Barricades research will increase your building's durability by 2% per level.
| Level | Percentage + |
|---|---|
| Level 1 | +2% Building Durability |
| Level 2 | +4% Building Durability |
| Level 3 | +8% Building Durability |
| Level 4 | +10% Building Durability |
| Level 5 | +12% Building Durability |
| Level 6 | +14% Building Durability |
| Level 7 | +16% Building Durability |
| Level 8 | +18% Building Durability |
| Level 9 | +20% Building Durability |
| Level 10 | +25% Building Durability |
Research Costs[]
| Level | Food | Wood | Stone | Gold |
|---|---|---|---|---|
| Level 1 | 3,000 | 0 | 0 | 4,000 |
| Level 2 | ||||
| Level 3 | 12,000 | 0 | 0 | 16,000 |
| Level 4 | ||||
| Level 5 | 0 | 0 | 0 | 1,080,000 |
| Level 6 | ||||
| Level 7 | ||||
| Level 8 | ||||
| Level 9 | 768,000 | 0 | 0 | 1,024,000 |
| Level 10 |