Nyx, Goddess of Night, mature lady, ethereal beauty, flowing silver hair, galaxy-inspired makeup, shimmering starry eyes, slender figure, curvy chest, elegant waist, long legs, flowing black gown with star patterns, crescent moon brooch, delicate wings sprouting from back, standing on a cliff overlooking a mystical night sky, stars and constellations twinkling in the background, soft misty atmosphere, dreamy lighting, cinematic composition, 3/4 angle, warm colors.