A full body portrait of a dark queen with a mysterious, alluring presence, set in a dark fantasy world with an underworld aesthetic, capturing a deviant art masterpiece vibe. She has piercing crimson eyes and flowing grey hair, adorned in an elegantly dark dress with intricate dark tattoos that twine across her skin. The image is infused with a rich, cinematic 8k effect, featuring dramatic color grading that highlights the mystical and enigmatic aura surrounding her. The illustration is dark yet vibrant, drawing viewers into the captivating and ethereal realm she commands.