Third, change of religion requires to have at least 35% of its followers in the country. Combined with other bonuses it might be important, but by itself religion offers too little to get into the trouble of converting. Second, religions offer small bonuses like +1 to growth or army recruiting capabilities.
In practice, only barbarians are able to change their faith, and even that only if they won't build any religion buildings, won't recruit priests and will only conquer provinces with religion unknown to them. Huns start the game with one hundred percent fate in Tengri, and in Western Roman Empire at least four different religions are in a state of unstable balance, slightly increasing or decreasing their reach in the country. First, most countries have great difficulties with changing the official religion. You won't find a description of all religions found in game in this guide.
