Your scouts have managed to obtain information about the weak spots of the enemy ranged troops. This will help your siege engines fight them more efficiently. Upgrading this Knowledge increases the offense of your siege engines against ranged troops.
| Level | Gold | Soul Shard | Time | Requirements | Siege Offense Against Ranged | Influence | Hero’s Experience |
| 1 | 135K | 26.5K | 51w 5d 00h 00m 00s | Killer offense during defense 1, Oracle 36 | 0,5% | 13K | 34K |
| 2 | 200K | 39K | 76w 5d 00h 00m 00s> 1 Year(s) | Killer offense during defense 2, Oracle 36 | 1% | 29K | 42.5K |
| 3 | 270K | 57.5K | 113w 6d 00h 00m 00s> 2 Year(s) | Killer offense during defense 3, Oracle 36 | 1,5% | 65.5K | 53K |
| 4 | 340K | 85.5K | 169w 1d 00h 00m 00s> 3 Year(s) | Killer offense during defense 4, Oracle 37 | 2% | 150K | 66K |
| 5 | 410K | 130K | 251w 1d 00h 00m 00s> 4 Year(s) | Killer offense during defense 5, Oracle 37 | 2,5% | 335K | 82.5K |
| 6 | 480K | 190K | 372w 6d 00h 00m 00s> 7 Year(s) | Killer offense during defense 6, Oracle 37 | 3% | 750K | 105K |
| 7 | 560K | 280K | 553w 5d 00h 00m 00s> 10 Year(s) | Killer offense during defense 7, Oracle 37 | 4% | 1.7M | 130K |
| 8 | 680K | 415K | 822w 2d 00h 00m 00s> 15 Year(s) | Killer offense during defense 8, Oracle 38 | 5% | 3.85M | 160K |
| 9 | 895K | 620K | 174w 3d 00h 00m 00s> 3 Year(s) | Killer offense during defense 9, Oracle 38 | 6,5% | 8.65M | 195K |
| 10 | 1.4M | 915K | 1 813w 1d 00h 00m 00s> 34 Year(s) | Killer offense during defense 10, Oracle 38 | 8% | 19.5M | 240K |
| 5.37M | 2.76M | 4 399w 00h 00m 00s> 84 Year(s) | 65% | 35.04M | 1.11M |
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