A stunning full body portrait of a devout Sister of Battle, capturing the essence of action and beauty, standing proudly in front of an ornate stained glass window. Her face is symmetrical, with reflective eyes, dark eyebrows, and artfully applied makeup, embodying an air of grace and determination. Clad in intricate sci-fi nun armor, she exudes strength and devotion, reminiscent of the Warhammer 40k style. The setting is a grand hall with marble walls, where dust particles dance in the air amidst dramatic chiaroscuro lighting. The scene is painted with the elegance of professional majestic impressionism, inspired by the works of Waterhouse, John Constable, and Studio Ghibli. The composition boasts a high level of detail, with influences from artists like Jeremy Mann, Greg Manchess, and Antonio Moro, and is trending on ArtStation and CGSociety for its intricate and dramatic portrayal, channeling the spirit of Makoto Shinkai's Kyoto. Though there are two characters in the scene, the focus remains on the Sister of Battle, elegantly framed without distractions or imperfections, maintaining harmony in color and form.