The Demon of Memory, known to all as Cresil, a very powerful Upper-level demon. His Modus Operandi is to erase the
Demon of Memory
Erasing the memories of Good beings to turn them evil.
memories of Beings with good magic to give them an opportunity to turn evil. He will start with memories of the being's family heritage and then move to the 48 hour window between good and evil. Once the memories are erased, Cresil can either call upon demonic shapechangers i.e Furies, the Spider Queen etc. To change them for themselves or Cresil can keep let the beings go and be influenced by good or bad.