Core Building
Air Force Base
Provides additional stats to your aircraft heroes. It is an extension to your existing Air Center building.
Unlock
Unlock information unavailable.
Level Scope
Levels 1-35 upgrade costs + build times.
Upgrade Notes
Base costs shown below. Use our building calculator for costs with your bonuses applied , or set your resource reduction:
Upgrade Costs and Requirements
| Level | Immune Protein | Mutant Crystals | Time | Season XP | power | aircraft hero hp | aircraft hero attack | aircraft hero defense |
|---|---|---|---|---|---|---|---|---|
| 1 | 4.20k | 4.20k | 00:00:06 | 6.80k | 600 | 1 | 1 | 1 |
| 2 | 14.79k | 7.90k | 00:18:45 | 31.10k | 1.20k | 2 | 2 | 2 |
| 3 | 31.58k | 15.79k | 00:28:08 | 35.70k | 1.90k | 3 | 3 | 3 |
| 4 | 63.17k | 31.58k | 00:42:12 | 41.10k | 3.00k | 4 | 4 | 4 |
| 5 | 126.34k | 63.17k | 01:03:17 | 47.20k | 4.60k | 5 | 5 | 5 |
| 6 | 176.91k | 94.75k | 01:34:56 | 54.30k | 6.50k | 6 | 6 | 6 |
| 7 | 229.92k | 142.13k | 02:22:23 | 62.50k | 8.80k | 7 | 7 | 7 |
| 8 | 275.89k | 213.19k | 03:33:35 | 71.80k | 11.50k | 8 | 8 | 8 |
| 9 | 331.07k | 319.79k | 05:20:22 | 82.60k | 14.70k | 9 | 9 | 9 |
| 10 | 397.34k | 479.68k | 08:00:33 | 95.00k | 18.60k | 10 | 10 | 10 |
| 11 | 475.50k | 526.22k | 08:48:36 | 104.50k | 22.80k | 11 | 11 | 11 |
| 12 | 570.60k | 578.91k | 09:41:28 | 114.90k | 27.30k | 12 | 12 | 12 |
| 13 | 684.75k | 636.75k | 10:39:37 | 126.40k | 32.20k | 13 | 13 | 13 |
| 14 | 835.41k | 712.08k | 11:43:34 | 139.10k | 37.60k | 14 | 14 | 14 |
| 15 | 1.02M | 783.28k | 12:53:56 | 153.00k | 43.50k | 15 | 15 | 15 |
| 16 | 1.41M | 861.58k | 14:11:19 | 168.30k | 49.70k | 16 | 16 | 16 |
| 17 | 1.15M | 947.18k | 15:36:27 | 185.10k | 56.30k | 17 | 17 | 17 |
| 18 | 1.31M | 1.05M | 17:10:06 | 203.60k | 63.20k | 18 | 18 | 18 |
| 19 | 1.49M | 1.15M | 18:53:06 | 224.00k | 70.50k | 19 | 19 | 19 |
| 20 | 1.57M | 1.27M | 20:46:25 | 246.40k | 78.30k | 20 | 20 | 20 |
| 21 | 1.77M | 1.25M | 22:51:03 | 258.70k | 86.40k | 21 | 21 | 21 |
| 22 | 1.89M | 1.36M | 1d 01:08:09 | 271.60k | 94.90k | 22 | 22 | 22 |
| 23 | 2.09M | 1.46M | 1d 03:38:58 | 285.20k | 103.80k | 23 | 23 | 23 |
| 24 | 2.30M | 1.46M | 1d 06:24:52 | 299.50k | 113.10k | 24 | 24 | 24 |
| 25 | 2.51M | 1.56M | 1d 09:27:21 | 314.40k | 122.90k | 25 | 25 | 25 |
| 26 | 2.73M | 1.66M | 1d 12:48:05 | 330.10k | 132.90k | 26 | 26 | 26 |
| 27 | 2.81M | 1.68M | 1d 16:28:54 | 346.70k | 143.20k | 27 | 27 | 27 |
| 28 | 2.99M | 1.78M | 1d 20:31:47 | 364.00k | 153.80k | 28 | 28 | 28 |
| 29 | 3.02M | 1.88M | 2d 00:58:58 | 382.20k | 164.80k | 29 | 29 | 29 |
| 30 | 3.25M | 1.99M | 2d 05:52:51 | 401.30k | 176.10k | 30 | 30 | 30 |