The Zepharos Empire (ゼファロス帝国 Zefarosu Teikoku?) represents the Dragon's Gate Jaw on the north side of the Arc Strada continent.


Prior to the beginning of the series, the Empire serves a ceasefire agreement with the Lautreamont Knight Kingdom and the Chevron Kingdom after the previous war. While tasking the Lautreamont Knight Kingdom all dragon-rearing tasks, the empire is responsible for its proficient mechanical and magical engineering.