Training newly recruited warriors is quite costly, yet very important. Secret Knowledge has been revealed to the great Jarls. By upgrading it, you can substantially reduce the cost of training the Faceless.
| Level | Food | Lumber | Iron | Stone | Silver | Gold | Manuscript | Time | Requirements | Reduced Faceless Training Cost | Influence | Hero’s Experience |
| 1 | 4.5M | 4.5M | 4.5M | 4.5M | 4.5M | 96.5K | - | 5w 00h 00m 00s | 0 | 350K | 140K | |
| 2 | 6.65M | 6.65M | 6.65M | 6.65M | 7.5M | 130K | - | 7w 3d 00h 00m 00s | Oracle 22 | 1 | 585K | 165K |
| 3 | 9.75M | 9.75M | 9.75M | 9.75M | 12.5M | 180K | - | 11w 00h 00m 00s | Oracle 24 | 2 | 975K | 190K |
| 4 | 14.5M | 14.5M | 14.5M | 14.5M | 21M | 245K | - | 16w 2d 00h 00m 00s | Oracle 25 | 3 | 1.65M | 215K |
| 5 | 21M | 21M | 21M | 21M | 34.5M | 335K | - | 24w 1d 00h 00m 00s | 4 | 2.7M | 245K | |
| 6 | 31M | 31M | 31M | 31M | 57.5M | 460K | 435 | 35w 6d 00h 00m 00s | Oracle 27 | 6 | 4.5M | 275K |
| 7 | 45.5M | 45.5M | 45.5M | 45.5M | 95M | 640K | 645 | 53w 2d 00h 00m 00s> 1 Year(s) | Oracle 28 | 9 | 7.5M | 310K |
| 8 | 66.5M | 66.5M | 66.5M | 66.5M | 160M | 895K | 960 | 79w 00h 00m 00s> 1 Year(s) | 12 | 12.5M | 345K | |
| 9 | 97.5M | 97.5M | 97.5M | 97.5M | 265M | 1.25M | 1 450 | 117w 3d 00h 00m 00s> 2 Year(s) | 15 | 21M | 380K | |
| 10 | 145M | 145M | 145M | 145M | 440M | 1.8M | 2 150 | 174w 2d 00h 00m 00s> 3 Year(s) | 20 | 34.5M | 425K | |
| 441.9M | 441.9M | 441.9M | 441.9M | 1.1B | 6.03M | 5.64K | 523w 5d 00h 00m 00s> 10 Year(s) | 20 | 86.26M | 2.69M |
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