A captivating full body portrait of a dark queen in a mysterious and enchanting fantasy setting, exuding an underworld aura. Her crimson eyes glow with intensity, contrasting against her flowing grey hair. She wears an elaborate dark gown adorned with intricate patterns, and her skin is inked with mesmerizing dark tattoos. The artwork, a deviant art masterpiece, exhibits a rich dark theme with sophisticated color grading, capturing the essence of a mystical realm. The scene is brought to life with an 8k cinematic effect, enhancing the shadowy ambiance and drawing the viewer into her otherworldly domain.