
Rapid Construction III
Base reference costs and prerequisites. Supported through level 5; each row shows an explicit upgrade transition.
Plan this upgradeUpgrade costs
| From → To | Wood | Food | Coins | Medals | Base work |
|---|---|---|---|---|---|
| 0 → 1 | 0 | 0 | 583,200 | 0 | 14h 42m |
| 1 → 2 | 0 | 0 | 583,200 | 0 | 14h 42m |
| 2 → 3 | 0 | 0 | 1,166,400 | 0 | 22h 2m |
| 3 → 4 | 0 | 0 | 1,166,400 | 0 | 22h 2m |
| 4 → 5 | 0 | 0 | 1,866,200 | 0 | 1d 6h 51m |
Requirements by target level
Level 1
- Food Production II level 5
- Wood Production II level 5
- Coins Production II level 5
- (Scholar Tower I level 11 OR Scholar Tower II level 11)
Level 2
- (Scholar Tower I level 11 OR Scholar Tower II level 11)
Level 3
- (Scholar Tower I level 12 OR Scholar Tower II level 12)
Level 4
- (Scholar Tower I level 12 OR Scholar Tower II level 12)
Level 5
- (Scholar Tower I level 13 OR Scholar Tower II level 13)
Reference research rows describe the level being reached. Prerequisites are expanded by the planner, including shared requirements once and all required building gates.
Reference snapshot: 24 October 2026. Community table agreement does not mean every value was independently verified in-game. View sources and uncertainty.