sentences:  It was in the wars with the Lombards that Mummolus proved himself a uniquely capable strategist.The Lombards were then in the midst of an interregnum known as the Rule of the Dukes and three of their dukes — Zaban of Pavia, Amo, and Rodanus — invaded Provence and were expelled by Mummolus and chased even into Italy.His first victory was a tactical one at Embrun.