In this post, we will tell you the Upgrade Requirements and Upgrade time for the Construction Hall building in the Dark War Survival game. When we upgrade this building it will increase the Construction speed and CP.
Now, you need three things to Upgrade any building in Dark War Survival: Wood, Energy, and Iron. As you can see in the table below, we have mentioned every Upgrade Requirement of the Construction Hall.
Construction Hall Upgrade Requirements
| Level | Requirements | Iron | Wood | Energy | Upgrade Time |
| 1 | N/A | N/A | 80 | N/A | 10 Sec |
| 2 | N/A | N/A | 480 | N/A | 56 Sec |
| 3 | N/A | 640 | 640 | N/A | 30 Sec |
| 4 | N/A | 400 | 400 | N/A | 1:51 min |
| 5 | Watchtower Level 6 | 4.3K | 4.3K | 4.3K | 6:07 Min |
| 6 | Watchtower Level 7 | 13K | 13K | 13K | 12:13 Min |
| 7 | Watchtower Level 8 | 24K | 24K | 24K | 22:49 Min |
| 8 | Watchtower Level 9 | 46K | 46K | 46K | 41:02 Min |
| 9 | Watchtower Level 10 | 220K | 220K | 220K | 2:39:42 Min |
| 10 | Watchtower Level 11 | 550K | 550K | 550K | 3:19:27 Min |
| 11 | Watchtower Level 12 | 940K | 940K | 940K | 3:59:07 Min |