Reading general medical books and regular practice bear fruit. As your healers discover the secrets of medicine, they heal more injured warriors. Conduct this Study to increase the capacity of Infirmaries.
| Level | Drafts | Gold | Time | Requirements | Infirmaries' capacity | Power |
| 1 | 250 | 41.5K | 1w 12h 00m 00s | Scholars' Hall 4, Scouting Speed 1 | 5 | 13M |
| 2 | 315 | 50.5K | 1w 3d 00h 00m 00s | Scouting Speed 2 | 10 | 13M |
| 3 | 400 | 62K | 1w 6d 12h 00m 00s | Scouting Speed 3 | 15 | 13.5M |
| 4 | 520 | 80.5K | 2w 5d 00h 00m 00s | Scouting Speed 4 | 20 | 13.5M |
| 5 | 690 | 115K | 4w 12h 00m 00s | Scouting Speed 5 | 30 | 13.5M |
| 6 | 930 | 165K | 6w 3d 00h 00m 00s | Scouting Speed 6 | 40 | 13.5M |
| 7 | 1 300 | 260K | 10w 4d 12h 00m 00s | Scouting Speed 7 | 50 | 14M |
| 8 | 1 850 | 420K | 18w 4d 00h 00m 00s | Scouting Speed 8 | 65 | 14M |
| 9 | 2 600 | 725K | 34w 00h 00m 00s | Scouting Speed 9 | 80 | 14M |
| 10 | 3 800 | 1.35M | 65w 3d 12h 00m 00s> 1 Year(s) | Scouting Speed 10 | 100 | 14.5M |
| 12.66K | 3.27M | 146w 2d 12h 00m 00s> 2 Year(s) | 100 | 136.5M |
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