“Enhances Infirmary Capacity”
| Level | Requirements | Bread | Wood | Stone | Iron | Gold | Upgrade Time | Power | Bonus |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Academy Lv. 1, Tooling Up I Lv. 1 | 670 | 670 | 130 | 30 | 40 | 00:00:13 | 1,080 | +540 Infirmary Capacity |
| 2 | Academy Lv. 2, Ward Expansion I Lv. 1 | 940 | 940 | 180 | 40 | 50 | 00:00:20 | 1,080 | +540 Infirmary Capacity |
| 3 | Academy Lv. 3, Ward Expansion I Lv. 2 | 2,000 | 2,000 | 400 | 100 | 120 | 00:00:54 | 1,440 | +720 Infirmary Capacity |