Europa Universalis 4 Best Religion - Each country in the world has its own religion, which it deems the true faith and, by default, it disagrees with another one. Catholic, orthodox, and totemist are way better for a military focused run. Confucian is really good for a singleplayer wide, conquest game where you don't want to care about religion. Similarily, muslims are great in that regard as dhimmi estate allows you to not. Since 1. 14, a country that has set tengri as the state religion can choose another religion and become hon gyo, in which case both tengri and hon gyo will be treated as state. Sunni is similar to catholcism in that it's good for allies and most provinces around you are the same religion. Shia gives a solid +10% morale bonus, but you'll have a harder time. Catholics must contend with the intricacies of the papacy system. The catholic hierarchy is led by the pope and includes cardinals and bishops.
Each country in the world has its own religion, which it deems the true faith and, by default, it disagrees with another one. Catholic, orthodox, and totemist are way better for a military focused run. Confucian is really good for a singleplayer wide, conquest game where you don't want to care about religion. Similarily, muslims are great in that regard as dhimmi estate allows you to not.