The Bone Witch Universe

This is a universe in which the book Bone Witch is written. Its key factors is that life is maintained by five elements: body, mind, voice, soul, and spirit. Each of these has two witcheries associated with them, a pure witchery and an impure witchery. Their planes of existence layer on top of each other and can sometimes interact. There is a plane for the unborn, the born, and the dead.