A full body portrait of a dark queen exuding a mystical, dark fantasy aura with an underworld theme, rendered as a deviant art masterpiece. She possesses mesmerizing crimson eyes and flowing grey hair, wearing an intricately designed dark dress that complements her enigmatic presence. Her skin is adorned with intricate dark tattoos, enhancing her mysterious allure. The color grading emphasizes the haunting beauty of the scene, offering a dark illustration with 8k cinematic quality. Subtle ethereal elements dance around her, adding depth to her otherworldly domain.