Breakthroughs in healing remedies make it possible to save even more wounded warriors. Upgrading this Knowledge increases the Infirmaries’ capacity.
| Level | Scrolls | Precious Dust | Gold | Time | Requirements | Increased Infirmaries Capacity | Influence |
| 1 | 250 | 10 | 41.5K | 1w 12h 00m 00s | 5 | 13M | |
| 2 | 315 | 15 | 50.5K | 1w 3d 00h 00m 00s | Scout speed 2 | 10 | 13M |
| 3 | 400 | 20 | 62K | 1w 6d 12h 00m 00s | Scout speed 3 | 15 | 13.5M |
| 4 | 520 | 25 | 80.5K | 2w 5d 00h 00m 00s | Scout speed 4 | 20 | 13.5M |
| 5 | 690 | 40 | 115K | 4w 12h 00m 00s | Scout speed 5 | 30 | 13.5M |
| 6 | 930 | 70 | 165K | 6w 3d 00h 00m 00s | Scout speed 6 | 40 | 13.5M |
| 7 | 1 300 | 120 | 260K | 10w 4d 12h 00m 00s | Scout speed 7 | 50 | 14M |
| 8 | 1 850 | 220 | 420K | 18w 4d 00h 00m 00s | Scout speed 8 | 65 | 14M |
| 9 | 2 600 | 435 | 725K | 34w 00h 00m 00s | Scout speed 9 | 80 | 14M |
| 10 | 3 800 | 890 | 1.35M | 65w 3d 12h 00m 00s> 1 Year(s) | Scout speed 10 | 100 | 14.5M |
| 12.66K | 1.85K | 3.27M | 146w 2d 12h 00m 00s> 2 Year(s) | 100 | 136.5M |
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