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 Slayer health.
| Level | Lumber | Iron | Stone | Silver | Gold | Time | Requirements | Increased Slayer Health | Influence | Hero’s Experience | Shaman's Experience |
| 1 | 470K | 375K | 565K | 940K | 2.8K | 00h 15m 00s | Valkyries' Citadel 1 | 1% | 250 | 7.5K | 7.5K |
| 2 | 505K | 405K | 605K | 1.05M | 4.55K | 00h 35m 00s | Valkyries' Citadel 2 | 5.5% | 13.5K | 21K | 21K |
| 3 | 595K | 475K | 710K | 1.2M | 6.35K | 01h 30m 00s | Valkyries' Citadel 3 | 10% | 27.5K | 35.5K | 35.5K |
| 4 | 880K | 705K | 1.1M | 1.8M | 8.65K | 04h 30m 00s | Valkyries' Citadel 5 | 15.5% | 45.5K | 54K | 54K |
| 5 | 1.65M | 1.3M | 1.95M | 3.25M | 12K | 12h 00m 00s | Valkyries' Citadel 6 | 22% | 71K | 80K | 80K |
| 6 | 3.15M | 2.5M | 3.75M | 6.25M | 17.5K | 1d 03h 00m 00s | Valkyries' Citadel 7 | 29.5% | 110K | 125K | 125K |
| 7 | 5.85M | 4.65M | 7M | 12M | 25.5K | 2d 09h 00m 00s | Valkyries' Citadel 8 | 39% | 175K | 185K | 185K |
| 8 | 10.5M | 8.2M | 12.5M | 20.5M | 37K | 4d 06h 00m 00s | Valkyries' Citadel 10 | 50.5% | 265K | 280K | 280K |
| 9 | 17.5M | 14M | 20.5M | 34.5M | 54.5K | 1w 1d 00h 00m 00s | Valkyries' Citadel 11 | 64% | 400K | 420K | 420K |
| 10 | 27M | 22M | 32.5M | 54M | 79K | 1w 5d 00h 00m 00s | Valkyries' Citadel 12 | 80% | 590K | 610K | 610K |
| 68.1M | 54.61M | 81.18M | 135.49M | 247.85K | 4w 12h 50m 00s | 80% | 1.7M | 1.82M | 1.82M |
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