Everyone in the world has emotions and desires, and there will always be some obsessions left behind after death. There are different levels of obsession. Those with shallow obsessions drift away over time and their souls enter reincarnation; those with deep obsessions linger in the world and leave karma for the human world. There is a job in the underworld called the Soul Burner, who burns away obsessions, resolves karma in the world, and allows the soul to enter the six realms of reincarnation... Trainee Soul Burner