reference
Port Defenses
Port Defenses: Defensive structures designed to protect the port from enemy attacks.

Defensive structures designed to protect the port from enemy attacks. Upgrade levels 1-25 improve its benefits and help your port progress.
Port Defenses multiply defensive battle power and unlock anti-spy protection at level 10. Fire Ships can reduce this building after a successful attack.
Defense bonus: 2 · Levels: 1-25
BuildingsBuildingPort DefensesDefensive Increase
How to use it
Section titled “How to use it”- Making attacks and spying harder against important ports.
- Port Defenses unlocks Spy Ship Protection at Port Defenses level 10.
Strengths and watchouts
Section titled “Strengths and watchouts”Useful notes
Section titled “Useful notes”- Initial level: 0
- Upgrade range: levels 1-25
- Higher levels make defending fleets and your port harder to break.
- Level 10 and above adds extra protection against spying.
Watchouts
Section titled “Watchouts”- Fire Ships can reduce defenses after a successful enemy attack.
Pairs well with
Section titled “Pairs well with”- Defender ships and Armada support.
Values
Section titled “Values”| Name | Value |
|---|---|
| Wood | 75 |
| Cloth | 45 |
| Metal | 90 |
| Population | 5 |
Effects
Section titled “Effects”| Name | Value |
|---|---|
| Defense bonus | 2 |
Unlocks
Section titled “Unlocks”- Hq level 12
Levels
Section titled “Levels”| Level | Costs | Time | Points | Benefits |
|---|---|---|---|---|
| 1 | Wood: 75 Cloth: 45 Metal: 90 Population: 5 | 1m | 10 | Defense bonus: 2 |
| 2 | Wood: 95 Cloth: 57 Metal: 113 Population: 1 | 2m | 2 | Defense bonus: 4 |
| 3 | Wood: 119 Cloth: 71 Metal: 143 Population: 1 | 5m | 3 | Defense bonus: 6 |
| 4 | Wood: 150 Cloth: 90 Metal: 180 Population: 1 | 10m | 4 | Defense bonus: 8 |
| 5 | Wood: 189 Cloth: 113 Metal: 227 Population: 1 | 15m | 5 | Defense bonus: 10 |
| 6 | Wood: 238 Cloth: 143 Metal: 286 Population: 2 | 20m | 6 | Defense bonus: 12 |
| 7 | Wood: 300 Cloth: 180 Metal: 360 Population: 2 | 30m | 7 | Defense bonus: 14 |
| 8 | Wood: 378 Cloth: 227 Metal: 454 Population: 2 | 45m | 8 | Defense bonus: 16 |
| 9 | Wood: 476 Cloth: 286 Metal: 572 Population: 3 | 1h | 9 | Defense bonus: 18 |
| 10 | Wood: 600 Cloth: 360 Metal: 720 Population: 3 | 1h 15m | 10 | Defense bonus: 20 |
| 11 | Wood: 756 Cloth: 454 Metal: 908 Population: 3 | 1h 30m | 15 | Defense bonus: 22 |
| 12 | Wood: 953 Cloth: 572 Metal: 1144 Population: 4 | 1h 45m | 20 | Defense bonus: 24 |
| 13 | Wood: 1201 Cloth: 721 Metal: 1441 Population: 5 | 2h | 28 | Defense bonus: 26 |
| 14 | Wood: 1513 Cloth: 908 Metal: 1816 Population: 5 | 3h | 34 | Defense bonus: 28 |
| 15 | Wood: 1907 Cloth: 1144 Metal: 2288 Population: 7 | 4h | 50 | Defense bonus: 30 |
| 16 | Wood: 2402 Cloth: 1441 Metal: 2883 Population: 8 | 5h | 60 | Defense bonus: 32 |
| 17 | Wood: 3027 Cloth: 1816 Metal: 3632 Population: 9 | 6h | 72 | Defense bonus: 34 |
| 18 | Wood: 3814 Cloth: 2288 Metal: 4577 Population: 10 | 7h | 85 | Defense bonus: 36 |
| 19 | Wood: 4805 Cloth: 2883 Metal: 5767 Population: 12 | 8h | 100 | Defense bonus: 38 |
| 20 | Wood: 6055 Cloth: 3633 Metal: 7266 Population: 15 | 9h | 120 | Defense bonus: 40 |
| 21 | Wood: 7629 Cloth: 4577 Metal: 9155 Population: 17 | 10h | 146 | Defense bonus: 42 |
| 22 | Wood: 9613 Cloth: 5768 Metal: 11535 Population: 20 | 11h | 180 | Defense bonus: 44 |
| 23 | Wood: 12112 Cloth: 7267 Metal: 14534 Population: 25 | 12h | 210 | Defense bonus: 46 |
| 24 | Wood: 15261 Cloth: 9157 Metal: 18313 Population: 30 | 13h | 250 | Defense bonus: 48 |
| 25 | Wood: 19229 Cloth: 11537 Metal: 23075 Population: 35 | 14h | 300 | Defense bonus: 50 |