### Human: I would like a prompt for SD for an portrait art of  ultra realistic retro futuristic halo master chief helmet### Assistant: portrait art of 8k ultra realistic retro futuristic halo master chief helmet, lens flare, atmosphere, glow, detailed,intricate,blade runner, cybernetic, full of colour, cinematic lighting, trending on artstation, 4k, hyperrealistic, focused, extreme details,unreal engine 5, cinematic, masterpiece, art by ayami kojima, giger