The ability to identify the enemy's vulnerable spot and hit the target without hesitating will allow your warriors to deal irrevocable damage to the enemy. Upgrading this Knowledge reduces the defense of enemy troops.
| Level | Food | Lumber | Iron | Stone | Silver | Gold | Obsidian | Time | Requirements | Reduced Enemy Troop Defense | Influence | Hero’s Experience | |||||||||||||
| 1 | 180M | 115M | 115M | 115M | 14.5M | 490K | 120 | 15w 3d 00h 00m 00s | 1 | 470K | 205K | ||||||||||||||
| 2 | 570M | 355M | 355M | 355M | 45M | 890K | 385 | 30w 6d 00h 00m 00s | 6 | 1.1M | 235K | ||||||||||||||
| 3 | 1.8B | 1.15B | 1.15B | 1.15B | 145M | 1.65M | 1.25K | 61w 5d 00h 00m 00s> 1 Year(s) | 11 | 2.4M | 265K | ||||||||||||||
| 4 | 5.75B | 3.6B | 3.6B | 3.6B | 455M | 3.05M | 3.95K | 123w 3d 00h 00m 00s> 2 Year(s) | 19 | 5.45M | 310K | ||||||||||||||
| 5 | 18.5B | 26.8B | 11.5B | 16.72B | 11.5B | 16.72B | 11.5B | 16.72B | 1.45B | 2.11B | 5.6M | 11.68M | 13K | 18.71K | 246w 6d 00h 00m 00s> 4 Year(s) | 478w 2d 00h 00m 00s> 9 Year(s) | 30 | 30 | 12.5M | 21.92M | 360K | 1.38M |
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