Pangu opened up the world and created realms such as gods, middlemen, earth ghosts, and floating demons. However, no matter how perfect the gods are, there are times when they make mistakes. In a small corner that is sometimes dark and sometimes bright, a magical species emerges. It is neither a god, nor a human, nor a demon, nor a ghost. They make a living by devouring souls, and are called soul eaters.
What is spirit? The spirit is the essence of the seven souls and six souls. The soul and soul depend on the spirit to survive. Without the spirit, everything will cease to exist. Gods need spirit, humans need spirit, ghosts on earth need spirit, and floating demons need spirit even more. However, whether it is gods, beings, ghosts or floating demons, they all have some "thoughts" here and there, and the Soul Devourer can easily help realize these "thoughts". As the saying goes, there must be gains and losses. The price for obtaining these "thoughts" is to pay for your own soul...