a gigantic brutalist ancient mushroom tower shaped like amanita muscaria, a detailed structure with at the top 3 spires in form of a trident, 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