Fighting lasted for four days at Flovius, during which Lupus held his own for three, taking much booty and slaughtering many men, before his own losses and the arrival of Avar reinforcements forced his army to retreat.
Pertempuran berlangsung selama empat hari di Flovius, selama di mana Lupo berlangsung selama tiga, menjarah banyak tempat dan membunuh banyak orang, sebelum kalah dan kedatangan bala bantuan Avar mendesaknya untuk mundur.