Celestial Unicorn in a Luminous Magical Realm

Ultra-detailed photorealistic 3D render of a unicorn in a magical realm. Pearlescent white coat, spiraling crystal horn, iridescent mane, and translucent hooves. The realm features floating crystalline rocks, bioluminescent flora, shimmering aurora overhead, and a glassy lake with gentle mist. Distant fantasy towers glow with runes. Subsurface scattering on fur and horn, volumetric fog, cinematic lighting, and realistic reflections to enhance the magical atmosphere.