Fast Builder I
Increase construction speed
Max level: 5
Research levels
| Level |  Power |  Food |  Iron |  Coin | Base research time | Requirements |
|---|---|---|---|---|---|---|
| 1 | 100 | 500 | 500 | 1,500 | 5 min |
|
| 2 | 200 | 800 | 800 | 2,300 | 6 min |
|
| 3 | 300 | 1,100 | 1,100 | 3,400 | 8 min |
|
| 4 | 500 | 1,700 | 1,700 | 5,100 | 10 min |
|
| 5 | 700 | 2,500 | 2,500 | 7,600 | 13 min |
|