A captivating full-body portrait of a strikingly beautiful woman, embodying the essence of a Sister of Battle, set in a dilapidated cathedral. She wields a sense of strength and grace, her detailed, symmetrical face framed by reflective eyes, dark eyebrows, and artfully applied makeup. Her armor is worn and cracked, bearing the marks of countless battles. The setting is a ruined marvel, with marble walls showing their age through cracks and bullet holes. Dust particles dance in the air, caught by the dramatic and rim lighting. This scene is captured in the Warhammer 40k style, blending impressionistic oil painting techniques inspired by the works of Waterhouse, John Constable, Ed Blinkey, Atey Ghailan, Jeremy Mann, Greg Manchess, and Antonio Moro. The atmosphere is intricate and highly detailed, with a majestic aura. Notable features include a forehead tattoo, a veil, headwear, and steel armor. The artwork remains captivating and professional, steering clear of distortion or unrealistic elements, reminiscent of top trends on ArtStation and CGSociety.