Shazaar, the Cryptarch

Shazaar, the Cryptarch is a member of The Fallen who represents Corruption, Evil Mages, and Secrets. He is most often portrayed as a lich. His symbol is an eye embedded in a gaunt hand. His city is in the Shadowfell. Shazaar was orignally a mortal, and became the most powerful evil mage and fought with the Fallen during The Hubric Wars, eventually ascending to godhood, and then banished along with the Fallen.
Shazaar's archenemy is Ido, the Observant Steward.

Evil mages who are dedicated to the domains of Arcana, Death, Grave, Knowledge, and Trickery can serve Shazaar.