Improve your drilling rooms so more warriors can train there. With this Study you'll be able to train more units simultaneously.
| Level | Food | Lumber | Iron | Stone | Silver | Gold | Time | Requirements | Increased Number of Warriors in Training | Power | Hero's Experience |
| 1 | 4.5M | 4.5M | 4.5M | 4.5M | 4.5M | 250K | 12w 6d 00h 00m 00s | Academy 26 | 1% | 300K | 130K |
| 2 | 9M | 9M | 9M | 9M | 9M | 340K | 19w 2d 00h 00m 00s | Academy 27 | 3% | 680K | 150K |
| 3 | 18M | 18M | 18M | 18M | 18M | 465K | 29w 00h 00m 00s | Academy 27 | 5% | 1.55M | 170K |
| 4 | 36M | 36M | 36M | 36M | 36M | 645K | 43w 3d 00h 00m 00s | Academy 28 | 7% | 3.5M | 200K |
| 5 | 72M | 72M | 72M | 72M | 72M | 895K | 65w 1d 00h 00m 00s> 1 Year(s) | Academy 28 | 9% | 7.8M | 230K |
| 6 | 145M | 145M | 145M | 145M | 145M | 1.25M | 97w 5d 00h 00m 00s> 1 Year(s) | Academy 29 | 11% | 18M | 270K |
| 7 | 290M | 290M | 290M | 290M | 290M | 1.8M | 146w 4d 00h 00m 00s> 2 Year(s) | Academy 29 | 13% | 40M | 325K |
| 8 | 580M | 580M | 580M | 580M | 580M | 2.5M | 219w 5d 00h 00m 00s> 4 Year(s) | Academy 30 | 15.5% | 90M | 385K |
| 9 | 1.2B | 1.2B | 1.2B | 1.2B | 1.2B | 3.55M | 329w 4d 00h 00m 00s> 6 Year(s) | Academy 30 | 19.5% | 205M | 455K |
| 10 | 2.35B | 2.35B | 2.35B | 2.35B | 2.35B | 5M | 494w 2d 00h 00m 00s> 9 Year(s) | Academy 31 | 25% | 460M | 545K |
| 4.7B | 4.7B | 4.7B | 4.7B | 4.7B | 16.7M | 1 457w 4d 00h 00m 00s> 27 Year(s) | 25% | 826.83M | 2.86M |
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