Forbidden arts and secret techniques will teach your scouts to strike at the enemy's most vulnerable spots and deliver fatal blows! Upgrading this Knowledge increases the offense of your scouts.
| Level | Food | Lumber | Iron | Stone | Silver | Gold | Manuscript | Time | Requirements | Increased Scout Offense | Influence | Hero’s Experience |
| 1 | 3.1M | 3.1M | 3.1M | 3.1M | 3.1M | 160K | - | 8w 2d 00h 00m 00s | 1 | 300K | 130K | |
| 2 | 4.95M | 4.95M | 4.95M | 4.95M | 5.2M | 215K | - | 12w 2d 00h 00m 00s | Oracle 23 | 3 | 520K | 165K |
| 3 | 7.8M | 7.8M | 7.8M | 7.8M | 8.65M | 290K | - | 18w 00h 00m 00s | Oracle 24 | 6 | 895K | 210K |
| 4 | 12.5M | 12.5M | 12.5M | 12.5M | 14.5M | 390K | - | 26w 2d 00h 00m 00s | Oracle 25 | 10 | 1.55M | 255K |
| 5 | 20M | 20M | 20M | 20M | 24M | 530K | - | 38w 5d 00h 00m 00s | Oracle 26 | 15 | 2.7M | 315K |
| 6 | 31.5M | 31.5M | 31.5M | 31.5M | 40M | 730K | - | 56w 6d 00h 00m 00s> 1 Year(s) | Oracle 26 | 21 | 4.6M | 385K |
| 7 | 49.5M | 49.5M | 49.5M | 49.5M | 67M | 1M | 1 050 | 83w 3d 00h 00m 00s> 1 Year(s) | 29 | 7.95M | 465K | |
| 8 | 78.5M | 78.5M | 78.5M | 78.5M | 115M | 1.4M | 1 500 | 122w 5d 00h 00m 00s> 2 Year(s) | Oracle 27 | 38 | 14M | 565K |
| 9 | 125M | 125M | 125M | 125M | 190M | 1.95M | 2 200 | 180w 2d 00h 00m 00s> 3 Year(s) | Oracle 28 | 48 | 24M | 680K |
| 10 | 200M | 200M | 200M | 200M | 310M | 2.7M | 3 250 | 265w 00h 00m 00s> 5 Year(s) | Oracle 28 | 60 | 41M | 815K |
| 11 | 315M | 315M | 315M | 315M | 515M | 3.75M | 4 750 | 389w 4d 00h 00m 00s> 7 Year(s) | Oracle 29 | 74 | 70.5M | 975K |
| 12 | 500M | 500M | 500M | 500M | 860M | 5.25M | 6 950 | 572w 5d 00h 00m 00s> 10 Year(s) | Oracle 29 | 90 | 125M | 1.2M |
| 13 | 790M | 790M | 790M | 790M | 1.45B | 7.35M | 10 500 | 841w 6d 00h 00m 00s> 16 Year(s) | 108 | 210M | 1.4M | |
| 14 | 1.25B | 1.25B | 1.25B | 1.25B | 2.4B | 10.5M | 15 000 | 1 237w 3d 00h 00m 00s> 23 Year(s) | 128 | 365M | 1.65M | |
| 15 | 2B | 2B | 2B | 2B | 4B | 15M | 22 500 | 1 819w 00h 00m 00s> 34 Year(s) | 150 | 625M | 1.95M | |
| 5.39B | 5.39B | 5.39B | 5.39B | 10B | 51.22M | 67.7K | 5 672w 3d 00h 00m 00s> 108 Year(s) | 150 | 1.49B | 11.16M |
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