“Enhances Bread Collection Speed”
| Level | Requirements | Bread | Wood | Stone | Iron | Gold | Upgrade Time | Power | Bonus |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Academy Lv. 21, Iron Output III Lv. 1 | 370,000 | 370,000 | 74,000 | 18,000 | 4,800 | 02:13:20 | 1,687 | +13.50% Bread Gathering Speed |
| 2 | Academy Lv. 22, Food Foraging IV Lv. 1 | 520,000 | 520,000 | 100,000 | 26,000 | 6,700 | 03:20:00 | 1,688 | +13.50% Bread Gathering Speed |
| 3 | Academy Lv. 23, Food Foraging IV Lv. 2 | 1,100,000 | 1,100,000 | 220,000 | 55,000 | 14,000 | 08:53:20 | 2,250 | +18.00% Bread Gathering Speed |