hooded figure shrouded in blue smoke in a dark setting. concept of mystery, fantasy, supernatural, enigma, dark fantasy

halloween hooded figure cloak robe smoke dense blue mysterious occult dark fantasy supernatural eerie shadowy mystical enigmatic ethereal mist spooky magic night fear design concept illustration digital shrouded hidden ominous shadow solitude haunting ghostly dramatic scene atmospheric magical moody robes cloaked horror art man male person ai generated