“Enhances Wood Output in Sawmill”
| Level | Requirements | Bread | Wood | Stone | Iron | Gold | Upgrade Time | Power | Bonus |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Academy Lv. 3, Bread Output I Lv. 1 | 5,400 | 5,400 | 1,000 | 270 | 320 | 00:00:27 | 1,040 | +4.00% Wood Output |
| 2 | Academy Lv. 4, Wood Output I Lv. 1 | 7,500 | 7,500 | 1,500 | 370 | 440 | 00:00:40 | 1,040 | +4.00% Wood Output |
| 3 | Academy Lv. 5, Wood Output I Lv. 2 | 16,000 | 16,000 | 3,200 | 810 | 960 | 00:01:48 | 1,430 | +5.50% Wood Output |