研究
Special Defensive Training IV
CategoryBattle
Queuemain
Tier4
Research levels
| Level | Effects | Prerequisites | Costs | Power | Time |
|---|---|---|---|---|---|
| 1 | Troops Defense 1.75% (1.75) | building: research-center 20；research: bulwark-formations-iv 1；research: defensive-formation-iv 1；research: picket-lines-iv 1 | Coal × 160000、Iron × 40000、Meat × 800000、Steel × 10000、Wood × 800000 | 14700 | 14h 26m 40s |
| 2 | Troops Defense 1.75% (3.5) | building: research-center 21 | Coal × 190000、Iron × 48000、Meat × 960000、Steel × 12000、Wood × 960000 | 14700 | 18h 46m 40s |
| 3 | Troops Defense 1.75% (5.25) | building: research-center 22 | Coal × 220000、Iron × 56000、Meat × 1100000、Steel × 14000、Wood × 1100000 | 14700 | 1d 4h 53m 20s |
| 4 | Troops Defense 1.75% (7) | building: research-center 23 | Coal × 290000、Iron × 72000、Meat × 1400000、Steel × 18000、Wood × 1400000 | 14700 | 1d 19h 20m |
| 5 | Troops Defense 3% (10) | building: research-center 24 | Coal × 590000、Iron × 140000、Meat × 2900000、Steel × 38000、Wood × 2900000 | 25200 | 4d 12h 20m |