Portrait of a formidable dark queen set in a mystical underworld, showcasing a rich, dark fantasy theme. Her captivating crimson eyes and flowing grey hair stand out against a sumptuous dark dress adorned with intricate, shadowy tattoos. The composition is an 8k cinematic masterpiece, with expert color grading highlighting the depth and allure of the scene. The deviant art-inspired illustration captures the eerie beauty and commanding presence of this regal figure, enveloped in an atmosphere of enigmatic allure and power.