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 | Troop Health When Attacking Towns II 1, Oracle 36 | 1% | 15K | 37.5K |
| 2 | 170K | 32.5K | 63w 6d 00h 00m 00s> 1 Year(s) | Troop Health When Attacking Towns II 2, Oracle 36 | 4% | 33K | 47.5K |
| 3 | 225K | 48K | 94w 5d 00h 00m 00s> 1 Year(s) | Troop Health When Attacking Towns II 3, Oracle 37 | 8% | 74.5K | 60K |
| 4 | 280K | 71K | 140w 5d 00h 00m 00s> 2 Year(s) | Troop Health When Attacking Towns II 4, Oracle 37 | 13% | 170K | 76K |
| 5 | 340K | 110K | 208w 6d 00h 00m 00s> 4 Year(s) | Troop Health When Attacking Towns II 5, Oracle 38 | 18% | 380K | 95.5K |
| 6 | 400K | 160K | 310w 1d 00h 00m 00s> 5 Year(s) | Troop Health When Attacking Towns II 6, Oracle 38 | 25% | 860K | 120K |
| 7 | 465K | 235K | 460w 4d 00h 00m 00s> 8 Year(s) | Troop Health When Attacking Towns II 7, Oracle 39 | 34% | 1.95M | 150K |
| 8 | 565K | 345K | 683w 6d 00h 00m 00s> 13 Year(s) | Troop Health When Attacking Towns II 8, Oracle 39 | 45% | 4.4M | 190K |
| 9 | 745K | 515K | 1 015w 4d 00h 00m 00s> 19 Year(s) | Troop Health When Attacking Towns II 9, Oracle 40 | 58% | 9.9M | 230K |
| 10 | 1.15M | 760K | 1 508w 1d 00h 00m 00s> 28 Year(s) | Troop Health When Attacking Towns II 10, Oracle 40 | 75% | 22.5M | 285K |
| 4.45M | 2.3M | 4 492w 4d 00h 00m 00s> 86 Year(s) | 75% | 40.28M | 1.29M |
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