Your sages made a healing decoction that is essential in battle. It instantly relieves fatigue and replenishes energy. Upgrading this Knowledge increases your army's health during defense against tier III warriors.
| Level | Gold | Soul Shard | Time | Requirements | Increased Troop Health in Defense Against Tier III | Influence | Hero’s Experience |
| 1 | 570K | 10.5K | 48w 6d 00h 00m 00s | Oracle 31, Reinforcement Troop Speed II 1 | 0,5% | 160K | 510K |
| 2 | 710K | 15.5K | 72w 4d 00h 00m 00s> 1 Year(s) | Oracle 31, Reinforcement Troop Speed II 1 | 1% | 355K | 780K |
| 3 | 850K | 23K | 107w 5d 00h 00m 00s> 2 Year(s) | Oracle 32, Reinforcement Troop Speed II 2 | 1,5% | 800K | 1.15M |
| 4 | 990K | 34K | 159w 6d 00h 00m 00s> 3 Year(s) | Oracle 32, Reinforcement Troop Speed II 3 | 2% | 1.85M | 1.55M |
| 5 | 1.15M | 50K | 237w 3d 00h 00m 00s> 4 Year(s) | Oracle 33, Reinforcement Troop Speed II 4 | 2,5% | 4.1M | 2.1M |
| 6 | 1.3M | 74.5K | 352w 4d 00h 00m 00s> 6 Year(s) | Oracle 33, Reinforcement Troop Speed II 4 | 3% | 9.2M | 2.7M |
| 7 | 1.45M | 115K | 523w 4d 00h 00m 00s> 10 Year(s) | Oracle 34, Reinforcement Troop Speed II 5 | 4% | 21M | 3.5M |
| 8 | 1.7M | 165K | 777w 3d 00h 00m 00s> 14 Year(s) | Oracle 34, Reinforcement Troop Speed II 6 | 5% | 47M | 4.45M |
| 9 | 2.15M | 245K | 1 154w 2d 00h 00m 00s> 22 Year(s) | Oracle 35, Reinforcement Troop Speed II 7 | 6,5% | 110M | 5.6M |
| 10 | 3.1M | 365K | 1 714w 1d 00h 00m 00s> 32 Year(s) | Oracle 35, Reinforcement Troop Speed II 10 | 8% | 240M | 7M |
| 13.97M | 1.1M | 5 148w 3d 00h 00m 00s> 98 Year(s) | 65% | 434.47M | 29.34M |
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