A banner held aloft, a clarion calling to battle and the glory of the Hero’s troops – all are used to dampen enemy morale. Conduct this Study to substantially weaken Assailants' defense.
| Level | Food | Lumber | Iron | Stone | Silver | Gold | Time | Requirements | Reduced Assailant Defense | Power | Hero's Experience |
| 1 | 5K | 3.25K | 3.25K | 3.25K | 6K | 665 | 01h 30m 00s | 2% | 300 | 21K | |
| 2 | 12.5K | 8.15K | 8.15K | 8.15K | 14K | 1.15K | 07h 30m 00s | Academy 13 | 4.15% | 690 | 25.5K |
| 3 | 31.5K | 20.5K | 20.5K | 20.5K | 32K | 2.35K | 21h 00m 00s | Academy 14 | 6.45% | 1.6K | 31K |
| 4 | 78.5K | 51K | 51K | 51K | 73.5K | 4.55K | 2d 00h 00m 00s | Academy 15 | 8.9% | 3.7K | 37.5K |
| 5 | 200K | 130K | 130K | 130K | 170K | 10.5K | 5d 00h 00m 00s | Academy 16 | 11.85% | 8.4K | 45.5K |
| 6 | 490K | 320K | 320K | 320K | 390K | 24K | 1w 6d 00h 00m 00s | Academy 17 | 15.3% | 19.5K | 55.5K |
| 7 | 1.25M | 795K | 795K | 795K | 890K | 53.5K | 4w 3d 00h 00m 00s | Academy 18 | 19.25% | 44.5K | 67K |
| 8 | 3.1M | 2M | 2M | 2M | 2.05M | 125K | 11w 00h 00m 00s | Academy 19 | 23.95% | 105K | 81.5K |
| 9 | 7.65M | 5M | 5M | 5M | 4.7M | 295K | 27w 2d 00h 00m 00s | Academy 20 | 29.4% | 235K | 99K |
| 10 | 19.5M | 12.5M | 12.5M | 12.5M | 11M | 690K | 68w 1d 00h 00m 00s> 1 Year(s) | Academy 21 | 39.85% | 545K | 120K |
| 32.32M | 20.83M | 20.83M | 20.83M | 19.33M | 1.21M | 113w 6d 06h 00m 00s> 2 Year(s) | 39,85% | 963.69K | 583.5K |
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