Academy Research · Battle
Shield Upgrade I
Maximum level 3
Enhances Infantry Health
Maximum bonus
Infantry Health
4.00%
Power at maximum level
18K
Total to max: level 0 3
Base costs and time for this research only. Bonuses and prerequisite upgrades are excluded.
- Bread
- 54K
- Gold
- 3.2K
- Iron
- 2.7K
- Stone
- 10.8K
- Wood
- 54K
- Total base research time
- 21m 55s
All levels
Each row shows the cost and base time to reach that level, its total bonus and power, and its requirements.
| Level |  Bread |  Gold |  Iron |  Stone |  Wood | Base research time | Power | Infantry Health | Requirements |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 10K | 600 | 500 | 2K | 10K | 3m 22s | 5.6K | 1.25% | |
| 2 | 14K | 840 | 700 | 2.8K | 14K | 5m 3s | 11.3K | 2.50% | |
| 3 | 30K | 1.8K | 1.5K | 6K | 30K | 13m 30s | 18K | 4.00% |