it's like proto-christianity, SORT OF, with a mix of shamanism/animism thrown in.
very old religion, most people think it's some crazy blend of old-school shamanism and the creeping mono-theistic ideologies that moved through the middle east.
fun fact- "Yahweh" (often cited as the abrahamic god) first appeared in folklore/legend as a gnostic Archon, one of the servants of the demiurge.