“Enhances Academy’s Research Speed”
| Level | Requirements | Bread | Wood | Stone | Iron | Gold | Upgrade Time | Power | Bonus |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Academy Lv. 26, Ward Expansion VI Lv. 1, Camp Expansion VI Lv. 1 | 1,300,000 | 1,300,000 | 260,000 | 66,000 | 22,000 | 3d 14:40:00 | 9,000 | +1.80% Research Speed |
| 2 | Tool Enhancement VI Lv. 1 | 1,800,000 | 1,800,000 | 370,000 | 92,000 | 31,000 | 5d 10:00:00 | 9,000 | +1.80% Research Speed |
| 3 | Tool Enhancement VI Lv. 2 | 3,900,000 | 3,900,000 | 790,000 | 190,000 | 67,000 | 14d 10:40:00 | 12,500 | +2.50% Research Speed |