Experienced warriors know that a deep trench can significantly hinder enemy plans during a melee attack and prevent an opponent from digging unwelcome tunnels.
| Level | Scrolls | Precious Dust | Time | Requirements | Influence | Recovering after siege | Set a trap | Enemy Melee Offense |
| 1 | 42 000 | 130 | 61w 12h 00m 00s> 1 Year(s) | Trap Workshop 1 | 6.45M | 1d 00h 00m 00s |  100 | 3% |
| 2 | 54 500 | 175 | 84w 3d 00h 00m 00s> 1 Year(s) | Trap Workshop 1 | 6.5M | 1d 00h 00m 00s | 100 | 6% |
| 3 | 72 000 | 255 | 122w 4d 00h 00m 00s> 2 Year(s) | Trap Workshop 2 | 6.6M | 1d 00h 00m 00s | 100 | 10% |
| 4 | 97 500 | 390 | 187w 12h 00m 00s> 3 Year(s) | Trap Workshop 2 | 6.65M | 1d 00h 00m 00s | 100 | 15% |
| 5 | 135 000 | 620 | 300w 2d 00h 00m 00s> 5 Year(s) | Trap Workshop 2 | 6.7M | 1d 00h 00m 00s | 100 | 21% |
| 6 | 190 000 | 1.05K | 506w 4d 12h 00m 00s> 9 Year(s) | Trap Workshop 3 | 6.75M | 1d 00h 00m 00s | 100 | 30% |
| 7 | 275 000 | 1.9K | 898w 5d 00h 00m 00s> 17 Year(s) | Trap Workshop 3 | 6.85M | 1d 00h 00m 00s | 100 | 45% |
| 8 | 400 000 | 3.5K | 1 675w 6d 00h 00m 00s> 32 Year(s) | Trap Workshop 3 | 6.9M | 1d 00h 00m 00s | 100 | 60% |
| 9 | 600 000 | 6.8K | 3 285w 2d 00h 00m 00s> 62 Year(s) | Trap Workshop 3 | 7M | 1d 00h 00m 00s | 100 | 75% |
| 10 | 915 000 | 14K | 6 770w 4d 00h 00m 00s> 129 Year(s) | Trap Workshop 3 | 7.05M | 1d 00h 00m 00s | 100 | 100% |
| 2.78M | 28.82K | 13 892w 3d 12h 00m 00s> 266 Year(s) | 67.45M |
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