A highly detailed 3D image of a crystal skull with intricate glass texture, illuminated by ethereal blue and green lights that shimmer and pulse through its translucent surface, casting hypnotic reflections and refractions. The skull is suspended against a deep black background, accentuating its ghostly luminescence. Rendered using Octane, the scene combines elements of mystery and futuristic design, evoking a sense of wonder and enigmatic allure.