“Enhances Construction Speed”
| Level | Requirements | Bread | Wood | Stone | Iron | Gold | Upgrade Time | Power | Bonus |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Academy Lv. 14, Command Tactics II Lv. 1 | 240,000 | 240,000 | 49,000 | 12,000 | 3,200 | 02:13:20 | 6,000 | +1.20% Construction Speed |
| 2 | Academy Lv. 15, Tooling Up IV Lv. 1 | 340,000 | 340,000 | 69,000 | 17,000 | 4,400 | 03:20:00 | 6,000 | +1.20% Construction Speed |
| 3 | Academy Lv. 16, Tooling Up IV Lv. 2 | 740,000 | 740,000 | 140,000 | 37,000 | 9,600 | 08:53:20 | 7,500 | +1.50% Construction Speed |