Disturbing, highly-detailed, Halloween greeting card illustration, (with a dense Ghost Horde:1.6) surrounding an old haunted mansion at night, misty ambiance, ethereal beings emerging from the darkness, moody hues, graphite, watercolor textures, ominous lettering, spooky ambience, 19th century black, white cinema poster art, 4k resolution., by: Georges Seurat, Leonid Afremov
(Ghost  Horde:1.6), 