A stunning full-body portrait of a beautiful battle sister with tanned skin, holding a bolt pistol. She stands before an intricate stained glass window, her face adorned with a fleur de lys tattoo. Her sci-fi nun armor is detailed with wax seals and reflects dramatic chiaroscuro lighting. The scene embodies a professional, majestic impressionism style reminiscent of Waterhouse and Constable. Her symmetrical face features dark eyebrows, reflective eyes, and elegant makeup. Surrounded by marble walls and dust particles, the composition features a masterful blend of dramatic and rim lighting. The painting channels the essence of Greg Manchess and Jeremy Mann, with influences from Studio Ghibli and Makoto Shinkai. The overall artistry is intricately detailed and trending on platforms like ArtStation and CGSociety.