Before attacking a Town, it's worth studying the territory around it carefully. This will help you smash your enemy's defenses and get over the walls with minimal losses. Upgrading this Knowledge increases the defense of your troops when attacking Towns.
| Level | Gold | Soul Shard | Time | Requirements | Troop Defense When Attacking Towns | Influence | Hero’s Experience |
| 1 | 110K | 22K | 6w 1d 00h 00m 00s | Training Speed 1, Oracle 36 | 1% | 12.5K | 31K |
| 2 | 170K | 32.5K | 63w 6d 00h 00m 00s> 1 Year(s) | Training Speed 2, Oracle 36 | 2% | 27.5K | 39.5K |
| 3 | 225K | 48K | 94w 5d 00h 00m 00s> 1 Year(s) | Training Speed 3, Oracle 36 | 3% | 62K | 50K |
| 4 | 280K | 71K | 140w 5d 00h 00m 00s> 2 Year(s) | Training Speed 4, Oracle 37 | 5% | 140K | 63K |
| 5 | 340K | 110K | 208w 6d 00h 00m 00s> 4 Year(s) | Training Speed 5, Oracle 37 | 7% | 315K | 79K |
| 6 | 400K | 160K | 310w 1d 00h 00m 00s> 5 Year(s) | Training Speed 6, Oracle 37 | 9% | 710K | 99.5K |
| 7 | 465K | 235K | 460w 4d 00h 00m 00s> 8 Year(s) | Training Speed 7, Oracle 37 | 12% | 1.65M | 125K |
| 8 | 565K | 345K | 683w 6d 00h 00m 00s> 13 Year(s) | Training Speed 8, Oracle 38 | 16% | 3.65M | 155K |
| 9 | 745K | 515K | 1 015w 4d 00h 00m 00s> 19 Year(s) | Training Speed 9, Oracle 38 | 20% | 8.2M | 190K |
| 10 | 1.15M | 760K | 1 508w 1d 00h 00m 00s> 28 Year(s) | Training Speed 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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