A front-facing, full-body portrait of an exceptionally beautiful woman, a sister of battle, seated in a ruined cathedral, with a detailed and symmetrical face. Her reflective eyes are accentuated by dark eyebrows and skillfully applied makeup. Her armor is intricately designed, appearing both dirty and cracked, in the iconic Warhammer 40k style. The backdrop features ruined marble walls, dust particles, bullet holes, and cracked surfaces. Dramatic and detailed lighting, including rim lighting, highlights the scene. This professional oil painting echoes the styles of Waterhouse, John Constable, Ed Blinkey, Atey Ghailan, Jeremy Mann, Greg Manchess, and Antonio Moro. Intricately detailed and trending on ArtStation and CGSociety, the artwork captures the essence of dramatic impressionism. The woman wears a veil and headwear with steel armor. The cathedral's interior is bathed in atmospheric light, adding depth to the historic ambiance.