Vikings are fated to endure relentless tests of their courage and might. The braver and fiercer warriors are in battle, the higher their chances are of survival and victory. In the Valkyries' Citadel, you can increase your Berserker defense.
| Level | Lumber | Iron | Stone | Silver | Gold | Time | Requirements | Increased Berserker Defense | 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 18h 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 4d 00h 00m 00s | 100% | 4.25M | 810K | 810K | |
| 9 | 95.5M | 76.5M | 115M | 195M | 380K | 4w 2d 00h 00m 00s | Valkyries' Citadel 21 | 130% | 6.4M | 1.2M | 1.2M |
| 10 | 150M | 120M | 180M | 300M | 550K | 6w 5d 00h 00m 00s | 160% | 9.45M | 1.7M | 1.7M | |
| 397.55M | 317.9M | 476.75M | 801M | 1.72M | 16w 1d 08h 00m 00s | 160% | 27.19M | 5.49M | 5.49M |
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