Xainfried is a playable character in Dragalia Lost.
A member of the Aegis tribe, he's currently on a journey with two young dragons, seeking a place where they can live in peace. Though usually calm, he grows enraged if his charges are threatened.
Official Description (Dragonyule Xanfried)
This Dragonyule, it's Fydon and Felyx's turn to don the garb of Saint Starfall—and pulling the sleigh is their guardian reindeer, Xainfried! He gave them the starring role out of pure fatherly love, and there is no greater gift.