Buildings Appendix
| Building | Revenue | Defence | Upgrade Cost |
| tower | 1 | 25% | 25 gold |
| keep | 2 | 50% | 25 gold |
| castle | 3 | 75% | 25 gold |
| citadel | 4 | 100% | 25 gold |
| Buildings provide some protection against fire-based spells. Any garrison or leader in a province with a building has any fire damage divided by (1 + building level)
i.e. A tower will reduce fire damage by 1/2. A citadel will reduce fire damage to 1/5. |
