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 | 180M | 115M | 115M | 115M | 14.5M | 490K | 15w 3d 00h 00m 00s | 1% | 470K | 205K | |
| 2 | 570M | 355M | 355M | 355M | 45M | 890K | 30w 6d 00h 00m 00s | 6% | 1.1M | 235K | |
| 3 | 1.8B | 1.15B | 1.15B | 1.15B | 145M | 1.65M | 61w 5d 00h 00m 00s> 1 Year(s) | 11% | 2.4M | 265K | |
| 4 | 5.75B | 3.6B | 3.6B | 3.6B | 455M | 3.05M | 123w 3d 00h 00m 00s> 2 Year(s) | 19% | 5.45M | 310K | |
| 5 | 18.5B | 11.5B | 11.5B | 11.5B | 1.45B | 5.6M | 246w 6d 00h 00m 00s> 4 Year(s) | 30% | 12.5M | 360K | |
| 26.8B | 16.72B | 16.72B | 16.72B | 2.11B | 11.68M | 478w 2d 00h 00m 00s> 9 Year(s) | 30% | 21.92M | 1.38M |
English