What is Song of the Whale in NTE? Complete guide

Song of the Whale is an important world exploration event in NTE. How to complete: 1) Go to the designated sea/lake area and find the Song of the Whale marker; 2) Approach to trigger the story cutscene; 3) Follow the guide to complete exploration tasks including puzzles and collection; 4) Receive generous rewards including Fons and Credits. Recommended level 30+ before attempting. Some areas require main story progress.