“Enhances Construction Speed”
| Level | Requirements | Bread | Wood | Stone | Iron | Gold | Upgrade Time | Power | Bonus |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Academy Lv. 19, Command Tactics III Lv. 1 | 440,000 | 440,000 | 88,000 | 22,000 | 12,000 | 13:53:20 | 8,000 | +1.60% Construction Speed |
| 2 | Academy Lv. 20, Tooling Up V Lv. 1 | 610,000 | 610,000 | 120,000 | 30,000 | 17,000 | 20:50:00 | 8,000 | +1.60% Construction Speed |
| 3 | Academy Lv. 21, Tooling Up V Lv. 2 | 1,300,000 | 1,300,000 | 260,000 | 66,000 | 38,000 | 2d 07:33:20 | 10,000 | +2.00% Construction Speed |