An underground religion separate in both philosophy and practice from the native beliefs and Christianity.
Fertility cultists believed in the combination of male/female. That nature was the giver of all life. Developed from ancient times and taking cues from the natural world, they did not believe in good or evil.
Ceremonies normally centered around a cauldron, a group of (preferably) nine women, and a man dressed up as the horned Cernunnos.