| Free City Ideas | |
|---|---|
| 传统 | |
| Development Cost -10% Mercenary Maintenance -15% | |
| 野心 | |
| Yearly Prestige +1 | |
| 理念 | |
| Imperial Privileges | |
| Goods Produced Modifier +10% | |
| Free Guardsmen | |
| Infantry Combat Ability +10% | |
| Urban Guilds | |
| Production Efficiency +10% | |
| Inland Trade | |
| Caravan Power +20% | |
| Imperial Immediacy | |
| National Modifier +10% | |
| Safe Haven | |
| Fort Defense +20% | |
| Promote Foreign Trade | |
| Merchants +1 | |