A hyperrealistic portrait of an ancient mirrored portal floating in eternal void, its polished obsidian surface transforming from solid darkness into cascading rivers of flowing liquid silver with pulsing veins of reflective energy in electric sapphire and molten platinum, frame morphing into cascading ribbons of living starlight in deep cosmic black and crystalline white, central reflection blazing as twin ancient cosmic eyes emitting beams of infinite visibility in electric cobalt and amber luminescence, extreme close-up composition emphasizing dimensional transcendence, intense starlight from surrounding nebulae creating luminous silver and blue rim highlights on transcendent ethereal silhouette, transcendent mysterious mood, deep void black and ancient silver color palette with floating particle wisps and golden light trail accents, masterpiece quality, 8k resolution