Victory goes to those who can bear the hardships of war the longest. Furious killers know this, so they train their body not just to survive, but to participate in as many battles as they can. In the Valkyries' Citadel, you can increase your Cutthroat health.
| Level | Lumber | Iron | Stone | Silver | Gold | Time | Requirements | Increased Cutthroat Health | Influence | Hero’s Experience | Shaman's Experience |
| 1 | 12M | 9.4M | 14.5M | 23.5M | 45.5K | 05h 00m 00s | 1% | 50K | 130K | 130K | |
| 2 | 12.5M | 9.7M | 15M | 24.5M | 73K | 10h 00m 00s | Valkyries' Citadel 23 | 13.5% | 2.7M | 185K | 185K |
| 3 | 13.5M | 10.5M | 16M | 26.5M | 105K | 1d 03h 00m 00s | Valkyries' Citadel 24 | 26.5% | 5.5M | 240K | 240K |
| 4 | 16.5M | 13.5M | 20M | 33M | 140K | 3d 00h 00m 00s | 41.5% | 9.05M | 305K | 305K | |
| 5 | 24.5M | 19.5M | 29.5M | 49M | 195K | 1w 1d 00h 00m 00s | Valkyries' Citadel 26 | 59.5% | 14.5M | 405K | 405K |
| 6 | 41M | 33M | 49.5M | 82M | 280K | 2w 5d 00h 00m 00s | Valkyries' Citadel 27 | 80.5% | 22M | 560K | 560K |
| 7 | 71M | 57M | 85.5M | 145M | 405K | 5w 2d 00h 00m 00s | Valkyries' Citadel 28 | 105% | 34.5M | 795K | 795K |
| 8 | 120M | 96M | 145M | 240M | 600K | 9w 4d 00h 00m 00s | 140% | 53M | 1.15M | 1.15M | |
| 9 | 200M | 160M | 235M | 395M | 880K | 16w 1d 00h 00m 00s | Valkyries' Citadel 30 | 175% | 79.5M | 1.7M | 1.7M |
| 10 | 305M | 245M | 365M | 610M | 1.3M | 25w 5d 00h 00m 00s | 220% | 120M | 2.4M | 2.4M | |
| 816M | 653.6M | 975M | 1.63B | 4.02M | 61w 1d 18h 00m 00s> 1 Year(s) | 220% | 340.8M | 7.87M | 7.87M |
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