Huge fortifications are needed to protect against huge weapons! Additional steel walls with spikes around the Fort will mitigate the attacks of enemy siege units. Let your foe know what a truly unassailable fortress looks like.
| Level | Scrolls | Precious Dust | Time | Requirements | Influence | Recovering after siege | Set a trap | Offense Against Enemy Siege | Enemy Siege Offense | ||||||||
| 1 | 125 000 | 375 | 188w 3d 12h 00m 00s> 3 Year(s) | Trap Workshop 2, Killer Trap III 1 | 19.5M | 1d 00h 00m 00s |  1K | 6% | 6% | ||||||||
| 2 | 165 000 | 520 | 260w 3d 00h 00m 00s> 4 Year(s) | Trap Workshop 3, Killer Trap III 2 | 19.5M | 1d 00h 00m 00s | 1K | 12% | 12% | ||||||||
| 3 | 220 000 | 755 | 378w 1d 12h 00m 00s> 7 Year(s) | Trap Workshop 3, Killer Trap III 3 | 20M | 1d 00h 00m 00s | 1K | 20% | 20% | ||||||||
| 4 | 295 000 | 1.15K | 577w 3d 00h 00m 00s> 11 Year(s) | Trap Workshop 3, Killer Trap III 4 | 20M | 1d 00h 00m 00s | 1K | 30% | 30% | ||||||||
| 5 | 405 000 | 1.85K | 926w 5d 00h 00m 00s> 17 Year(s) | Trap Workshop 3, Killer Trap III 5 | 20.5M | 1d 00h 00m 00s | 1K | 45% | 45% | ||||||||
| 6 | 570 000 | 3.15K | 1 563w 5d 00h 00m 00s> 29 Year(s) | Trap Workshop 3, Killer Trap III 6 | 20.5M | 1d 00h 00m 00s | 1K | 60% | 60% | ||||||||
| 7 | 820 000 | 5.55K | 2 773w 5d 00h 00m 00s> 53 Year(s) | Trap Workshop 4, Killer Trap III 7 | 20.5M | 1d 00h 00m 00s | 1K | 85% | 85% | ||||||||
| 8 | 1 200 000 | 10.5K | 5 172w 2d 00h 00m 00s> 99 Year(s) | Trap Workshop 4, Killer Trap III 8 | 21M | 1d 00h 00m 00s | 1K | 115% | 115% | ||||||||
| 9 | 1 800 000 | 20.5K | 10 139w 4d 12h 00m 00s> 194 Year(s) | Trap Workshop 4, Killer Trap III 9 | 21M | 1d 00h 00m 00s | 1K | 155% | 155% | ||||||||
| 10 | 2 750 000 | 8.35M | 42K | 86.35K | 20 896w 5d 12h 00m 00s> 400 Year(s) | 42 877w 3d 00h 00m 00s> 821 Year(s) | Trap Workshop 4, Killer Trap III 10 | 21.5M | 204M | 1d 00h 00m 00s | 1K | 200% | 200% | ||||
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