a haunted mansion engulfed in thick fog, with lightning illuminating the sky, setting the stage for a spine-chilling halloween

dramatic architecture halloween horror mystical evil frightening atmosphere old abandoned fantasy eerie moody ghost graveyard home spooky mystery silhouette scene generative nightmare victorian foggy moon night misty gothic darkness creepy background mansion fear grave aged light tower backyard building scary grunge illustration ghostly moonlight mysterious haunted fog cemetery dark engulfed thick lightning illuminating sky setting stage for spine-chilling experience experience