A hyper-realistic 3D image of a crystalline glass skull with iridescent blue light refracting through its transparent contours, casting ethereal and luminescent reflections. The skull appears suspended against an infinite black void, giving it a weightless, otherworldly presence. Tiny particles of light dance around the skull, enhancing its mysterious sci-fi allure. The rendering, done in octane, captures exquisite detail and a sense of eerie, futuristic elegance.