A massive eldritch eye emerging from a dark abyss, ancient cosmic horror

a massive eldritch eye emerging from a dark abyss, ancient cosmic horror, otherworldly entity, cthulhu mythos, dark fantasy, dramatic lighting, moody atmosphere, dramatic colors, realistic 3D rendering, extremely detailed, high resolution, photorealistic, intricate details, unsettling presence, sense of scale, overwhelming scale, mesmerizing, hypnotic, enigmatic, visceral, primordial, mysterious, enigmatic, ominous