A sleek, muscular black stallion with a glossy, wet-skin texture stands defiant against a starry void, its coat reflecting the ambient cosmic glow with hyper-realistic, oil-slick sheen. The horse’s mane explodes in a violent, electric rainbow of neon pink, yellow, and cyan, each strand individually rendered with soft, organic fuzz and light scattering that mimics sub-surface scattering. Its eyes are piercing, glowing electric blue, capturing the viewer’s gaze with an intense, almost hypnotic stare, the irises detailed to the last vein. The white horn spirals elegantly from its brow, textured like polished ivory with fine, concentric ridges. The nostrils flare wide, revealing the dark, velvety interior, breathing in the cosmic air. The body language is one of raw, untamed power, the muscles of the neck and shoulders defined, the skin taut and flawless, with a slight, natural sheen that suggests moisture. The lighting is dynamic, with soft, diffused light from the stars creating a halo effect around the mane, while the background is a swirling nebula of deep purples and blues, adding to the surreal, otherworldly atmosphere. The image is captured with a vintage lens, featuring subtle chromatic aberrations and spherical distortions, giving it a nostalgic, analog film quality. The exposure is normal, the contrast medium, and the sharpness balanced, making the details of the horse’s anatomy and the cosmic backdrop incredibly lifelike and immersive. The overall effect is one of striking, almost erotic beauty, with the horse’s form and the vibrant colors creating a visually arresting, almost hypnotic experience.