研究
Close Combat I
CategoryBattle
Queuemain
Tier1
Research levels
| Level | Effects | Prerequisites | Costs | Power | Time |
|---|---|---|---|---|---|
| 1 | Infantry Lethality 1.25% (1.25) | building: research-center 7；research: regimental-expansion-i 1 | Coal × 670、Iron × 160、Meat × 3300、Steel × 200、Wood × 3300 | 1750 | 1m 7s |
| 2 | Infantry Lethality 1.25% (2.5) | building: research-center 8 | Coal × 940、Iron × 230、Meat × 4700、Steel × 280、Wood × 4700 | 1750 | 1m 41s |
| 3 | Infantry Lethality 1.5% (4) | building: research-center 9 | Coal × 2000、Iron × 500、Meat × 10000、Steel × 600、Wood × 10000 | 2100 | 4m 30s |