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 | Food | Lumber | Iron | Stone | Silver | Gold | Time | Requirements | Increased Army Health During Offense | Power | Hero's Experience |
| 1 | 9.4M | 56.5M | 56.5M | 56.5M | 60M | 290K | 9w 1d 00h 00m 00s | 1% | 470K | 205K | |
| 2 | 18M | 110M | 110M | 110M | 115M | 395K | 13w 5d 00h 00m 00s | 4% | 1.1M | 235K | |
| 3 | 34M | 205M | 205M | 205M | 220M | 545K | 20w 4d 00h 00m 00s | 8% | 2.4M | 265K | |
| 4 | 64.5M | 390M | 390M | 390M | 415M | 755K | 30w 6d 00h 00m 00s | 12% | 5.45M | 310K | |
| 5 | 125M | 740M | 740M | 740M | 785M | 1.05M | 46w 2d 00h 00m 00s | 16% | 12.5M | 360K | |
| 6 | 235M | 1.4B | 1.4B | 1.4B | 1.5B | 1.5M | 69w 3d 00h 00m 00s> 1 Year(s) | 21% | 28M | 425K | |
| 7 | 445M | 2.7B | 2.7B | 2.7B | 2.85B | 2.1M | 104w 1d 00h 00m 00s> 1 Year(s) | 27% | 62.5M | 505K | |
| 8 | 845M | 5.05B | 5.05B | 5.05B | 5.4B | 2.95M | 156w 2d 00h 00m 00s> 2 Year(s) | 33% | 145M | 600K | |
| 9 | 1.6B | 9.6B | 9.6B | 9.6B | 10.5B | 4.15M | 234w 3d 00h 00m 00s> 4 Year(s) | 41% | 320M | 715K | |
| 10 | 3.05B | 18.5B | 18.5B | 18.5B | 19.5B | 5.9M | 351w 4d 00h 00m 00s> 6 Year(s) | 50% | 720M | 855K | |
| 6.43B | 38.75B | 38.75B | 38.75B | 41.35B | 19.64M | 1 036w 3d 00h 00m 00s> 19 Year(s) | 50% | 1.3B | 4.48M |
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