“Enhances Construction Speed”
| Level | Requirements | Bread | Wood | Stone | Iron | Gold | Upgrade Time | Power | Bonus |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Academy Lv. 2, Command Tactics I Lv. 1 | 27,000 | 27,000 | 5,400 | 1,300 | 320 | 00:05:00 | 3,000 | +0.60% Construction Speed |
| 2 | Academy Lv. 3, Tooling Up II Lv. 1 | 37,000 | 37,000 | 7,500 | 1,800 | 440 | 00:07:30 | 3,000 | +0.60% Construction Speed |
| 3 | Academy Lv. 4 Tooling Up II Lv. 2 | 81,000 | 81,000 | 16,000 | 4,000 | 960 | 00:20:00 | 5,000 | +1.00% Construction Speed |