研究
Picket Lines IV
CategoryBattle
Queuemain
Tier4
Research levels
| Level | Effects | Prerequisites | Costs | Power | Time |
|---|---|---|---|---|---|
| 1 | Marksman Defense 4% (4) | building: research-center 19；research: precision-targeting-iv 1 | Coal × 99000、Iron × 24000、Meat × 490000、Steel × 6400、Wood × 490000 | 9600 | 8h 53m 20s |
| 2 | Marksman Defense 4% (8) | building: research-center 20 | Coal × 110000、Iron × 29000、Meat × 590000、Steel × 7600、Wood × 590000 | 9600 | 11h 33m 20s |
| 3 | Marksman Defense 4% (12) | building: research-center 21 | Coal × 130000、Iron × 34000、Meat × 690000、Steel × 8900、Wood × 690000 | 9600 | 17h 46m 40s |
| 4 | Marksman Defense 4% (16) | building: research-center 22 | Coal × 170000、Iron × 44000、Meat × 890000、Steel × 11000、Wood × 890000 | 9600 | 1d 2h 40m |
| 5 | Marksman Defense 6.5% (22.5) | building: research-center 23 | Coal × 360000、Iron × 91000、Meat × 1800000、Steel × 23000、Wood × 1800000 | 15600 | 2d 18h 48m |