Barracks Expansion II
Increase units trained per training
Max level: 5
Research levels
| Level |  Power |  Food |  Iron |  Coin | Base research time | Requirements |
|---|---|---|---|---|---|---|
| 1 | 800 | 77,800 | 77,800 | 233,300 | 46 min |
|
| 2 | 1,700 | 93,300 | 93,300 | 279,900 | 1 hr 8 min |
|
| 3 | 3,000 | 233,300 | 233,300 | 699,800 | 1 hr 42 min |
|
| 4 | 4,700 | 396,600 | 396,600 | 1,189,700 | 2 hr 33 min |
|
| 5 | 6,500 | 436,200 | 436,200 | 1,308,700 | 4 hr 50 min |
|