The veteran of varied experience, who stood towards the great-king almost as a father, and was now able to exercise a personal influence over him, overpowered by his energy that weak man, and induced him not only to resolve on the continuance of the war, but also to entrust Mithradates with its political and military management. The war was now to be changed from a cabinet contest into a national Asiatic struggle; the kings and peoples of Asia were to unite for this purpose against the domineering and haughty Occidentals. The greatest exertions were made to reconcile the Parthians and Armenians with each other, and to induce them to make common cause against Rome. At the suggestion of Mithradates, Tigranes offered to give back to the Arsacid Phraates the God (who had reigned since 684) the provinces conquered by the Armenians - Mesopotamia, Adiabene, the "great valley" - and to enter into friendship and alliance with him. But, after all that had previously taken place, this offer could scarcely reckon on a favourable reception; Phraates preferred to secure the boundary of the Euphrates by a treaty not with the Armenians, but with the Romans, and to look on, while the hated neighbour and the inconvenient foreigner fought out their strife. Greater success attended the application of Mithradates to the peoples of the east than to the kings. It was not difficult to represent the war as a national one of the east against the west, for such it was; it might very well be made a religious war also, and the report might be spread that the object aimed at by the army of Lucullus was the temple of the Persian Nanaea or Anaitis in Elymais or the modern Luristan, the most celebrated and the richest shrine in the whole region of the Euphrates[17]. From far and near the Asiatics flocked in crowds to the banner of the kings, who summoned them to protect the east and its gods from the impious foreigners. But facts had shown not only that the mere assemblage of enormous hosts was of little avail, but that the troops really capable of marching and fighting were by their very incorporation in such a mass rendered useless and involved in the general ruin. Mithradates sought above all to develop the arm which was at once weakest among the Occidentals and strongest among the Asiatics, the cavalry; in the army newly formed by him half of the force was mounted.

For the ranks of the infantry he carefully selected, out of the mass of recruits called forth or volunteering, those fit for service, and caused them to be drilled by his Pontic officers. The considerable army, however, which soon assembled under the banner of the great-king was destined not to measure its strength with the Roman veterans on the first chance field of battle, but to confine itself to defence and petty warfare. Mithradates had conducted the last war in his empire on the system of constantly retreating and avoiding battle; similar tactics were adopted on this occasion, and Armenia proper was destined as the theatre of war - the hereditary land of Tigranes, still wholly untouched by the enemy, and excellently adapted for this sort of warfare both by its physical character and by the patriotism of its inhabitants.

Dissatisfaction with Lucullus in the Capital and in the Army The year 686 found Lucullus in a position of difficulty, which daily assumed a more dangerous aspect. In spite of his brilliant victories, people in Rome were not at all satisfied with him. The senate felt the arbitrary nature of his conduct: the capitalist party, sorely offended by him, set all means of intrigue and corruption at work to effect his recall. Daily the Forum echoed with just and unjust complaints regarding the foolhardy, the covetous, the un-Roman, the traitorous general. The senate so far yielded to the complaints regarding the union of such unlimited power - two ordinary governorships and an important extraordinary command - in the hands of such a man, as to assign the province of Asia to one of the praetors, and the province of Cilicia along with three newly-raised legions to the consul Quintus Marcius Rex, and to restrict the general to the command against Mithradates and Tigranes.

These accusations springing up against the general in Rome found a dangerous echo in the soldiers' quarters on the Iris andon the Tigris; and the more so that several officers including the general's own brother-in-law, Publius Clodius, worked upon the soldiers with this view. The report beyond doubt designedly circulated by these, that Lucullus now thought of combining with the Pontic-Armenian war an expedition against the Parthians, fed the exasperation of the troops.

But while the troublesome temper of the government and of the soldier thus threatened the victorious general with recall and mutiny, he himself continued like a desperate gambler to increase his stake and his risk. He did not indeed march against the Parthians but when Tigranes showed himself neither ready to make peace nor disposed, as Lucullus wished, to risk a second pitched battle, Lucullus resolved to advance from Tigranocerta, through the difficult mountain-country along the eastern shore of the lake of Van, into the valley of the eastern Euphrates (or the Arsanias, now Myrad-Chai), and thence into that of the Araxes, where, on the northern slope of Ararat, lay Artaxata the capital of Armenia proper, with the hereditary castle and the harem of the king.

He hoped, by threatening the king's hereditary residence, to compel him to fight either on the way or at any rate before Artaxata. It was inevitably necessary to leave behind a division at Tigranocerta; and, as the marching army could not possibly be further reduced, no course was left but to weaken the position in Pontus and to summon troops thence to Tigranocerta. The main difficulty, however, was the shortness of the Armenian summer, so inconvenient for military enterprises. On the tableland of Armenia, which lies 5000 feet and more above the level of the sea, the corn at Erzeroum only germinates in the beginning of June, and the winter sets in with the harvest in September; Artaxata had to be reached and the campaign had to be ended in four months at the utmost.

At midsummer, 686, Lucullus set out from Tigranocerta, and, marching doubtless through the pass of Bitlis and farther to the westward along the lake of Van - arrived on the plateau of Musch and at the Euphrates. The march went on - amidst constant and very troublesome skirmishing with the enemy's cavalry, and especially with the mounted archers - slowly, but without material hindrance; and the passage of the Euphrates, which was seriously defended by the Armenian cavalry, was secured by a successful engagement; the Armenian infantry showed itself, but the attempt to involve it in the conflict did not succeed. Thus the army reached the tableland, properly so called, of Armenia, and continued its march into the unknown country. They had suffered no actual misfortune; but the mere inevitable delaying of the march by the difficulties of the ground and the horsemen of the enemy was itself a very serious disadvantage. Long before they had reached Artaxata, winter set in; and when the Italian soldiers saw snow and ice around them, the bow of military discipline that had been far too tightly stretched gave way.

A formal mutiny compelled the general to order a retreat, which he effected with his usual skill. When he had safely reached Mesopotamia where the season still permitted farther operations, Lucullus crossed the Tigris, and threw himself with the mass of his army on Nisibis, the last city that here remained to the Armenians. The great-king, rendered wiser by the experience acquired before Tigranocerta, left the city to itself: notwithstanding its brave defence it was stormed in a dark, rainy night by the besiegers, and the army of Lucullus found there booty not less rich and winter-quarters not less comfortable than the year before in Tigranocerta.