Academy Research · Battle
Defensive Formations IV
Maximum level 5
Enhances Infantry Defense
Maximum bonus
Infantry Defense
22.50%
Power at maximum level
101.3K
Total to max: level 0 5
Base costs and time for this research only. Bonuses and prerequisite upgrades are excluded.
- Bread
- 8.3M
- Gold
- 107K
- Iron
- 419K
- Stone
- 1.7M
- Wood
- 8.3M
- Total base research time
- 10d 6h 40m
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 Defense | Requirements |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 930K | 12K | 46K | 180K | 930K | 16h 40m | 18K | 4.00% | |
| 2 | 1.1M | 14K | 55K | 220K | 1.1M | 21h 40m | 36K | 8.00% | |
| 3 | 1.3M | 16K | 65K | 260K | 1.3M | 1d 9h 20m | 54K | 12.00% | |
| 4 | 1.6M | 21K | 83K | 330K | 1.6M | 2d 2h | 72K | 16.00% | |
| 5 | 3.4M | 44K | 170K | 680K | 3.4M | 5d 5h | 101.3K | 22.50% |