“Enhances Academy’s Research Speed”
| Level | Requirements | Bread | Wood | Stone | Iron | Gold | Upgrade Time | Power | Bonus |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Academy Lv. 1, Ward Expansion I Lv. 1, Camp Expansion I Lv. 1 | 2,200 | 2,200 | 450 | 110 | 140 | 00:00:35 | 2,000 | +0.40% Research Speed |
| 2 | Academy Lv. 2, Tool Enhancement I Lv. 1 | 3,200 | 3,200 | 640 | 160 | 190 | 00:00:52 | 2,000 | +0.40% Research Speed |
| 3 | Academy Lv. 3, Tool Enhancement I Lv. 2 | 6,800 | 6,800 | 1,300 | 340 | 420 | 00:02:20 | 2,500 | +0.50% Research Speed |