Mermaid Island Conquest is a content where you can participate with you Alliance members and obtain many rewards once a day.

To begin Mermaid Island Conquest, the Alliance Skill of Marmaid Island Conquest should be available in your Alliance. The participation timer will be reset at 16:00 PST

When R4 or R5 Alliance member activates the Alliance Skill of Marmaid Island Conquest,  Mermaids can be hunted for 10 minutes from the nearest Mermaid Island to your Alliance Fortress.

Mermaids can be attacked individually or with Rally.  Mermaids are defeated successfully when reaching 0 HP like Raid Monsters. 

More powerful Mermaid will be summoned upon defeating the Mermaid successfully.  Having higher participation points by defeating more powerful Mermaids, you can receive many Mermaid Tears.

Using Tier 3 or above Seasoned Captain's Masaterpiece Equipment Set can lessen the damages received during the Mermaid Island Conquest.