Attack an enemy non-stop and they won’t be able to recover. Conduct this Study to increase the maximum number of attacks in a series that inflict bonus damage.
| Level | Food | Lumber | Iron | Stone | Silver | Gold | Time | Requirements | Increased Maximum Number of Attacks in a Series | Power | Hero's Experience |
| 1 | 5K | 0 | 3.25K | 3.25K | 6K | 665 | 01h 30m 00s | 1% | 300 | 42K | |
| 2 | 12.5K | 0 | 8.15K | 8.15K | 14K | 1.15K | 07h 30m 00s | 2% | 690 | 47.5K | |
| 3 | 31.5K | 0 | 20.5K | 20.5K | 32K | 2.35K | 21h 00m 00s | 3% | 1.6K | 53.5K | |
| 4 | 78.5K | 0 | 51K | 51K | 73.5K | 4.55K | 2d 00h 00m 00s | 4% | 3.7K | 60K | |
| 5 | 200K | 0 | 130K | 130K | 170K | 10.5K | 5d 00h 00m 00s | 5% | 8.4K | 67K | |
| 6 | 490K | 0 | 320K | 320K | 390K | 24K | 1w 6d 00h 00m 00s | 6% | 19.5K | 75.5K | |
| 7 | 1.25M | 0 | 795K | 795K | 890K | 53.5K | 4w 3d 00h 00m 00s | 7% | 44.5K | 85K | |
| 8 | 3.1M | 0 | 2M | 2M | 2.05M | 125K | 11w 00h 00m 00s | 8% | 105K | 95.5K | |
| 9 | 7.65M | 0 | 5M | 5M | 4.7M | 295K | 27w 2d 00h 00m 00s | 9% | 235K | 110K | |
| 10 | 19.5M | 0 | 12.5M | 12.5M | 11M | 690K | 68w 1d 00h 00m 00s> 1 Year(s) | 10% | 545K | 120K | |
| 32.32M | 20.83M | 20.83M | 19.33M | 1.21M | 113w 6d 06h 00m 00s> 2 Year(s) | 10% | 963.69K | 756K |
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