ancient Chinese diver from behind, upward perspective, fisheye lens effect, subtle black hues, glowing runes surrounding, air of mystery, complex traditional garments, underwater scene, ethereal light patterns, ambient underwater lighting, faint bubbles rising, illuminated inscriptions, serene water ambiance, (best quality, 4k, 8k, highres, masterpiece:1.2), ultra-detailed, (realistic, photorealistic, photo-realistic:1.37), light refraction, intricate embroidery on costume,