A very beautiful highly detailed, (Dark underground cave city. Abundant lightless, archaic and barbaric navy blue architecture, resembling ancient ruins. Purple mica glistens beneath the surface of the subterranean river. Violet. The cave is illuminated only by bioluminescent plants. Crimson. dark and foreboding, whimsical and enticing. Deep dark cave far below ground, glowing plants, reflective purple river, ancient ruins carved into the navy blue stone walls of the underground. All buildings in the cave hang upside-down like stalactites:1.3), by Tom Bagshaw and james jean, fantasy concept art, fantasy art, epic fantasy card game art, full art illustration, trending on Artstation | Fantasy