Religion plays a major role in Europa Universalis 4, as the will of the people, the ruling class, and subject nations clash.
In a new developer diary, posted below, project lead Thomas Johansson talks about the use of religion in the latest empire building title. What's particularly interesting is how your behaviour affects not just your internal affairs but also your external relations - your piety versus other nations of the same religion can have major fallout.
Europa Universalis 4 is now available for pre-order and if you put your money down during July you'll score the Purple Phoenix DLC. It drops on August 13,