Religion
From Old World Official Wiki
Each city and character will follow their own Religion. When enough characters in a Family convert to the Nation's religion the Nation will receive additional benefits. Nations may adopt a Religion as their State Religion for the cost of 400 Civics. There are two types of religions in Old World: Pagan Religions and World Religions.
- Pagan Religions are unique to each Nation and founded once the Nation completes its first Shrine improvement. Pagan Religions cannot spread, do not have Disciples and Theologies and can only be adopted as State Religion with the Divine Rule law.
- World Religions can be founded once certain requirements are met. Pagan Religions can spread, have Disciples and Theologies and can always be adopted as State Religions.
Cities that follow a Religion will gain a yield bonus of 2 Culture. If the Opinion of its Religion of the Nation is Pleased or Friendly the city will gain Happiness. However if the Opinion of its Religion of the Nation is Upset, Angry, or Furious, the city will gain Discontent. The city where a Religion is first founded will be its Holy City and gain a yield bonus of 2 Civics.