Efficient Healing
Decrease unit healing resource costs
Max level: 5
Research levels
| Level |  Power |  Food |  Iron |  Coin | Base research time | Requirements |
|---|---|---|---|---|---|---|
| 1 | 1,800 | 436,200 | 436,200 | 1,308,700 | 4 hr 50 min |
|
| 2 | 5,100 | 1,521,900 | 1,521,900 | 4,565,800 | 1 day 9 hr 2 min |
|
| 3 | 10,500 | 4,154,900 | 4,154,900 | 12,464,600 | 5 days 14 hr 45 min |
|
| 4 | 19,100 | 10,470,300 | 10,470,300 | 31,410,800 | 11 days 7 min |
|
| 5 | 30,100 | 17,014,200 | 17,014,200 | 51,042,600 | 18 days 14 hr 21 min |
|