a fantasy of a giant tree with a building in its trunk, with a path leading towards it. a man with a sword

giant building trunk path sword mountains sky clouds creative design whimsical magical surreal inspiration adventure exploration wallpaper background forest landscape art nature tree natural illustration colored deep jungle beautiful light abstract afraid aggressive apocalypse black blue cemetery comic concept cool corpse creature creepy danger dark darkness dead death demon devil evil face fantasy fear fictional ghost grunge halloween haunted horror imagination man monster mystery night nightmare painting poster print scary scene spooky undead zombie artistic autumn floral foggy ai generated