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 | Rations | Planks | Cast Iron | Marble | Tokens | Drafts | Time | Requirements | Infirmaries' capacity | Power |
| 1 | 50 | 250 | 100 | 200 | 100 | 100 | 1w 12h 00m 00s | 1 | 9M | |
| 2 | 70 | 340 | 140 | 200 | 140 | 130 | 1w 3d 00h 00m 00s | 2 | 9.1M | |
| 3 | 95 | 475 | 190 | 380 | 190 | 170 | 1w 6d 00h 00m 00s | 3 | 9.2M | |
| 4 | 135 | 675 | 270 | 540 | 270 | 220 | 2w 4d 00h 00m 00s | 4 | 9.3M | |
| 5 | 200 | 980 | 395 | 785 | 395 | 290 | 3w 5d 00h 00m 00s | 5 | 9.4M | |
| 6 | 295 | 1.5K | 585 | 1.2K | 585 | 390 | 5w 4d 00h 00m 00s | 7 | 9.45M | |
| 7 | 445 | 2.25K | 890 | 1.8K | 890 | 525 | 8w 5d 00h 00m 00s | 10 | 9.55M | |
| 8 | 690 | 3.45K | 1.4K | 2.8K | 1.4K | 720 | 14w 1d 00h 00m 00s | 13 | 9.65M | |
| 9 | 1.1K | 5.5K | 2.2K | 4.4K | 2.2K | 990 | 24w 00h 00m 00s | 18 | 9.75M | |
| 10 | 1.8K | 8.95K | 3.6K | 7.15K | 3.6K | 1 400 | 42w 3d 00h 00m 00s | 24 | 9.85M | |
| 4.88K | 24.37K | 9.77K | 19.46K | 9.77K | 4.94K | 105w 3d 12h 00m 00s> 2 Year(s) | 24 | 94.25M |
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