“Enhances Infirmary Capacity”
| Level | Requirements | Bread | Wood | Stone | Iron | Gold | Upgrade Time | Power | Bonus |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Academy Lv. 15, Tooling Up IV Lv. 1 | 62,000 | 62,000 | 12,000 | 3,100 | 800 | 01:06:40 | 8,600 | +4,300 Infirmary Capacity |
| 2 | Academy Lv. 16, Ward Expansion IV Lv. 1 | 86,000 | 86,000 | 17,000 | 4,300 | 1,100 | 01:40:00 | 8,600 | +4,300 Infirmary Capacity |
| 3 | Academy Lv. 17, Ward Expansion IV Lv. 2 | 180,000 | 180,000 | 37,000 | 9,300 | 2,400 | 04:26:40 | 11,600 | +5,800 Infirmary Capacity |