By studying the ingenious strategies and victorious tactics used by other warlords, your Hero gains an undeniable advantage on the battlefield. Upgrading this Knowledge increases the Hero's experience.
| Level | Food | Lumber | Iron | Stone | Silver | Gold | Manuscript | Time | Requirements | Hero's experience bonus | Influence | Hero’s Experience |
| 1 | 4.5M | 4.5M | 4.5M | 4.5M | 4.5M | 135K | - | 7w 00h 00m 00s | 1 | 300K | 130K | |
| 2 | 6.65M | 6.65M | 6.65M | 6.65M | 7.5M | 185K | - | 10w 4d 00h 00m 00s | Oracle 22 | 2 | 500K | 155K |
| 3 | 9.75M | 9.75M | 9.75M | 9.75M | 12.5M | 260K | - | 16w 00h 00m 00s | Oracle 24 | 3 | 835K | 180K |
| 4 | 14.5M | 14.5M | 14.5M | 14.5M | 21M | 360K | - | 24w 1d 00h 00m 00s | Oracle 25 | 6 | 1.4M | 205K |
| 5 | 21M | 21M | 21M | 21M | 34.5M | 505K | - | 36w 4d 00h 00m 00s | 9 | 2.35M | 230K | |
| 6 | 31M | 31M | 31M | 31M | 57.5M | 710K | 670 | 55w 2d 00h 00m 00s> 1 Year(s) | Oracle 27 | 14 | 3.85M | 260K |
| 7 | 45.5M | 45.5M | 45.5M | 45.5M | 95M | 1.05M | 1 050 | 83w 5d 00h 00m 00s> 1 Year(s) | Oracle 28 | 21 | 6.4M | 295K |
| 8 | 66.5M | 66.5M | 66.5M | 66.5M | 160M | 1.45M | 1 550 | 126w 4d 00h 00m 00s> 2 Year(s) | 29 | 11M | 330K | |
| 9 | 97.5M | 97.5M | 97.5M | 97.5M | 265M | 2.05M | 2 350 | 191w 5d 00h 00m 00s> 3 Year(s) | 38 | 18M | 365K | |
| 10 | 145M | 145M | 145M | 145M | 440M | 2.95M | 3 550 | 290w 1d 00h 00m 00s> 5 Year(s) | 50 | 29.5M | 410K | |
| 441.9M | 441.9M | 441.9M | 441.9M | 1.1B | 9.66M | 9.17K | 841w 5d 00h 00m 00s> 16 Year(s) | 50 | 74.14M | 2.56M |
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