mysterious cloaked figure entering a medieval stone castle amidst fog. haunted house with the ghosts. concept of

halloween ghost mysterious medieval architecture cloaked castle fog eerie atmosphere gothic fantasy spooky shadowy stone fortress mist ancient historic cryptic enigma haunt phantom spectral supernatural mystic arcane twilight dark stonework archway courtyard alleyway old legendary concept design misty cobblestone digital art illustration ruin person cloak haunted house mansion ai generated