Congress of Berlin
He joined the Albanian nationalist League of Prizren after the decision of the Congress of Berlin to hand over the Albanian-inhabited regions of Hoti, Gruda, Plav, Gusinje, Kastrati, etc. to the Principality of Montenegro. When Prince Nicholas I of Montenegro entered the territory which had been ceded to him by the Congress of Berlin, Mula and other chiefs of Malësia organized a resistance against Montenegro. The northern Albanian highlanders defeated the Montenegrins in the Battle of Ržanica. He is enumerated in Albanian highlander epic poetry.