### Human: I want to see a prompt for Stable Diffusion for an oil painting of a unicorn walking on an rainbow in space### Assistant: an oil painting of a unicorn walking on an rainbow in space, masterpiece, highly detailed, high quality, 4K, anatomically correct, hyperrealistic, concept art, octane render, unreal engine 5, trending on Artstation, trending on DeviantArt, matte, historical painting, fantasy style, path traced, high coherence, soft lighting, digital painting, mythical