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 Berserker health.
| Level | Lumber | Iron | Stone | Silver | Gold | Time | Requirements | Increased Berserker Health | Influence | Hero’s Experience | Shaman's Experience |
| 1 | 5.75M | 4.6M | 6.9M | 11.5M | 19.5K | 02h 30m 00s | 1% | 4K | 80K | 80K | |
| 2 | 5.95M | 4.75M | 7.1M | 12M | 31.5K | 04h 00m 00s | Valkyries' Citadel 17 | 10% | 215K | 120K | 120K |
| 3 | 6.4M | 5.15M | 7.7M | 13M | 44K | 07h 30m 00s | Valkyries' Citadel 17 | 19.5% | 445K | 160K | 160K |
| 4 | 7.95M | 6.4M | 9.55M | 16M | 60K | 21h 00m 00s | 30.5% | 730K | 205K | 205K | |
| 5 | 12M | 9.5M | 14.5M | 24M | 82.5K | 2d 03h 00m 00s | Valkyries' Citadel 19 | 43.5% | 1.15M | 275K | 275K |
| 6 | 20M | 16M | 24M | 40M | 120K | 4d 15h 00m 00s | Valkyries' Citadel 19 | 59% | 1.8M | 385K | 385K |
| 7 | 35M | 28M | 41.5M | 69.5M | 175K | 1w 3d 00h 00m 00s | Valkyries' Citadel 20 | 77.5% | 2.75M | 555K | 555K |
| 8 | 59M | 47M | 70.5M | 120M | 260K | 2w 3d 00h 00m 00s | 100% | 4.25M | 810K | 810K | |
| 9 | 95.5M | 76.5M | 115M | 195M | 380K | 4w 1d 00h 00m 00s | Valkyries' Citadel 21 | 130% | 6.4M | 1.2M | 1.2M |
| 10 | 150M | 120M | 180M | 300M | 550K | 6w 3d 00h 00m 00s | 160% | 9.45M | 1.7M | 1.7M | |
| 397.55M | 317.9M | 476.75M | 801M | 1.72M | 15w 4d 05h 00m 00s | 160% | 27.19M | 5.49M | 5.49M |
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