User blog comment:Miskos3/Fairy Tail 514: Dragon Seed, Review/@comment-7418318-20161212113658/@comment-2214433-20161212115851

There's a chance that Zirconis was actually from the west continent, where it was said that dragons ate humans. As the war began and Zirconis flew all the way to Ishgar to fight the opposing forces, he was slain by Acnologia.