Or you expand existing castles, temples, and cities, and devote yourself to courtly affairs with other princes while ensuring a good atmosphere among your vassals, champions, and within your own family. How To Start in Crusader Kings 3 – For Beginners & ProsĪs a freshly crowned ruler of a smaller or larger realm, you – with the support of your council – are responsible for virtually all aspects of daily life: you take care of building up the military, waging wars, or defending yourself against raiders and attacks from your neighbors, as well as constructing new castles, temples, and cities. Translated the Overview of the Game Interface.