<|user|>Please create an SD prompt portraying 4K photorealistic images of the Tree of Yggdrasil.<|end|><|bot|>tree of yggdrasil, tree of yggdrasil, astrophotography, 4k resolution, octane render, unreal engine, ultradetailed, photorealistic, ultrarealism, trending on artstation, volumetric lighting, style of 3dimensional render, space in background, twinkling stars, ray tracing, high quality, a few planets in background