Improved provision supply and storage will allow your warriors to avoid diseases even on long marches or protracted raids on enemy fortresses. Conduct this Study to increase your army's health during an offense.
| Level | Drafts | Gold | Time | Requirements | Increased Army Health During Offense | Power |
| 1 | 250 | 41.5K | 1w 12h 00m 00s | Infirmaries' Capacity III 1, Scholars' Hall 4 | 1 | 13M |
| 2 | 330 | 53K | 1w 3d 12h 00m 00s | Infirmaries' Capacity III 2 | 3 | 13M |
| 3 | 435 | 71.5K | 2w 1d 12h 00m 00s | Infirmaries' Capacity III 3 | 5 | 13.5M |
| 4 | 585 | 97.5K | 3w 2d 00h 00m 00s | Infirmaries' Capacity III 4 | 9 | 13.5M |
| 5 | 810 | 145K | 5w 2d 00h 00m 00s | Infirmaries' Capacity III 5 | 14 | 13.5M |
| 6 | 1 150 | 230K | 8w 6d 12h 00m 00s | Infirmaries' Capacity III 6 | 20 | 13.5M |
| 7 | 1 650 | 380K | 15w 5d 12h 00m 00s | Infirmaries' Capacity III 7 | 30 | 14M |
| 8 | 2 450 | 665K | 29w 3d 00h 00m 00s | Infirmaries' Capacity III 8 | 40 | 14M |
| 9 | 3 600 | 1.25M | 57w 4d 12h 00m 00s> 1 Year(s) | Infirmaries' Capacity III 9 | 50 | 14M |
| 10 | 5 500 | 2.4M | 118w 5d 12h 00m 00s> 2 Year(s) | Infirmaries' Capacity III 10 | 60 | 14.5M |
| 16.76K | 5.33M | 243w 6d 12h 00m 00s> 4 Year(s) | 60 | 136.5M |
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