By researching the properties of various herbs, your healers will be able to improve the recipe for a potion that helps wounds to heal faster. Upgrading this Knowledge will boost the healing speed of warriors in the Infirmary.
| Level | Gold | Soul Shard | Time | Requirements | Warrior Healing Speed | Influence | Hero’s Experience | ||||||||
| 1 | 87K | 17.5K | 34w 3d 00h 00m 00s | Silver Supply 1, Oracle 36 | 3% | 15.5K | 41K | ||||||||
| 2 | 135K | 26K | 51w 1d 00h 00m 00s | Silver Supply 2, Oracle 36 | 6% | 35K | 51K | ||||||||
| 3 | 180K | 38.5K | 10w 6d 00h 00m 00s | Silver Supply 3, Oracle 37 | 9% | 79K | 64K | ||||||||
| 4 | 225K | 57K | 112w 5d 00h 00m 00s> 2 Year(s) | Silver Supply 4, Oracle 37 | 13% | 180K | 80K | ||||||||
| 5 | 275K | 84.5K | 167w 3d 00h 00m 00s> 3 Year(s) | Silver Supply 5, Oracle 38 | 18% | 405K | 99.5K | ||||||||
| 6 | 320K | 130K | 248w 4d 00h 00m 00s> 4 Year(s) | Silver Supply 6, Oracle 38 | 25% | 910K | 125K | ||||||||
| 7 | 375K | 190K | 369w 1d 00h 00m 00s> 7 Year(s) | Silver Supply 7, Oracle 39 | 33% | 2.05M | 155K | ||||||||
| 8 | 455K | 280K | 548w 1d 00h 00m 00s> 10 Year(s) | Silver Supply 8, Oracle 39 | 43% | 4.65M | 195K | ||||||||
| 9 | 600K | 415K | 116w 2d 00h 00m 00s> 2 Year(s) | Silver Supply 9, Oracle 40 | 55% | 10.5M | 235K | ||||||||
| 10 | 915K | 3.57M | 610K | 1.85M | 1 208w 6d 00h 00m 00s> 23 Year(s) | 2 867w 4d 00h 00m 00s> 54 Year(s) | Silver Supply 10, Oracle 40 | 70% | 70% | 24M | 42.82M | 290K | 1.34M |
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