Mecha vs Dragon City War

Epic battle between a {argument name="mecha" default="giant futuristic robot"} and a {argument name="beast" default="massive fire-breathing dragon"} in a destroyed city, robot with glowing blue weapons and heavy armor, dragon covered in lava-like scales breathing fire, explosions everywhere, burning buildings, cinematic action scene, dark stormy sky, ultra realistic, highly detailed, sci-fi fantasy, epic scale, 4K masterpiece