Investigación
Close Combat IV
CategoryBattle
Queuemain
Tier4
Research levels
| Level | Effects | Prerequisites | Costs | Power | Time |
|---|---|---|---|---|---|
| 1 | Infantry Lethality 4% (4) | building: research-center 22；research: regimental-expansion-iv 1 | Coal × 62000、Iron × 15000、Meat × 310000、Steel × 4000、Wood × 310000 | 5600 | 5h 33m 20s |
| 2 | Infantry Lethality 4% (8) | building: research-center 23 | Coal × 74000、Iron × 18000、Meat × 370000、Steel × 4800、Wood × 370000 | 5600 | 7h 13m 20s |
| 3 | Infantry Lethality 4% (12) | building: research-center 24 | Coal × 86000、Iron × 21000、Meat × 430000、Steel × 5600、Wood × 430000 | 5600 | 11h 6m 40s |
| 4 | Infantry Lethality 4% (16) | building: research-center 25 | Coal × 110000、Iron × 27000、Meat × 550000、Steel × 7200、Wood × 550000 | 5600 | 16h 40m |
| 5 | Infantry Lethality 6.5% (22.5) | building: research-center 26 | Coal × 220000、Iron × 57000、Meat × 1100000、Steel × 14000、Wood × 1100000 | 9100 | 1d 17h 40m |