In spite of that, Harry Urquhart was all anxiety to be off. He had often pictured to himself the agony of suspense that all this time von Hardenberg was being called upon to bear. The boy wondered if the lamp which the Prussian had taken with him into the vault still burned. If so, it would shed its light upon the glittering treasure. If it had gone out, the Prussian was buried in unutterable and eternal darkness—eternal, since escape was beyond the bounds of possibility. That, combined with the fearful silence that reigned in the place, with hope dying in the prisoner's heart as the days rolled slowly by, was enough—as it seemed to Harry—to drive any man to madness. The boy found it impossible to forgive his cousin, who had acted so basely from the first; for all that, he was by no means heartless, and, in any case, it was his duty to save a human life from so terrible an end.
As soon as the guides professed themselves able to undertake the journey, they set off towards the caves. It took them more than two days to accomplish what the younger guide had done in under twelve hours, and thence, striking due south-west, they approached the caves from the opposite direction to that in which they had first entered Maziriland.
On this occasion they saw—though they did not come into actual contact with—several of the Maziri peasants who were working in the cultivated tracts of country that lay between the mountains and the bush. Maziriland was very sparsely populated—the race verging on extinction—and at least two-thirds of the inhabitants were congregated in the chief town, where they carried on certain industries, their skill in which they had inherited from the ancients.
It approached the hour of daybreak when Harry Urquhart and his party reached the foot of the great flight of steps that led to the entrance to the caves, where stood the two carved giants. Harry had hurried forward, closely followed by Braid. The two guides brought up the rear.
In feverish excitement, three steps at a time, the boy dashed up the steps between the weird, fantastic statues, and was about to enter the cave when he remembered that he had no light, and that, since it was night, the place would be unutterably dark. He had retraced his steps some distance, with the object of getting some kind of torch, when he was met by Fernando at the head of the long flight of steps.
"A light!" he cried. "It is quite dark within."
Fernando had foreseen this, and in mid-valley had broken a branch from a cork-tree, which he had damped with rifle oil. This he now lighted and gave to Harry, who was the first to enter the cave.
Inside, everything was exactly as they had left it. It was manifest no one had visited the place since the tragedy of some days before. The body of the old man lay still at the foot of the altar. At the farthermost end of the cave the granite wall remained as ever, immobile and formidable. Harry Urquhart, taking the Sunstone from his pocket, asked Jim to hold the torch, and himself went to the wheels and turned them until the characters that showed above the golden bar corresponded with those upon the Sunstone.
When he came to the ninth wheel he was so excited that his hand was shaking. And presently there came the sharp "clicking" sound that they had heard before, and then the granite rock began slowly to revolve.
The rock evidently turned upon a pivot. Its motion was like that of an enormous water-wheel, except that, instead of revolving vertically, it turned horizontally, the way of the sun. When the centre of the opening was immediately opposite the altar there came a second "click", and the rock remained quite still.