Where can I find sparkling pearls in the underwater world?

Flash Pearl Location (Shipwreck Tunnel)

Divination crab, the pearl of the East China Sea on the coral table (sparkling pearl)

After finding 3 items, return to Haiyang and click on "Strange Fish Giant Position".

Click the "Home Journey-Atlantis -5" button.

Click the "OK, thank you very much for coming" button.

Click "OK, I see! Button, the task is completed, and the task item "item receipt" and 2000 shells are obtained.