Invention of the solar energy collector research
Thanks to this amazing invention, workers have succeeded in creating an extremely efficient working environment.
- Category
- Increase Action Energy
- Time Taken
- 0d 12:00:00
- Required Action Energy
- 3,456
- Research Cost
- 315 Gold
- Stronghold XP gained
- 6,912
- Research Requirements
- Lab Lv. 6Stronghold Lv. 50 or aboveManor Lv. 6Automated machines introduction