Implement saving campaign research
It's time to reduce the amount of oil for light. Save and save more!
- Category
- Cost Reduction
- Time Taken
- 0d 08:00:00
- Required Action Energy
- 2,304
- Research Cost
- 2,500 Silver
- Stronghold XP gained
- 4,608
- Research Requirements
- Lab Lv. 2Stronghold Lv. 10 or aboveLab Lv. 2