How to get Crow Jade in NTE? What is it used for?

Crow Jade is a collectible scattered throughout Hethereau City. How to find: 1) Look in deep alleys, high platforms, and hidden corners; 2) Some require solving puzzles or completing challenges; 3) Watch for glowing hints while exploring. Uses: Collecting enough Crow Jade can be exchanged for rare rewards including Original Crystals, gacha tickets, and special materials. Make sure to collect them as you explore each new area.