Your Clan's warriors have often explored labyrinthine Fortresses, chasing foes or searching for cover. If they share the locations of secret passages and stashes of provisions, they'll win more battles. This Knowledge increases the offense of your troops in battles for Fortresses.
| Level | Scrolls | Precious Dust | Time | Increased Troop Offense in Fortresses | Influence |
| 1 | 3 750 | 70 | 29w 12h 00m 00s | 5 | 13M |
| 2 | 5 000 | 80 | 31w 4d 12h 00m 00s | 15 | 13M |
| 3 | 6 700 | 92 | 35w 3d 12h 00m 00s | 25 | 13.5M |
| 4 | 9 050 | 106 | 41w 12h 00m 00s | 35 | 13.5M |
| 5 | 12 500 | 122 | 49w 1d 00h 00m 00s | 45 | 13.5M |
| 6 | 17 500 | 143 | 60w 4d 12h 00m 00s> 1 Year(s) | 55 | 13.5M |
| 7 | 24 000 | 167 | 77w 2d 00h 00m 00s> 1 Year(s) | 65 | 14M |
| 8 | 33 500 | 196 | 101w 4d 12h 00m 00s> 1 Year(s) | 75 | 14M |
| 9 | 47 500 | 232 | 138w 00h 00m 00s> 2 Year(s) | 85 | 14M |
| 10 | 68 500 | 275 | 193w 3d 00h 00m 00s> 3 Year(s) | 100 | 14.5M |
| 228K | 1.48K | 757w 3d 00h 00m 00s> 14 Year(s) | 100 | 136.5M |
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