It is always easier to fight in familiar territory. If your warriors know the Town well, they can easily hide from pursuers in its labyrinth of streets or take a shortcut. Upgrading this Knowledge increases the defense of your troops when defending Towns.
| Level | Gold | Soul Shard | Time | Requirements | Troop Defense When Defending Towns | Influence | Hero’s Experience |
| 1 | 110K | 22K | 6w 1d 00h 00m 00s | Training Limit I 1, Oracle 36 | 1% | 12.5K | 31K |
| 2 | 170K | 32.5K | 63w 6d 00h 00m 00s> 1 Year(s) | Training Limit I 2, Oracle 36 | 2% | 27.5K | 39.5K |
| 3 | 225K | 48K | 94w 5d 00h 00m 00s> 1 Year(s) | Training Limit I 3, Oracle 36 | 3% | 62K | 50K |
| 4 | 280K | 71K | 140w 5d 00h 00m 00s> 2 Year(s) | Training Limit I 4, Oracle 37 | 5% | 140K | 63K |
| 5 | 340K | 110K | 208w 6d 00h 00m 00s> 4 Year(s) | Training Limit I 5, Oracle 37 | 7% | 315K | 79K |
| 6 | 400K | 160K | 310w 1d 00h 00m 00s> 5 Year(s) | Training Limit I 6, Oracle 37 | 9% | 710K | 99.5K |
| 7 | 465K | 235K | 460w 4d 00h 00m 00s> 8 Year(s) | Training Limit I 7, Oracle 37 | 12% | 1.65M | 125K |
| 8 | 565K | 345K | 683w 6d 00h 00m 00s> 13 Year(s) | Training Limit I 8, Oracle 38 | 16% | 3.65M | 155K |
| 9 | 745K | 515K | 1 015w 4d 00h 00m 00s> 19 Year(s) | Training Limit I 9, Oracle 38 | 20% | 8.2M | 190K |
| 10 | 1.15M | 760K | 1 508w 1d 00h 00m 00s> 28 Year(s) | Training Limit I 10, Oracle 38 | 25% | 18.5M | 235K |
| 4.45M | 2.3M | 4 492w 4d 00h 00m 00s> 86 Year(s) | 25% | 33.27M | 1.07M |
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