Lab Lv. 5 research
Expand the upper part of the lab. It's small, but it can hold many research devices.
- Category
- Building Upgrade
- Research Effect
- Lab Building Upgrade
- Time Taken
- 1d 00:00:00
- Required Action Energy
- 6,912
- Research Cost
- 630 Gold
- Stronghold XP gained
- 13,824
- Research Requirements
- Lab Lv. 4Stronghold Lv. 35 or above