After careful study of enemy tactics, your warriors will know how to upset their foe’s plans and outwit them in an attack. Conduct this Study to reduce the offense of enemy troops.
| Level | Food | Lumber | Iron | Stone | Silver | Gold | Time | Requirements | Reduced Enemy Warrior Offense | Power | Hero's Experience |
| 1 | 215M | 135M | 135M | 22.5M | 17M | 490K | 15w 3d 00h 00m 00s | 1% | 470K | 205K | |
| 2 | 680M | 425M | 425M | 71M | 54M | 890K | 30w 6d 00h 00m 00s | 6% | 1.1M | 235K | |
| 3 | 2.2B | 1.35B | 1.35B | 225M | 175M | 1.65M | 61w 5d 00h 00m 00s> 1 Year(s) | 11% | 2.4M | 265K | |
| 4 | 6.9B | 4.3B | 4.3B | 720M | 545M | 3.05M | 123w 3d 00h 00m 00s> 2 Year(s) | 19% | 5.45M | 310K | |
| 5 | 22B | 14B | 14B | 2.3B | 1.75B | 5.6M | 246w 6d 00h 00m 00s> 4 Year(s) | 30% | 12.5M | 360K | |
| 32B | 20.21B | 20.21B | 3.34B | 2.54B | 11.68M | 478w 2d 00h 00m 00s> 9 Year(s) | 30% | 21.92M | 1.38M |
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