Research Upgrade 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 | 1,866,200 | 0 | 1d 6h 51m |
| 1 → 2 | 0 | 0 | 1,866,200 | 0 | 1d 6h 51m |
| 2 → 3 | 0 | 0 | 3,732,500 | 0 | 1d 16h 6m |
| 3 → 4 | 0 | 0 | 3,732,500 | 0 | 1d 16h 6m |
| 4 → 5 | 0 | 0 | 5,972,000 | 0 | 2d 4h 8m |
Requirements by target level
Level 1
- Food Gathering II level 1
- Wood Gathering II level 1
- Coin Gathering II level 1
- (Scholar Tower I level 13 OR Scholar Tower II level 13)
Level 2
- (Scholar Tower I level 13 OR Scholar Tower II level 13)
Level 3
- (Scholar Tower I level 14 OR Scholar Tower II level 14)
Level 4
- (Scholar Tower I level 14 OR Scholar Tower II level 14)
Level 5
- (Scholar Tower I level 15 OR Scholar Tower II level 15)
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.