a massive robot gladiator, highly detailed metal armor, glowing energy weapons, intense battle scene, dramatic lighting, stormy cloudy sky, apocalyptic wasteland background, intricate mechanical design, powerful robotic movements, sparks and explosions, (best quality,4k,8k,highres,masterpiece:1.2),ultra-detailed,(realistic,photorealistic,photo-realistic:1.37),cinematic composition,dramatic color palette,chiaroscuro lighting