Fast Builder II
Increase construction speed
Max level: 5
Research levels
| Level |  Power |  Food |  Iron |  Coin | Base research time | Requirements |
|---|---|---|---|---|---|---|
| 1 | 500 | 30,400 | 30,400 | 91,100 | 27 min |
|
| 2 | 1,100 | 48,600 | 48,600 | 145,800 | 35 min |
|
| 3 | 1,900 | 77,800 | 77,800 | 233,300 | 46 min |
|
| 4 | 2,800 | 93,300 | 93,300 | 279,900 | 1 hr 8 min |
|
| 5 | 4,100 | 233,300 | 233,300 | 699,800 | 1 hr 42 min |
|