Di Guols Empire

Great Empire was a nation that once existed in the Dolor Desert.

Background
It was said that a naturally-spawn tornado appearing every thirty years in the desert originated from a failed magical ritual performed poorly by the great empire.

The Vampire Princess of the Lost Country Arc

 * Main article: The Vampire Princess of the Lost Country Arc

Members of New Ainz Ooal Gown traversed the desert where the empire was once situated.

Legacy
The empire seems to have collapsed sometime in the past. The only legacy left is a mysterious tornado that appeared once every thirty years. Many rumors of the origin of this tornado have been made. That it was a failed ritual, the result of the Scepter of the Sands, etc.

Trivia

 * The capital of this fallen great empire protruded from beneath the sands of the desert region.