The Inactima prius infusion not only boosts your warriors' immune system but also increases their endurance. Regular use will allow them to remain tireless in battle. This upgrade will increase your Slingers' health reserve.
| Level | Food | Lumber | Stone | Silver | Gold | Time | Requirements | The Inactima prius infusion not only boosts your warriors' immune system but also increases their endurance. Regular use will allow them to remain tireless in battle. This upgrade will increase your Slingers' health reserve. | Power | Hero's Experience |
| 1 | 470K | 565K | 375K | 940K | 2.8K | 00h 15m 00s | Alchemical Laboratory 1 | 1% | 250 | 7.5K |
| 2 | 505K | 605K | 405K | 1.05M | 4.55K | 00h 35m 00s | Alchemical Laboratory 2 | 5.5% | 13.5K | 21K |
| 3 | 595K | 710K | 475K | 1.2M | 6.35K | 01h 30m 00s | Alchemical Laboratory 3 | 10% | 27.5K | 35.5K |
| 4 | 880K | 1.1M | 705K | 1.8M | 8.65K | 04h 30m 00s | Alchemical Laboratory 5 | 15.5% | 45.5K | 54K |
| 5 | 1.65M | 1.95M | 1.3M | 3.25M | 12K | 12h 00m 00s | Alchemical Laboratory 6 | 22% | 71K | 80K |
| 6 | 3.15M | 3.75M | 2.5M | 6.25M | 17.5K | 1d 03h 00m 00s | Alchemical Laboratory 7 | 29.5% | 110K | 125K |
| 7 | 5.85M | 7M | 4.65M | 12M | 25.5K | 2d 09h 00m 00s | Alchemical Laboratory 8 | 39% | 175K | 185K |
| 8 | 10.5M | 12.5M | 8.2M | 20.5M | 37K | 4d 06h 00m 00s | Alchemical Laboratory 10 | 50.5% | 265K | 280K |
| 9 | 17.5M | 20.5M | 14M | 34.5M | 54.5K | 1w 1d 00h 00m 00s | Alchemical Laboratory 11 | 64% | 400K | 420K |
| 10 | 27M | 32.5M | 22M | 54M | 79K | 1w 5d 00h 00m 00s | Alchemical Laboratory 12 | 80% | 590K | 610K |
| 68.1M | 81.18M | 54.61M | 135.49M | 247.85K | 4w 12h 50m 00s | 80% | 1.7M | 1.82M |
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