Walls provide defense for your City.
Requirements
| Level | Construction | Food | Wood | Stone | Ore |
|---|---|---|---|---|---|
| 1 | Lv0 Workshop, Lv2 Quarry | 3,000 | 1,500 | 10,000 | 500 |
| 2 | Lv1 Workshop, Lv2 Quarry | 6,000 | 3,000 | 20,000 | 1,000 |
| 3 | Lv2 Workshop, Lv2 Quarry | 12,000 | 6,000 | 40,000 | 2,000 |
| 4 | Lv3 Workshop, Lv2 Quarry | 24,000 | 12,000 | 80,000 | 4,000 |
| 5 | Lv4 Workshop, Lv2 Quarry | 48,000 | 24,000 | 160,000 | 8,000 |
| 6 | Lv5 Workshop, Lv2 Quarry | 96,000 | 48,000 | 320,000 | 16,000 |
| 7 | Lv6 Workshop, Lv2 Quarry | 192,000 | 96,000 | 640,000 | 32,000 |
| 8 | Lv7 Workshop, Lv2 Quarry | 384,000 | 192,000 | 1,280,000 | 64,000 |
| 9 | Lv8 Workshop, Lv2 Quarry | 768,000 | 384,000 | 2,560,000 | 128,000 |
| 10 | Lv9 Workshop, Lv2 Quarry Divine Inspiration |
1,536,000 | 768,000 | 5,120,000 | 256,000 |
Benefits
| Level | Yield |
|---|---|
| 1 | Provides 100,000 durability and 1000 defensive unit spaces |
| 2 | Provides 300,000 durability and 3000 defensive unit spaces |
| 3 | Provides 600,000 Durability and 6,000 Defensive Unit Spaces |
| 4 | Provides 1,000,000 Durability and 10,000 Defensive Unit Spaces |
| 5 | Provides 1,500,000 Durability and 15,000 Defensive Unit Spaces |
| 6 | Provides 2,100,000 Durability and 21,000 Defensive Unit Spaces |
| 7 | Provides 2,800,000 Durability and 28,000 Defensive Unit Spaces |
| 8 | Provides 3,600,000 Durability and 36,000 Defensive Unit Spaces |
| 9 | Provides 4,500,000 Durability and 45,000 Defensive Unit Spaces |
| 10 | Provides 5,500,000 Durability and 55,000 Defensive Unit Spaces |