Boosts iron mining speed. Current boost: 29.8%
Levels
| Lv | Cooldown | Cost | Iron Efficiency Boost |
|---|---|---|---|
| 1 | 01:34:00 |
|
2.0% |
|
Iron Efficiency Boost: 2.0% |
|||
| 2 | 01:41:00 |
|
3.4% |
|
Iron Efficiency Boost: 3.4% |
|||
| 3 | 01:48:10 |
|
5.0% |
|
Iron Efficiency Boost: 5.0% |
|||
| 4 | 01:55:10 |
|
7.0% |
|
Iron Efficiency Boost: 7.0% |
|||
| 5 | 02:02:10 |
|
9.4% |
|
Iron Efficiency Boost: 9.4% |
|||
| 6 | 02:09:10 |
|
12.2% |
|
Iron Efficiency Boost: 12.2% |
|||
| 7 | 02:16:20 |
|
15.6% |
|
Iron Efficiency Boost: 15.6% |
|||
| 8 | 02:23:20 |
|
19.6% |
|
Iron Efficiency Boost: 19.6% |
|||
| 9 | 02:30:20 |
|
24.2% |
|
Iron Efficiency Boost: 24.2% |
|||
| 10 | 02:37:30 |
|
29.8% |
|
Iron Efficiency Boost: 29.8% |
|||
Required
Upgrade and unlock the following tech to research
| Lv | Tech |
|---|---|
| 1 | |
| 5 | |
| 9 |
