The OS Occupation Operation is part of Episode 17.1 and involves the 2nd OS Search. Players must navigate through various stages while fighting enemies and completing tasks. This guide will help you understand the mechanics and complete the instance.

• Base Level: 150 or higher.
• Must be in a party.
• Only the party leader can initiate the instance.

1. Talk to Est in sp_cor (162, 63):

1. The party leader must speak to Est to initiate the instance.
2. Ensure your party is formed before starting. Solo players cannot enter the instance.

2. Instance Creation:

1. Est will check if you are the party leader and form the instance once your party is ready.
2. After the briefing, you will enter the OS Occupation Operation instance.

Once inside, follow these steps:

1. Receiving Commands from Est:

1. Est will give you instructions about splitting into groups to subdue the area and establish bases.
2. Follow the commands and prepare for battle as the Echo Team, responsible for support.

2. Engagement with Mutants:

1. You will receive information about mutant movements, and teams will engage in battles with mutants in different areas.
2. Your team will need to support the Alpha and Bravo teams as they handle these engagements.

1. Summoning the Final Boss:

1. As you progress through the instance, Est will give commands regarding a mutant labeled CP7 Miguel.
2. Prepare your party for the final battle as the mutant will be summoned at the final location.

2. Defeating CP7 Miguel:

1. Coordinate with your party to defeat CP7 Miguel. The boss has powerful attacks, so teamwork and strategy are essential.

1. Return to Est and Operation Officer:

1. After defeating CP7 Miguel, speak with Est and the Operation Officer to complete the instance and receive your rewards.

2. Exit the Instance:

1. Once the mission is complete, you can exit the instance and collect your rewards from the Operation Officer.

• Team Coordination: Ensure your party stays together to efficiently defeat the mutants and bosses.
• Healing Items: Bring plenty of healing items, as the instance contains challenging fights.
• Cooldown: After completing the instance, there is a cooldown period before you can re-enter.

Good luck with your OS Occupation Operation mission!