halloween scene, shadowy forest, bats flying, and a full moon in an ominous yellow-orange 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 full ominous yellow-orange sky soar dark orange-yellow