D&d Cult Of Vecna. Im not too surprised Matt used him as the C1 BBEG. He would not be the first deity to be worshipped or even manifest an.
Vecna was created by Brian Blume for the original DD supplement Eldritch Wizardry in 1976. I had a lot of fun converting a Golarion Norgorber cult from Skull Shackles into Vecna cultists for use in Greyhawk. The Cult of Vecna is a secretive group that is devoted to the demigod Vecna master of lies of destruction.
Obsessed with finding both the hand and eye of Vecna.
Iirc Vecna was originally from Oerth but has since appeared in other settings such as FR. The Cult of Vecna is a fanatical religious group that wants to bring. The way to Use the Venetian Cult as a Villain. There are no real collections of teachings studied by the cult as Vecna is a secretive deity but copies of the Book of Vile Darkness are highly sought after by Vecnas adherents due to the fact that Vecna himself was instrumental in its creation.
