Revlon Empire

Revlon Empire or Old Revlon Empire was large country in continent.

Background
The Revlon Empire was the largest country on the continent six hundred years ago, before the country was divided into two countries, the Great Leburan Empire in the east and the Holy Leburan Empire in the west.

Light Novel Volume 01
Lauren Laraiya du Luvierte upon seeing Arc's Belenus Holy Armor, reminded her of the armor worn by the guardians of the empire.

Rhoden Kingdom
It is unknown what kind of relationship the kingdom had with the original Revlon Empire, but six hundred years ago when the kingdom attempted to conquer the Great Canada Forest, refusing to admit defeat in the face of the elves, the humans were forced to accede to peace when the Revlon Empire broke into civil war, indicating that the monarch at the time was worried about the potential spillover into his nation.

Trivia

 * Though the original Revlon Empire is defunct, its name is used interchangeably with its successors.