Did you find the [plur]Seiren Treasure Chest[pl:"Chests"]?

We still haven't got enough Seiren Treasure Chests, but you've been a great help to us.

We'll give you a fitting reward.

You're wondering what the Seiren Treasure Chests will be used for?

You'll find that out if you keep working for the Recruitment Office.

(You clicked on Instant Report[pl:"Reports"] in the Quest Journal and reported about the mission.)

(Click 'confirm' to receive a reward.)

The Pandora Recruiter Tradit tasked you with collecting Seiren Treasure Chests.

You collected the Seiren Treasure Chests and asked how they are used when you returned, but didn't get a satisfactory answer.