A highly detailed erotic portrait of a Sister of Battle, (Adepta Sororitas), from Warhammer 40k, beautiful stern-faced young woman with pale skin, intense fanatical eyes, long black hair partially covered by a white wimple and black hood, wearing ornate black and red power armor with gold trim, fleur-de-lis symbols, purity seals, and gothic religious icons, armor is partially opened and damaged revealing large breasts, toned athletic body, and smooth skin, sheer black lace undergarments visible underneath, holding a bolter or holy flamer, standing in a dark gothic cathedral with candles, incense smoke, and imperial aquila banners, dramatic chiaroscuro lighting, volumetric god rays, highly detailed textures of ceramite armor, sweat and oil on skin, sensual yet zealous expression, full body, dynamic pose, intricate details, 8k, photorealistic, cinematic, dark fantasy, Warhammer 40k style, by Greg Rutkowski and Alphonse Mucha, erotic, seductive, NSFW