Thereupon Florentius, a Thracian, commanding a detachment of horse, charged into the enemy’s centre, and seizing the general’s standard, forced it to the ground, and started to ride back. And though he himself was overtaken and fell there, hacked to pieces, he proved to be the chief cause of the victory for the Romans. For when the barbarians no longer saw the standard, they were thrown into great confusion and terror, and retreating, got inside their camp, and remained quiet, having lost many men in the battle;
Edition :
Procopius: De Bellis; in: Procopius. History of the Wars, Volume I-V. ed. and transl. H. B. Dewing, Loeb Classical Library, Cambridge, MA: Harvard University Press, 1914-1928.