Recently we wrote about the Crusader Kings 3 Succession guide. It will help you understand the long-term strategies that you can employ in your play-throughs, explains the most effective means of advancing the game through the use of goals/objectives, and provides information about a number of different character traits and character traits in general.
Crusader Kings 3 Succession Guide This guide is the primary resource for learning about the mechanics and game systems in Crusader Kings 2.