cinematic bust portrait of bioluminescent robot, head and chest only, exotic steampunk features, robotic enhancements, tim hildebrandt, wayne barlowe, bruce pennington, donato giancola, larry elmore, oil on canvas, masterpiece, trending on artstation, featured on pixiv, cinematic composition, dramatic pose, beautiful lighting, sharp, details, hyper-detailed, hd, hdr, 4k, 8k