There are 68 forging materials to locate in Tales of Arise. These can be found as enemy drops and in some chests, and are used to forge new weapons for the party. This page details the location and use for the Phantom Fang.
Phantom Fangs can be found in Gegham Helgarahi.
Field Map Locations
|Menancia - Viscint
||Ultimate Training Ground - Shionne reward
Weapons Forged with Material