Players pick campaign actions from a table, some limited to particular player roles.
How it works
The table lists Forced march, Interception, Petition of grievances, Proclaim right, Coordinate forces, Royal authority, Tactical innovation, Recruit soldiers, Recruit mercenaries and Victuals and coin, each tagged by who may use it (any, royal, or a specific claimant type). The claimant's type (petitioner, dynastic rival, usurper/pretender) determines which options are open, giving each a different route to the crown.
As you can see from the ‘Actions and Alarums’ table, some of the stages are only suitable for specific claimant players:



