Concept art of a forbidden ring of power, dark steel entwined by living shadows, glowing inscriptions pulsing faintly, mist swirling around in a dimly lit underground chamber, cinematic style, fantasy lighting, high contrast, ultra-detailed. Key features include: An intricate coil of Shadow tendrils symbolizing eternal entrapment, with faint glyphs from the Pale King's lineage. Microscopic eyes of white light representing lost Vessels, contrasting with the darkness. A reverse luminescence effect, absorbing ambient light and creating a dimming aura around it. The final render aims for ultra-high detail, emphasizing the ring's grim beauty and complexity.