| Resource | Needed | Gems Cost |
|---|---|---|
| Treaties Needed | 20,045 | 200,450 |
| Arrows Needed | 20,045 | 200,450 |
| 400,900 |
| Building Level | Treaties/Arrows | Gems Cost |
|---|---|---|
| 2 | 2 | 20 |
| 3 | 5 | 50 |
| 4 | 8 | 80 |
| 5 | 15 | 150 |
| 6 | 20 | 200 |
| 7 | 30 | 300 |
| 8 | 40 | 400 |
| 9 | 50 | 500 |
| 10 | 70 | 700 |
| 11 | 80 | 800 |
| 12 | 100 | 1000 |
| 13 | 125 | 1250 |
| 14 | 150 | 1500 |
| 15 | 300 | 3000 |
| 16 | 500 | 5000 |
| 17 | 700 | 7000 |
| 18 | 900 | 9000 |
| 19 | 1200 | 12000 |
| 20 | 1500 | 15000 |
| 21 | 1750 | 17500 |
| 22 | 2000 | 20000 |
| 23 | 2500 | 25000 |
| 24 | 3000 | 30000 |
| 25 | 5000 | 50000 |
| Total | 20,045 | 200,450 |