A cinematic dark historical portrait of a mysterious female prisoner inspired by the legend of the Man in the Iron Mask, imprisoned in a 17th-century French dungeon beneath the Bastille, wearing a finely crafted iron face mask with delicate baroque engravings, long dark hair tangled around the metal edges, pale aristocratic skin, torn but elegant old silk gown, wrists loosely chained to the stone wall, cold damp masonry, straw on the floor, a narrow barred window casting a single beam of moonlight across her mask, candlelight flickering on wet stone, atmosphere of secrecy, royal conspiracy and tragic dignity, Louis XIV era, French baroque realism, dramatic chiaroscuro, ultra detailed, painterly cinematic realism, muted desaturated colors, 35mm film still, shallow depth of field, high detail, no text, no watermark