“Enhances Academy’s Research Speed”
| Level | Requirements | Bread | Wood | Stone | Iron | Gold | Upgrade Time | Power | Bonus |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Academy Lv. 6, Ward Expansion II Lv. 1, Camp Expansion II Lv. 1 | 22,000 | 22,000 | 4,500 | 1,100 | 280 | 00:06:30 | 3,000 | +0.60% Research Speed |
| 2 | Academy Lv. 7, Tool Enhancement II Lv. 1 | 32,000 | 32,000 | 6,400 | 1,600 | 390 | 00:09:45 | 3,000 | +0.60% Research Speed |
| 3 | Academy Lv. 8, Tool Enhancement II Lv. 2 | 68,000 | 68,000 | 13,000 | 3,400 | 840 | 00:26:00 | 5,000 | +1.00% Research Speed |