Building Requirements[]
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Please note The build times listed below assume no building bonuses are active, such as those from technologies, alliance technologies, or VIP perks. While we cannot predict your build time, it will likely be less. |
| Level | Unlocks | Requirements | Max Wall Durability |
Cost | Time | Power |
|---|---|---|---|---|---|---|
| 1 | None | None | 15,000 | None | None | 5 |
| 2 | Watchtower Lv.2 | None | 15,500 |  2.3K  2.8K |
2s | 15 |
| 3 | City Hall Lv.4 Watchtower Lv.3 |
City Hall Lv.3 | 16,000 | 4.3K 5.0K |
1m 30s | 37 |
| 4 | City Hall Lv.5 Watchtower Lv.4 |
City Hall Lv.4 | 16,500 | 7.8K 9.0K |
10m | 94 |
| 5 | City Hall Lv.6 Watchtower Lv.5 |
Tavern Lv.5 | 17,000 | 14.0K 16.3K |
30m | 226 |
| 6 | City Hall Lv.7 Watchtower Lv.6 |
Tavern Lv.6 | 17,500 | 18.0K 21.0K  25.0K |
58m 20s | 519 |
| 7 | City Hall Lv.8 Watchtower Lv.7 |
Tavern Lv.7 | 18,250 | 27.0K 32.0K 40.0K |
1h 57m | 1,037 |
| 8 | City Hall Lv.9 Watchtower Lv.8 |
Tavern Lv.8 | 19,000 | 41.0K 47.0K 64.0K |
3h 53m | 1,965 |
| 9 | City Hall Lv.10 Watchtower Lv.9 |
Tavern Lv.9 | 19,750 | 61.0K 71.0K 102.4K |
7h 47m | 3,656 |
| 10 | City Hall Lv.11 Watchtower Lv.10 |
Tavern Lv.10 | 20,500 | 92.0K 106.0K 164.0K |
15h 33m | 6,784 |
| 11 | City Hall Lv.12 Watchtower Lv.11 |
Tavern Lv.11 | 21,250 | 137.0K 160.0K 250.0K |
18h 40m | 10,816 |
| 12 | City Hall Lv.13 Watchtower Lv.12 |
Tavern Lv.12 | 22,000 | 207.0K 240.0K 375.0K |
22h 24m | 16,060 |
| 13 | City Hall Lv.14 Watchtower Lv.13 |
Tavern Lv.13 | 22,750 | 310.0K 360.0K 565.0K |
1d 3h | 22,965 |
| 14 | City Hall Lv.15 Watchtower Lv.14 |
Tavern Lv.14 | 23,500 | 465.0K 540.0K 850.0K |
1d 8h | 32,169 |
| 15 | City Hall Lv.16 Watchtower Lv.15 |
Tavern Lv.15 | 24,250 | 698.0K 810.0K 1.3M |
1d 22h | 44,583 |
| 16 | City Hall Lv.17 Watchtower Lv.16 |
Tavern Lv.16 | 25,000 | 1.0M 1.2M 1.9M |
1d 22h | 61,540 |
| 17 | City Hall Lv.18 Watchtower Lv.17 |
Tavern Lv.17 | 26,000 | 1.6M 1.8M 2.9M |
2d 8h | 84,977 |
| 18 | City Hall Lv.19 Watchtower Lv.18 |
Tavern Lv.18 | 27,000 | 2.4M 2.7M 4.4M |
2d 19h | 117,860 |
| 19 | City Hall Lv.20 Watchtower Lv.19 |
Tavern Lv.19 | 28,000 | 3.5M 4.1M 6.6M |
3d 8h | 164,369 |
| 20 | City Hall Lv.21 Watchtower Lv.20 |
Tavern Lv.20 | 29,000 | 5.3M 6.2M 9.9M |
4d | 230,776 |
| 21 | City Hall Lv.22 Watchtower Lv.21 |
Tavern Lv.21 | 30,000 | 8.0M 9.3M 14.8M |
4d 20h | 326,321 |
| 22 | City Hall Lv.23 Watchtower Lv.22 |
Tavern Lv.22 | 31,000 | 12.0M 13.9M 22.2M |
6d 6h | 466,309 |
| 23 | City Hall Lv.24 Watchtower Lv.23 |
Tavern Lv.23 | 32,000 | 18.0M 20.9M 33.3M |
8d 18h | 674,163 |
| 24 | City Hall Lv.25 Watchtower Lv.24 |
Tavern Lv.24 | 33,000 | 27.0M 31.3M 50.0M |
13d 3h | 986,224 |
| 25 | Watchtower Lv.25 | Tavern Lv.25 | 40,000 | 40.5M 47.1M 75.0M 1x  Master's Blueprint
|
41d 4h | 1,545,374 |