange light that extends into the darkness above. the cave walls are rough, dark, and organic in texture, framing the entire scene. a single, bright white light source shines on the left side of the city.

bad anatomy, deformed, mutated, extra limbs, disfigured, blurry, low quality, low resolution, bad hands, missing fingers, extra fingers, extra legs, extra arms, fused fingers, bad proportions, distorted, ugly, noisy, grainy, out of focus, duplicate, watermark, signature, text, logo, cropped, low-res, low-grade