A full body portrait of a sinister dark queen emerges from the shadows, embodying a dark fantasy theme with an underworld allure. Her mystical presence is accentuated by piercing crimson eyes and flowing grey hair that cascades down her shoulders. She wears an intricately detailed dark dress that shimmers with otherworldly elegance, while intricate dark tattoos trace mesmerizing patterns across her exposed skin. The ambiance is enriched by a masterful color grading that deepens the shadows around her, creating a dark illustration that captivates the imagination. The scene is rendered with an 8k cinematic effect, capturing every enigmatic detail as she stands in the heart of her ominous realm, a true deviant art masterpiece of haunting beauty and regal menace.