 In mid-May, bishop Teodor led a mission which asked of aid from Sigismund Báthory, and in return they offered him the rule of the Serbian throne, however, Báthory insisted on submission to the Ottoman sultan and was unable to meet their demands.The first large success of the rebels was the attack on Modava on the Danube, where they killed the Ottoman crew and set the city fortress on fire.They then defeated the Ottoman security at the dock of Hram and crew of the wooden fortress ("palanka") in Pančevo.