The Azran Civilization (アスラント文明 Asuranto Bunmei) is a lost civilization that existed thousands of years before the events described in the Professor Layton series, yet featured prominently in the prequel trilogy. They first came to be named in Professor Layton and the Miracle Mask, yet their legacy was felt in both Professor Layton and the Last Specter and Professor Layton and the Eternal Diva.