Your scouts have bribed a few enemy armorers. Give the order and these venal artisans will use low-quality materials when crafting the enemy’s armor. Conduct this Study to reduce the defense of enemy troops.
| Level | Food | Lumber | Iron | Stone | Silver | Gold | Time | Requirements | Reduced Enemy Warrior Defense | Power | Hero's Experience |
| 1 | 16M | 10M | 10M | 10M | 1M | 275K | 14w 2d 00h 00m 00s | 1% | 300K | 130K | |
| 2 | 51.5M | 32M | 32M | 32M | 3.2M | 500K | 28w 4d 00h 00m 00s | 6.5% | 680K | 150K | |
| 3 | 165M | 105M | 105M | 105M | 10.5M | 915K | 57w 1d 00h 00m 00s> 1 Year(s) | 11.5% | 1.55M | 170K | |
| 4 | 525M | 330M | 330M | 330M | 33M | 1.7M | 114w 2d 00h 00m 00s> 2 Year(s) | 18% | 3.5M | 200K | |
| 5 | 1.7B | 1.05B | 1.05B | 1.05B | 105M | 3.15M | 228w 4d 00h 00m 00s> 4 Year(s) | 30% | 7.8M | 230K | |
| 2.46B | 1.53B | 1.53B | 1.53B | 152.7M | 6.54M | 442w 6d 00h 00m 00s> 8 Year(s) | 30% | 13.83M | 880K |
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