hyperdetailed digital art, enormous brutalist tower dedicated to mushroom god, concrete biopunk tower shaped like amanita muscaria, set against sunlit mountains and a huge old city, 8 k, artstation, volumetric lighting, cinematic composition, octane render, dark surrealism, highly detailed by peter mohrbacher, hajime sorayama, wayne barlowe, boris vallejo, aaron horkey, gaston bussiere, craig mullins 