ghost, Halloween theme, spooky atmosphere, haunted house, jack-o'-lanterns, cobwebs, eerie lighting, full moon, misty graveyard, flickering candles, shadowy figures, Victorian-era mansion, abandoned asylum, decrepit hospital, ghost hunting equipment, EMF reader, spirit box, night vision cameras, ghostly whispers, cold breath, floating apparitions, poltergeist activity, interactive ouija board, vengeful spirits, costume-clad investigators, pumpkin decorations, autumn leaves, 3/4 view, dynamic shadows, ambient occlusion, high-resolution textures, HDR lighting, wide-angle lens.