The Supreme Thing is the hand of retribution within the Stronghold. Power granted by the Thing gives each Jarl in the Clan the right to exile outsiders who have placed their Towns in the Valley of the Aesir. Upgrading this building expands the Thing's dominion.
| Level | Time | Timber | Plates | Steel | Ale | Thoriars | Scrolls | Precious Dust | Requirements | Stronghold Influence | Dominion, Km |
| 1 | 1w 3d 00h 00m 00s | 7 800 | 7 800 | 7 800 | 7 800 | 2 000 | 330 | Mintage Yard 1 | 125 000 000 | 5 | |
| 2 | 2w 1d 00h 00m 00s | 15 500 | 15 500 | 15 500 | 15 500 | 3 950 | 430 | Mintage Yard 2 | 175 000 000 | 6 | |
| 3 | 6w 2d 00h 00m 00s | 122 000 | 122 000 | 122 000 | 122 000 | 31 400 | 530 | Mintage Yard 3 | 245 000 000 | 7 | |
| 4 | 9w 5d 00h 00m 00s | 135 000 | 135 000 | 135 000 | 135 000 | 34 000 | 645 | 2 750 | Mintage Yard 4 | 340 000 000 | 8 |
| 5 | 383w 3d 00h 00m 00smore 7 years | 1 250 000 | 1 250 000 | 1 250 000 | 1 250 000 | 315 000 | 200 000 | 3 500 | Mintage Yard 5 | 475 000 000 | 9 |
| 403w 00h 00m 00smore 7 years | 1 530 300 | 1 530 300 | 1 530 300 | 1 530 300 | 386 350 | 201 935 | 6 250 | 1 360 000 000 |
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