- As of yet Unknown
As of yet, no known Signamancer has been introduced, but apparently Transylvito has some.
Real World References
The Signamancy is highly reminiscent of Plato's philosophy, espoused in the Allegory of the Cave, in which Plato explained how perceived reality is nothing more than the shadows of the true reality. Also, of the Enlightenment/Awakening in general .