Enhances Infantry Lethality
| Level | Prerequisites | Research Cost | Time | Bonus | Power |
|---|---|---|---|---|---|
| 1 |
Research Center 18 Regimental Expansion III 1 |
|
00:50:00 |
Infantry Lethality: 2.50% |
3500 |
| 2 |
Research Center 18 |
|
01:00:00 |
Infantry Lethality: 2.50% |
3500 |
| 3 |
Research Center 19 |
|
01:40:00 |
Infantry Lethality: 2.50% |
3500 |
| 4 |
Research Center 20 |
|
05:00:00 |
Infantry Lethality: 4.00% |
5600 |