Soul Mates

In the previous novels of this series, the author has introduced the idea that the master of Dark has a counterbalance, or soul mate, who is meant to be his mate. This person has a calming effect on the pain that is brought on by the work the Master of Darkness must do. The one time a Master of Dark lost his counterbalance, he went crazy and allowed the Darkness to take him over. This man, Bartholomew the Terrible, still exists as a soul who can enter the bodies of witchlings. Bartholomew still wants to grow the Darkness and destroy the Light.

It has never been discussed whether or not the Master of Light has a similar counterbalance. There has not been a Master of Light in a generation, so no one ever thought to investigate the possibility. However, as this novel begins, Beck meets...