Spirit Walker

After the utensils have spiritual power, they are called utensil spirits; animals with spiritual power are called animal spirits; and they are collectively called "spirits". After signing a spiritual contract with the "spirits", they can become the masters of the spirits, and they are called "spiritual contracters". Over the long years, there have been some people with evil intentions who have signed contracts with "spirits", and such people are called "demon spirits", and their spirits are called "demon spirits".