The followers of the mechanogod Whrrrm, those who could never have come about until the advent of steamtech.
The twin goddesses of the Medusan race, Gethserath and Amarane.
Some of the more bizarre cults which could conceivably be found in a post apocalyptic setting
An odd little cult dedicated to the care and feeding of their ‘god’, the Cabal of Omnomnom is slowly depleting the region of…
Out of simple roots, a deep faith.
motto of the Brotherhood of Orildus
‘The bigger the brain, the smaller the heart. What do wizards know of faith?’
A fantasy version of the Klan, where it's "Grand Wizard" really is a mage, and a dangerous one at that. Instead of hating blacks most of all, they hate non humans most of all (although they are no friends of black people either and certainly don't let them join.)