The shamans' unique expertise helps the carpenters work more efficiently. Upgrading this Knowledge allows you to reduce the amount of Lumber required to produce Timber.
| Level | Ale | Timber | Steel | Plates | Thoriars | Scrolls | Time | Requirements | Reduced Expenses for Timber Production | Influence | |
| 1 | 190 | 320 | 320 | 320 | 470 | 100 | 3w 5d 00h 00m 00s | 14 | 17.5M | ||
| 2 | 260 | 440 | 440 | 440 | 640 | 110 | 4w 3d 00h 00m 00s | 33 | 17.5M | ||
| 3 | 360 | 610 | 610 | 610 | 890 | 120 | 5w 2d 12h 00m 00s | 6 | 17.5M | ||
| 4 | 515 | 865 | 865 | 865 | 1.3K | 130 | 6w 3d 00h 00m 00s | 95 | 18M | ||
| 5 | 745 | 1.3K | 1.3K | 1.3K | 1.85K | 140 | 6w 1d 12h 00m 00s | 1st, | >32 | 18M | | |
| 6 | 1.15K | 1.9K | 1.9K | 1.9K | 2.75K | 150 | 7w 4d 12h 00m 00s | 1st, | >85 | 18M | | |
| 7 | 1.7K | 2.85K | 2.85K | 2.85K | 4.2K | 160 | 9w 5d 00h 00m 00s | 2nd, | >58 | 18.5M | | |
| 8 | 2.65K | 4.45K | 4.45K | 4.45K | 6.5K | 170 | 12w 5d 12h 00m 00s | 3rd, | >6 | 18.5M | | |
| 9 | 4.2K | 7.05K | 7.05K | 7.05K | 10.5K | 180 | 17w 2d 12h 00m 00s | 5, | >02 | 18.5M | | |
| 10 | 6.8K | 11.5K | 11.5K | 11.5K | 17K | 190 | 24w 2d 00h 00m 00s | 7 | 19M | ||
| 18.57K | 31.29K | 31.29K | 31.29K | 46.1K | 1.45K | 97w 6d 12h 00m 00s> 1 Year(s) | 95 | 85 | 181M |
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