研究
Shield Upgrade I
CategoryBattle
Queuemain
Tier1
Research levels
| Level | Effects | Prerequisites | Costs | Power | Time |
|---|---|---|---|---|---|
| 1 | Infantry Health 1.25% (1.25) | building: research-center 7；research: close-combat-i 1 | Coal × 2000、Iron × 500、Meat × 10000、Steel × 600、Wood × 10000 | 5625 | 3m 22s |
| 2 | Infantry Health 1.25% (2.5) | building: research-center 8 | Coal × 2800、Iron × 700、Meat × 14000、Steel × 840、Wood × 14000 | 5625 | 5m 3s |
| 3 | Infantry Health 1.5% (4) | building: research-center 9 | Coal × 6000、Iron × 1500、Meat × 30000、Steel × 1800、Wood × 30000 | 6750 | 13m 30s |