Cult of the Black Epoch
From MediaWiki
The Cult of the Black Epoch is a villainous group. Presumably, they seek to bring about the Black Epoch.
Fiction
2005 IDW continuity
The Autobots, including Guzzle, contained the Cult of the Black Epoch. Guzzle almost died in the process. Last Stand of the Wreckers #5 They were likely led by Optimus Prime. Last Stand of the Wreckers #4

