 Continuing their successful policy of turning the various barbarians against each other, the Byzantines persuaded the Avars to attack the Sclavenes in Scythia Minor (modern Dobruja), a land rich with goods.After devastating much of the Sclavenes' land, the Avars returned to Pannonia after many of the Khagan's subjects deserted to the Byzantine Emperor.By about 580, the Avar Khagan Bayan I had established supremacy over most of the Slavic, Bulgar and Germanic tribes living in Pannonia and the Carpathian Basin.