The construction of this building also allows for the recruiting of Militiamen.
| Level | Description | Population | Food | Lumber | Stone | Iron | Coin |
| 1 | 2nd Castle | 200 | 5000 | 5000 | 5000 | 5000 | 250 |
| 2 | 3rd Castle | 30000 | 30000 | 30000 | 30000 | 2000 | |
| 3 | 4th Castle | 400 | 60000 | 60000 | 60000 | 60000 | 3000 |
| 4 | 5th Castle | 600 | 120000 | 120000 | 120000 | 120000 | 4500 |
| 5 | 6th Castle | 800 | 240000 | 240000 | 240000 | 240000 | 6750 |
| 6 | 7th Castle | ||||||
| 7 | 8th Castle | 1600 | 615000 | 615000 | 615000 | 615000 | 15188 |
| 8 | 9th Castle | ||||||
| 9 | 10th Castle | ||||||
| 10 | 11th Castle | 4000 | 2510000 | 2510000 | 2510000 | 2510000 | 51258 |
| 11 | 12th Castle | 4500 | 16000000 | 16000000 | 16000000 | 16000000 | 8500 |
| 12 | 13th Castle | ||||||
| 13 | 14th Castle | ||||||
| 14 | 15th Castle | ||||||
| 15 | 16th Castle |
