Five hundred years laters the Hyborian civilization was swept away. Its fall was unique in that it was not brought about by internal decay, but by the growing power of the barbarian nations and the Hyrkanians. The Hyborian peoples were overthrown while their vigorous culture was in its prime.
Yet it was Aquilonia's greed which brought about that overthrow, though indirectly. Wishing to extend their empire, her kings made war on their neighbors. Zingara, Argos and Ophir were annexed outright, with the western cities of Shem, which had, with their more eastern kindred, recently thrown off the yoke of Koth. Koth itself, with Corinthia and the eastern Shemitish tribes, was forced to pay Aquilonia tribute and lend aid in wars. An ancient feud had existed between Aquilonia and Hyperborea, and the latter now marched to meet the armies of her western rival. The plains of the Border Kingdom were the scene of a great and savage battle, in which the northern hosts were utterly defeated, and retreated into their snowy fastnesses, whither the victorious Aquilonians did not pursue them. Nemedia, which had successfully resisted the western kingdom for centuries, now drew Brythunia and Zamora, and secretly, Koth, into an alliance which bade fair to crush the rising empire. But before their armies could join battle, a new enemy appeared in the east, as the Hyrkanians made their first real thrust at the western world. Reinforced by adventurers from east of Vilayet, the riders of Turan swept over Zamora, devastated eastern Corinthia, and were met on the plains of Brythunia by the Aquilonians who defeated them and hurled them flying eastward. But the back of the alliance was broken, and Nemedia took the defensive in future wars, aided occasionally by Brythunia and Hyperborea, and, secretly, as usual, by Koth. This defeat of the Hyrkanians showed the nations the real power of the western kingdom, whose splendid armies were augmented by mercenaries, many of them recruited among the alien Zingarans, and the barbaric Picts and Shemites. Zamora was reconquered from the Hyrkanians, but the people discovered that they had merely exchanged an eastern master for a western master. Aquilonian soldiers were quartered there, not only to protect the ravaged country, but also to keep the people in subjection. The Hyrkanians were not convinced; three more invasions burst upon the Zamorian borders, and the Lands of Shem, and were hurled back by the Aquilonians, though the Turanian armies grew larger as hordes of steel-clad riders rode out of the east, skirting the southern extremity of the inland sea.
But it was in the west that a power was growing destined to throw down the kings of Aquilonia from their high places. In the north there was incessant bickering along the Cimmerian borders between the black-haired warriors and the Nordheimir; and the Aesir, between wars with the Vanir, assailed Hyperborea and pushed back the frontier, destroying city after city. The Cimmerians also fought the Picts and Bossonians impartially, and several times raided into Aquilbnia itself, but their wars were less invasions than mere plundering forays.
But the Picts were growing amazingly in population and power. By a strange twist of fate, it was largely due to the efforts of one man, and he an alien, that they set their feet upon the ways that led to eventual empire. This man was Arus, a Nemedian priest, a natural-born reformer. What turned his mind toward the Picts is not certain, but this much is history—he determined to go into the western wilderness and modify the rude ways of the heathen by the introduction of the gentle worship of Mitra. He was not daunted by the grisly tales of what had happened to traders and explorers before him, and by some whim of fate he came among the people he sought, alone and unarmed, and was not instantly speared.
The Picts had benefited by contact with Hyborian civilization, but they had always fiercely resisted that contact. That is to say, they had learned to work crudely in copper and tin, which were found scantily in their country, and for which latter metal they raided into the mountains of Zingara, or traded hides, whale's teeth, walrus tusks and such few things as savages have to trade. They no longer lived in caves and tree-shelters, but built tents of hides, and crude huts, copied from those of the Bossonians. They still lived mainly by the chase, since their wilds swarmed with game of all sorts, and the rivers and sea with fish, but they had learned how to plant grain, which they did sketchily, preferring to steal it from their neighbors the Bossonians and Zingarans. They dwelt in clans which were generally at feud with each other, and their simple customs were blood-thirsty and utterly inexplicable to a civilized man, such as Arus of Nemedia. They had no direct contact with the Hyborians, since the Bossonians acted as a buffer between them. But Arus maintained that they were capable of progress, and events proved the truth of his assertion—though scarcely in the way he meant.
Arus was fortunate in being thrown in with a chief of more than usual intelligence—Gorm by name. Gorm cannot be explained, any more than Genghis Khan, Othman, Attila, or any of those individuals, who, born in naked lands among untutored barbarians, yet possess the instinct for conquest and empire-building. In a sort of bastard-Bossonian, the priest made the chief understand his purpose, and though extremely puzzled, Gorm gave him permission to remain among his tribe unbutchered—a case unique in the history of the race. Having learned the language Arus set himself to work to eliminate the more unpleasant phases of Pictish life—such as human sacrifice, blood- feud, and the burning alive of captives. He harangued Gorm at length, whom he found to be an interested, if unresponsive listener. Imagination reconstructs the scene—the black-haired chief, in his tiger-skins and necklace of human teeth, squatting on the dirt floor of the wattle hut, listening intently to the eloquence of the priest, who probably sat on a carven, skin-covered block of mahogany provided in his honor—clad in the silken robes of a Nemedian priest, gesturing with his slender white hands as he expounded the eternal rights and justices which were the truths of Mitra. Doubtless he pointed with repugnance at the rows of skulls which adorned the walls of the hut and urged Gorm to forgive his enemies instead of putting their bleached remnants to such use. Arus was the highest product of an innately artistic race, refined by centuries of civilization; Gorm had behind him a heritage of a hundred thousand years of screaming savagery—the pad of the tiger was in his stealthy step, the grip of the gorilla in his black-nailed hands, the fire that burns in a leopard's eyes burned in his.
Arus was a practical man. He appealed to the savage's sense of material gain; he pointed out the power and splendor of the Hyborian kingdoms, as an example of the power of Mitra, whose teachings and works had lifted them up to their high places. And he spoke of cities, and fertile plains, marble walls and iron chariots, jeweled towers, and horsemen in their glittering armor riding to battle. And Gorm, with the unerring instinct of the barbarian, passed over his words regarding gods and their teachings, and fixed on the material powers thus vividly described. There in that mud-floored wattle hut, with the silk-robed priest on the mahogany block, and the dark-skinned chief crouching in his tiger- hides, was laid the foundations of empire.
As has been said, Arus was a practical man. He dwelt among the Picts and found much that an intelligent man could do to aid humanity, even when that humanity was cloaked in tiger-skins and wore necklaces of human teeth. Like all priests of Mitra, he was instructed in many things. He found that there were vast deposits of iron ore in the Pictish hills, and he taught the natives to mine, smelt and work it into implements—agricultural implements, as he fondly believed. He instituted other reforms, but these were the most important things he did: he instilled in Gorm a desire to see the civilized lands of the world; he taught the Picts how to work in iron; and he established contact between them and the civilized world. At the chiefs request he conducted him and some of his warriors through the Bossonian marches, where the honest villagers stared in amazement, into the glittering outer world.
Arus no doubt thought that he was making converts right and left, because the Picts listened to him, and refrained from smiting him with their copper axes. But the Pict was little calculated to seriously regard teachings which bade him forgive his enemy and abandon the warpath for the ways of honest drudgery. It has been said that he lacked artistic sense; his whole nature led to war and slaughter. When the priest talked of the glories of the civilized nations, his dark-skinned listeners were intent, not on the ideals of his religion, but on the loot which he unconsciously described in the narration of rich cities and shining lands. When he told how Mitra aided certain kings to overcome their enemies, they paid scant heed to