A captivating and dynamic portrayal of a devout sister of battle in a full shot body photo, set against the backdrop of a stunning stained glass window. She is a beautiful woman adorned in intricate sci-fi nun armor inspired by Warhammer 40k, standing majestically in a scene that showcases detailed symmetrical features with reflective eyes, dark eyebrows, and skillfully applied mascara. The setting includes marble walls and is enriched by dust particles illuminated through detailed lighting, featuring dramatic chiaroscuro effects. The perspective is from above, presented as a professional majestic impressionism oil painting reminiscent of the style of Waterhouse, John Constable, and Jeremy Mann, with inspiration drawn from the likes of Studio Ghibli and Makoto Shinkai. The image exudes an intricate, high-detail aesthetic, capturing the essence of trending art on platforms like ArtStation and CGSociety, with the steel and medieval armor seamlessly integrated into the composition. The scene is depicted with a richly detailed and cohesive approach, avoiding any elements that detract from the beauty, such as poor anatomy or disfigurement, and is presented as a vivid, clear, and artful representation.