illustration and highly detailed render of a immense majestic fractal crystal palace shaped like a shell and a underwater paradise temple ruin, shipwreck covered seabottom landscape, ruins, lush seaweed and algae forrest, dirty water, colorful barnacles, illuminating fractal jellyfish, biny bubbles, dark, many tiny fractal jellyfish, underwater environment, nighttime, underwater, very dark, ultra realistic, intricate details, scary, highly detailed, photorealistic, octane render, raytraced render, volumetric lighting, volumetric volume, light rays, volumetric underwater scene, k, unreal engine, art by hr giger and artgerm and greg rutkowski and alphonse mucha, hdr, dramatic lighting