beautiful white angel battling red winged devil, surreal, fantasy, intricate, mechanical, elegant, dramatic, highly detailed, gears, lifelike, photorealistic, digital painting, painterly, artstation, concept art, smooth, head in focus, sharp focus, background aerial battle, illustration, art by John Collier and Krenz Cushart and Artem Demura and Alphonse Mucha and Albert Aublet,