Smelters constantly improve their craft with the help of shamans. Upgrading this Knowledge increases the maximum amount of Steel produced in one batch in the Smelters' Yard.
| Level | Ale | Timber | Plates | Thoriars | Scrolls | Time | Requirements | Maximum of Steel Received | Influence | |
| 1 | 90 | 150 | 150 | 430 | 75 | 1w 1d 00h 00m 00s | 02nd | 6.5M | ||
| 2 | 125 | 200 | 200 | 585 | 80 | 1w 2d 00h 00m 00s | 47 | 6.55M | ||
| 3 | 170 | 280 | 280 | 815 | 85 | 1w 3d 00h 00m 00s | 86 | 6.6M | ||
| 4 | 240 | 395 | 395 | 1.2K | 90 | 1w 6d 00h 00m 00s | 1st, | >36 | 6.65M | | |
| 5 | 350 | 575 | 575 | 1.7K | 95 | 2w 2d 12h 00m 00s | 1st, | >89 | 6.75M | | |
| 6 | 520 | 855 | 855 | 2.5K | 100 | 3w 00h 00m 00s | 2nd, | >64 | 6.8M | | |
| 7 | 785 | 1.3K | 1.3K | 3.8K | 105 | 3w 12h 00m 00s | 3rd, | >68 | 6.85M | | |
| 8 | 1.25K | 2.05K | 2.05K | 5.95K | 110 | 4w 00h 00m 00s | 5, | >14 | 6.95M | | |
| 9 | 1.95K | 3.25K | 3.25K | 9.45K | 115 | 5w 3d 00h 00m 00s | 7, | >17 | 7M | | |
| 10 | 3.2K | 5.25K | 5.25K | 15.5K | 120 | 7w 4d 00h 00m 00s | 10 | 7.1M | ||
| 8.68K | 14.31K | 14.31K | 41.93K | 975 | 31w 1d 00h 00m 00s | 86 | 89 | 67.75M |
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