The Knowledge of how to increase your warriors' morale during the toughest battles will help your army crush the enemy like an avalanche! Upgrading this Knowledge increases your troops' defensive efficiency when attacking the enemy.
| Level | Scrolls | Precious Dust | Gold | Time | Requirements | Troop Defense Increase During Offense | Influence | |||||||||
| 1 | 250 | 10 | 41.5K | 1w 12h 00m 00s | 1 | 13M | ||||||||||
| 2 | 330 | 15 | 53K | 1w 3d 12h 00m 00s | Army defense in Onslaught 2 | 2nd, | >5 | 13M | | ||||||||
| 3 | 435 | 20 | 71.5K | 2w 1d 12h 00m 00s | Army defense in Onslaught 3 | 5 | 13.5M | |||||||||
| 4 | 585 | 30 | 97.5K | 3w 2d 00h 00m 00s | Army defense in Onslaught 4 | 8, | >5 | 13.5M | | ||||||||
| 5 | 810 | 45 | 145K | 5w 2d 00h 00m 00s | Army defense in Onslaught 5 | 14 | 13.5M | |||||||||
| 6 | 1 150 | 75 | 230K | 8w 6d 12h 00m 00s | Army defense in Onslaught 6 | 20 | 13.5M | |||||||||
| 7 | 1 650 | 130 | 380K | 15w 5d 12h 00m 00s | Army defense in Onslaught 7 | 30 | 14M | |||||||||
| 8 | 2 450 | 250 | 665K | 29w 3d 00h 00m 00s | Army defense in Onslaught 8 | 40 | 14M | |||||||||
| 9 | 3 600 | 490 | 1.25M | 57w 4d 12h 00m 00s> 1 Year(s) | Army defense in Onslaught 9 | 50 | 14M | |||||||||
| 10 | 5 500 | 16.76K | 1.05K | 2.12K | 2.4M | 5.33M | 118w 5d 12h 00m 00s> 2 Year(s) | 243w 6d 12h 00m 00s> 4 Year(s) | Army defense in Onslaught 10 | 60 | 60 | 5 | 14.5M | 136.5M |
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