All this Shevatas knew without being particularly conscious of the knowledge, as a man knows the streets of his town. He was a far traveller and had looted the treasures of many kingdoms. But now he hesitated and shuddered before the highest adventure and the mightiest treasure of all.

In that ivory dome lay the bones of Thugra Khotan, the dark sorcerer who had reigned in Kuthchemes three thousand years ago, when the kingdoms of Stygia stretched far northward of the great river, over the meadows of Shem, and into the uplands. Then the great drift of the Hyborians swept southward from the cradle-land of their race near the northern pole. It was a titanic drift, extending over centuries and ages. But in the reign of Thugra Khotan, the last magician of Kuthchemes, gray-eyed, tawny-haired barbarians in wolfskins and scale-mail had ridden from the north into the rich uplands to carve out the kingdom of Koth with their iron swords. They had stormed over Kuthchemes like a tidal wave, washing the marble towers in blood, and the northern Stygian kingdom had gone down in fire and ruin.

But while they were shattering the streets of his city and cutting down his archers like ripe corn, Thugra Khotan had swallowed a strange terrible poison, and his masked priests had locked him into the tomb he himself had prepared. His devotees died about that tomb in a crimson holocaust, but the barbarians could not burst the door, nor ever mar the structure by maul or fire. So they rode away, leaving the great city in ruins, and in his ivory-domed sepulcher great Thugra Khotan slept unmolested, while the lizards of desolation gnawed at the crumbling pillars, and the very river that watered his land in old times sank into the sands and ran dry.