A stunning sister of battle, with meticulously detailed symmetrical features, stands before a radiant stained glass window. Her reflective eyes, framed by dark eyebrows and subtle makeup, convey determination. Clad in sci-fi nun armor evocative of Warhammer 40k style, she exudes authority and grace amidst the marble walls. Dust particles catch the dramatic chiaroscuro lighting, creating an ethereal aura. The scene reflects the impressionistic mastery of artists like Waterhouse, Constable, and Mann, enhanced by the atmospheric depth of Studio Ghibli, Makoto Shinkai, and Ghailan. The image trends on ArtStation and CGSociety, highlighting the intricate sci-fi ambiance and classic medieval armor influences.