Deep Ocean Expansion Required!
You require the Deep Ocean expansion to unlock this content.
|Construction Cost||2500 · 16 · 6 · 6|
|Maintenance Cost|| -70 · -6 |
- If you're defending an underwater island, make sure you combine this building with underwater defences for additional protection.
- If you're attacking an underwater island, target the underwater bases of the defence platforms to destroy them easily.