A character's vassal limit can be seen by opening the Realm menu (key: F2) towards the bottom-right. ConditionДЇor every vassal above the Vassal Limit, -5% is imposed on vassal taxes and vassal levies, up to -95%.ДЄ character can avoid going over the vassal limit by creating duke vassals and transferring count vassals to them through the grant vassal interaction. It is primarily based on the rank of the ruler's primary title and can be increased by title laws and traits. The vassal limit is the number of direct vassals (excluding Barons) a ruler can have without penalties. Rulers whose faith has the Theocratic doctrine lease their temple holdings to a Realm Priest, who then provides taxes and levies based on their opinion towards their liege.Republic vassals always provide 20% taxes and 10% levies to their liege.Theocracies provide taxes and levies based on the liege's level of devotion.Clan vassals provide taxes and levies based on their opinion towards their liege, with minimum amounts determined by crown authority.Tribal vassals provide taxes and levies based on the liege's level of fame, with minimum amounts determined by tribal authority.Feudal vassals provide taxes and levies based on their individual feudal contracts.The amount of taxes and levies granted by a vassal to their liege depends largely on their government type: Every character can have at most one liege.

Each vassal can be a liege towards their own set of vassals, as long as lower title ranks exist. The feudal system from both the Middle Ages and Crusader Kings III revolves around vassals, characters who are granted by a liege lower-ranked titles to more easily manage the realm in exchange for a cut of their taxes and levies. Havocis here to teach you everything about vassals!

Crusader kings 2 vassals