3F Corridor: Survey research
Survey the visitors to improve the behaviors of butlers. The best stronghold deserves the best butlers.
- Category
- Stronghold and Slot Extension
- Time Taken
- 0d 09:00:00
- Required Action Energy
- 2,534
- Research Cost
- 315 Gold
- Stronghold XP gained
- 5,069
- Research Requirements
- Lab Lv. 8Stronghold Lv. 65 or aboveManor Lv. 83F Corridor: Refresh Program