enormous brutalist tower dedicated to eldritch mushroom god, a monumental tower inspired by amanita muscaria with a mushroom hat made of concrete, standing against sunlit mountains and a huge old city, 8 k, artstationhq, rtx on, cinematic, octane render, peter mohrbacher, hajime sorayama, wayne barlowe, boris vallejo, aaron horkey, gaston bussiere, craig mullins 