We know more about contents and the price of the upcoming expansion.
It is now confirmed that Monks & Mystics, another major expansion for Crusader Kings II, will be released on March 7th. It’s priced at $14.99 for a digital release and that’s the price for the pleasure of hunting heretics.
Monastic Orders and Cults are being added to the game, with various mechanics surrounding them. “Assassins, archaeological expeditions, holy relics, great treasures and more” are also mentioned and you should look at this freshly released feature breakdown: