Diplomacy
Use an Emissary to :
- Act as a Diplomat/Messenger — Propose treaties, request a nation to ally or declare war on another, or request a joint attack.
- Act as a Spy — Spy on a foreign city and collect vital information.
- Sabotage a castle — Burn down enemy gates so that your deployments can enter, or spread rumours to shake the city's loyalty.
- Trick an army — Delay an enemy army to buy time for your deployments, spread false news to prevent it from receiving reinforcements, or burn its supplies.
- Act as a Corruptor — Corrupt a foreign governor to shake his/her loyalty to their ruler, or corrupt a foreign ruler to lower his/her popularity.