3d rendering, futuristic assassin robot, front view, upper-body, (full body)), neon glow with deep orange and black, gaze, glistening, isolated on a black backdrop, mecha scorpion red neon lit tail, transparent shimmer, Sci-Fi-laser, dramatic lighting, deep contrast, low-key, emphasis on texture and contrast, RTX shader, unreal engine 5, complex, hyper realism, many details