The initial Christian communities, essentially secret societies that initiate members by baptism, have a mystery school, and communicate through symbols and secret hand gestures. Happen to have an equalateral triangle as the symbol of their God.

Send encoded messages between the churches as letters, the most bizzare and famous of these being the Revelation of John.

Greek orthodox and Syrian Orthodox Christianity is near original occult illuminati fraternal Christianity.

Rome tries to subdue these power centers, bankrupts Greece, wages war on Syria, Destabilizes Turkey with coups and plots. Maybe coincidence maybe not...