halloween scene, shadowy forest and bats soaring under a full moon in an orange-yellow sky

horror night october fear moon evil mystery poster silhouette bat ghost spooky creepy haunted horizontal moonlight glowing flying tradition creativity fog invitation jack party darkness graphic mist shadow twilight dusk eerie elegance event fantasy festive magic monster mysterious seasonal artwork promotion textured strength spotlight brochure improvement nightmare tranquility halloween scene shadowy forest bats soaring full orange-yellow sky terror dark yellow-orange