
Extra Lumber Mill
Base reference costs and prerequisites. Supported through level 1; each row shows an explicit upgrade transition.
Plan this upgradeUpgrade costs
| From → To | Wood | Food | Coins | Medals | Base work |
|---|---|---|---|---|---|
| 0 → 1 | 0 | 0 | 15,200 | 0 | 41m |
Requirements by target level
Level 1
- Rapid Construction I level 5
- Research Upgrade I level 5
- (Scholar Tower I level 6 OR Scholar Tower II level 6)
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.