At the Hewers' Guild, ordinary Stone is transformed into well-worked Marble that is necessary for improving the Order Citadel. Upgrading the Hewers' Guild speeds up processing and increases the amount of the produced resource.
| Level | Time | Lumber | Iron | Stone | Silver | Planks | Cast Iron | Rations | Tokens | Drafts | Requirements | Order Citadel Power | Maximum of resource received | Transformation Speed | Transformation Cost |
| 1 | 1w 3d 00h 00m 00s | 20 000 000 | 15 000 000 | 20 000 000 | 10 000 000 | 1 000 | 100 | Provisioners' Guild 1 | 62 000 000 | 2 000 | 0% | 0% | |||
| 2 | 2w 1d 00h 00m 00s | 3 950 | 3 950 | 2 000 | 1 400 | 125 | Provisioners' Guild 2 | 86 500 000 | 2 000 | 2% | 1% | ||||
| 3 | 6w 2d 00h 00m 00s | 31 400 | 31 400 | 15 800 | 11 000 | 150 | Provisioners' Guild 3 | 125 000 000 | 2 000 | 4% | 2% | ||||
| 4 | 9w 5d 00h 00m 00s | 34 000 | 34 000 | 17 000 | 12 000 | 185 | Provisioners' Guild 4 | 170 000 000 | 2 000 | 7% | 3% | ||||
| 19w 4d 00h 00m 00s | 20 000 000 | 15 000 000 | 20 000 000 | 10 000 000 | 69 350 | 69 350 | 35 800 | 24 400 | 560 | 443 500 000 |
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