A robot wrapped in lightning, with sparks of lightning surrounding it. It has a black metallic body with glowing blue lines. Sabers are attached to the sides of its arms. It has large mechanical wings on its back. A robot surrounded by sparks of lightning, with lightning wrapped around it. It has a black metallic body with glowing purple lines. Sabers are attached to the sides of its arms. It has large mechanical wings on its back, one above the other. A mecha design of a justice-seeking combat robot, heavy full-armor chassis with boxy angular frames and exposed cables, caterpillar tracks for legs, cylindrical head sensor glowing as it locks onto a target, wielding a beam-edged chainsaw weapon that sprays sparks as it slashes, equipped with an anti-missile catapult and thick shield, soaring over a swirling sandstone desert under a dramatic overcast sky, dust and oil stains visible on scarred armor, cinematic dynamic angle, intense amber sunset lighting casting long shadows, gritty realism and kinetic energy, volumetric sandstorm particles mixing with sparks and smoke. Make a robot dragon flying in the sky at night in a realistic style