Dark fantasy shadow knights in a mystical cave setting, showcasing transparency and caustics in a surreal, magical environment. Emphasize a masterpiece with perfect anatomy, presented in 32k UHD resolution with the best quality. The scene is highly detailed and photorealistic, capturing a cinematic angle with reflection lights and 8k sharp focus that highlights the knights in striking detail. The atmosphere is rich with a photorealistic portrait style that embodies professional photography. The knights stand amidst ethereal lighting, adding a touch of magic and wonder without any low-quality elements or imperfections such as unrealistic anatomy or unnatural body positions. The focus is on the dark, enchanting ambiance and the elegance of the knights' form, free from any distortions or artificial appearances.