Academy Research · Battle
Shield Upgrade III
Maximum level 4
Enhances Infantry Health
Maximum bonus
Infantry Health
11.50%
Power at maximum level
51.8K
Total to max: level 0 4
Base costs and time for this research only. Bonuses and prerequisite upgrades are excluded.
- Bread
- 2.5M
- Gold
- 28.3K
- Iron
- 128K
- Stone
- 508K
- Wood
- 2.5M
- Total base research time
- 1d 1h 30m
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 | 320K | 3.6K | 16K | 64K | 320K | 2h 30m | 11.3K | 2.50% | |
| 2 | 420K | 4.6K | 21K | 84K | 420K | 3h | 22.5K | 5.00% | |
| 3 | 550K | 6.1K | 27K | 110K | 550K | 5h | 33.8K | 7.50% | |
| 4 | 1.2M | 14K | 64K | 250K | 1.2M | 15h | 51.8K | 11.50% |