A common goal unites and emboldens. Warriors won't flinch in the face of danger and will furiously fight to the last breath! Upgrading this Knowledge increases your troops' offense when guarding Fortresses.
| Level | Scrolls | Precious Dust | Gold | Time | Requirements | Troop Offense When Guarding Fortresses | Influence | |
| 1 | 250 | 10 | 41.5K | 1w 12h 00m 00s | 1 | 13M | ||
| 2 | 330 | 15 | 53K | 1w 3d 12h 00m 00s | Number of Scouts in a Troop 2 | 2nd, | >5 | 13M | |
| 3 | 435 | 20 | 71.5K | 2w 1d 12h 00m 00s | Number of Scouts in a Troop 3 | 5 | 13.5M | |
| 4 | 585 | 25 | 97.5K | 3w 2d 00h 00m 00s | Number of Scouts in a Troop 4 | 8, | >5 | 13.5M | |
| 5 | 810 | 40 | 145K | 5w 2d 00h 00m 00s | Number of Scouts in a Troop 5 | 14 | 13.5M | |
| 6 | 1 150 | 70 | 230K | 8w 6d 12h 00m 00s | Number of Scouts in a Troop 6 | 20 | 13.5M | |
| 7 | 1 650 | 120 | 380K | 15w 5d 12h 00m 00s | Number of Scouts in a Troop 7 | 30 | 14M | |
| 8 | 2 450 | 220 | 665K | 29w 3d 00h 00m 00s | Number of Scouts in a Troop 8 | 40 | 14M | |
| 9 | 3 600 | 435 | 1.25M | 57w 4d 12h 00m 00s> 1 Year(s) | Number of Scouts in a Troop 9 | 50 | 14M | |
| 10 | 5 500 | 890 | 2.4M | 118w 5d 12h 00m 00s> 2 Year(s) | Number of Scouts in a Troop 10 | 60 | 14.5M | |
| 16.76K | 1.85K | 5.33M | 243w 6d 12h 00m 00s> 4 Year(s) | 60 | 5 | 136.5M |
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