Nigredo is a stage of the alchemical process of creating the philosopher's stone. During this phase, all components are transformed into a uniform black matter. The step is associated with decomposition in living things. In Jungian psychology, nigredo is equated with the moment when one confronts their own shadow.
Design
Nigredo's appearance as a reaper-like figure most likely relates to nigredo's association with death and putrefaction.
Japanese