Overview
Shield Upgrade I is part of the Academy battle branch. Each row below is one research level, including its cost, time, power and resulting effect.
Level costs
| Level | Bread | Wood | Stone | Iron | Gold |
|---|---|---|---|---|---|
| 1 | 10,000 | 10,000 | 20,000 | 500 | 600 |
| 2 | 14,000 | 14,000 | 2,800 | 700 | 840 |
| 3 | 30,000 | 30,000 | 6,000 | 1,500 | 1,800 |
Requirements and results
| Level | Prerequisites | Time | Power | Effect |
|---|---|---|---|---|
| 1 | Academy Lv. 7, Close Combat I Lv. 1 | 3m | 5,625 | 1.25% infantry health |
| 2 | Academy Lv. 8, Shield Upgrade I Lv. 1 | 5m | 5,625 | 1.25% infantry health |
| 3 | Academy Lv. 9, Shield Upgrade I Lv. 2 | 13m | 6,750 | 1.5% infantry health |