“Enhances Wood Output in Sawmill”
| Level | Requirements | Bread | Wood | Stone | Iron | Gold | Upgrade Time | Power | Bonus |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Academy Lv. 23, Iron Mining III Lv. 1 | 880,000 | 880,000 | 170,000 | 44,000 | 25,000 | 13:53:20 | 2,080 | +8.00% Wood Output |
| 2 | Academy Lv. 24, Wood Output V Lv. 1 | 1,200,000 | 1,200,000 | 240,000 | 61,000 | 35,000 | 20:50:00 | 2,080 | +8.00% Wood Output |
| 3 | Academy Lv. 25, Wood Output V Lv. 2 | 2,600,000 | 2,600,000 | 530,000 | 130,000 | 76,000 | 2d 07:33:20 | 2,600 | +10.00% Wood Output |