II. Three lines — one over another:
A) roman troops are attacking and conquering the city Edessa with the help of war machines;
B) on the right — the conquest of Osroene and the submission of king Abgar to Septimius Severus; on the left — speech of Septimius Severus to his troops;
C) on the right — military council of the emperor in the fortified military camp; on the left — the emperor is conducting the continuation of the military campaign.
Keywords: the triumphal arch of Septimius Severus right panel roman emperor siege machines battering ram battering-ram troops soldier soldiers warrior warriors adlocutio siege defence stronghold fortress town Edessa Osroene Abgar king speech military council fortified camp campaign horseman rider horse