Create a detailed illustration of a fantasy female warrior wearing an intricate, dark-themed costume. The outfit features a short, pleated skirt and a form-fitting top with feather-like details on the shoulders and cuffs. The character is also wearing high-heeled shoes. Her head is adorned with a majestic crown made of large, dramatic feathers. The color scheme should include shades of black, dark blue, and hints of silver. The character should exude a powerful and elegant aura, blending elements of mysticism and regality.