halloween of a haunted castle against a dark, moonlit sky with bats flying around, a spooky cemetery, and a

halloween haunted castle sky bats spooky cemetery dark illustration vector night eerie ghostly shadows moon stars creepy mysterious scary gothic chilling twilight dusk atmosphere moonlight shine graveyard headstone tombstone bat solitude stillness tranquil silence peaceful quiet mystical haunting red ethereal celestial horror tree landscape cartoon hue hues house flying