Bestiary entry from the Clan Primer:
This creature always drops a trophy when it is defeated. This trophy is used in the Hunt Club side quest which involves trading in the trophies for items, armor and accessories.
|Common - (55%)||(Nothing)|
|Uncommon - (10%)||(Nothing)|
|Rare - (3%)||Leo Gem|
* Myath will appear in the Ward of Velitation in the Stilshrine of Miriam after you have defeated three Dragon Aevis enemies in the zone. Leave the zone and re-enter for Myath to appear. Note though that you need to have initiated the Hunt club side quest before Myath will appear.