Discipline
Agoge
Maritime Industries
Mudbrick Wharf
Survey
Scout Training
Patterns
Human Sacrifice
Priest Class
Conscription
Limitanei
Forging
Limes
Breeding
Gladiatorial Game
Gunpowder Research
Da Si Ma
Raid
Veterancy
Drill
Weapons Management Service
Logistics
Hajj
Fortifications
Construction officer
Knighthood Class
Naval Infrastructure
Press Gangs
Retainers
Family crest
Feudal Contract
Tuntian
Feoff
Craftsmen
Retinues
Freelancers
Wrestling and Maneuvers
Acrobatic Show
Wars of Religion
Religious Orders
Supply Lines
Guerrilla Heroes
Colonial Offices
Scientific Expeditions
Social Darwinism
National Identity
Bastions
Raj
Torturer
Grande Armée
National Self-determination
Public Security
Military Construction
Military Supplier
National Defense Deployment
Military Research
Total War
Poliorcetes
Levée en Masse
After Action Reports
Force Modernization
Lightning Warfare
Defense of the Motherland
Gunboat Diplomacy
Resource Exploitation
Third Alternative
Martial Law
Resource Management
Electrolytic Aluminium
Standardized production
Sustainable Developement
Integrated Space Cell
Military First
Their Finest Hour
International Space Agency
Production and Construction Crops
International Waters
Strategic Air Force
Second Strike Capability
Intelligent Training
Digital Upgrade
Poliorcetes
Description
When completing an offensive operation, Spy destroys Walls in target cities according to their promotions: Spies with 2 promotions destroy Ancient Walls, Spies with 3 promotions destroy Medieval Walls, Spies with 4 promotions destroy Renaissance Walls.
