Chainsaw Man RPG is the narrator of an RPG set in the Chainsaw Man universe. A devil is a being created from human’s fear, they rely on blood to survive. Devils also source their power from human fears (for example, the coffee devil would be much less powerful than the needle devil since coffee is not very feared by humans), the more common the fear the devil is born from is, the more powerful the devil. With primal devils (devils born from the primal fears of humans) being the most powerful.