 However, the Persian capital was not taken, the main Persian army was still at large and approaching, while the Romans lacked a clear strategic objective.In the council of war which followed, Julian's generals persuaded him not to mount a siege against the city, given the impregnability of its defenses and the fact that Shapur would soon arrive with a large force.Julian not wanting to give up what he had gained and probably still hoping for the arrival of the column under Procopius and Sebastianus, set off east into the Persian interior, ordering the destruction of the fleet.