No obstacle is too great for a Viking scout. Thanks to their endurance, these warriors easily climb over high walls, swim across broad ditches, and quickly subdue enemy guards if necessary. In the Valkyries' Citadel, you can increase your Infiltrator health.
| Level | Lumber | Iron | Stone | Silver | Gold | Time | Requirements | Increased Infiltrator Health | Influence | Hero’s Experience | Shaman's Experience |
| 1 | 3.95M | 2.65M | 3.3M | 6.6M | 9.75K | 01h 30m 00s | 1% | 1K | 50K | 50K | |
| 2 | 4.1M | 2.75M | 3.4M | 6.8M | 16K | 02h 00m 00s | Valkyries' Citadel 13 | 7.5% | 54K | 78K | 78K |
| 3 | 4.4M | 2.95M | 3.7M | 7.35M | 22K | 04h 00m 00s | Valkyries' Citadel 14 | 15% | 115K | 110K | 110K |
| 4 | 5.5M | 3.65M | 4.6M | 9.15M | 30K | 10h 00m 00s | 23% | 185K | 150K | 150K | |
| 5 | 8.2M | 5.45M | 6.85M | 14M | 41.5K | 1d 03h 00m 00s | Valkyries' Citadel 16 | 32.5% | 285K | 205K | 205K |
| 6 | 14M | 9.2M | 11.5M | 23M | 59.5K | 2d 09h 00m 00s | Valkyries' Citadel 16 | 44.5% | 445K | 285K | 285K |
| 7 | 24M | 16M | 20M | 40M | 87K | 4d 15h 00m 00s | Valkyries' Citadel 17 | 58.5% | 690K | 415K | 415K |
| 8 | 40.5M | 27M | 34M | 67.5M | 130K | 1w 2d 00h 00m 00s | 75.5% | 1.1M | 615K | 615K | |
| 9 | 66M | 44M | 55M | 110M | 190K | 2w 1d 00h 00m 00s | Valkyries' Citadel 19 | 95.5% | 1.6M | 900K | 900K |
| 10 | 105M | 68.5M | 85.5M | 175M | 275K | 3w 2d 00h 00m 00s | 120% | 2.4M | 1.3M | 1.3M | |
| 275.65M | 182.15M | 227.85M | 459.4M | 860.75K | 7w 6d 20h 30m 00s | 120% | 6.88M | 4.11M | 4.11M |
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