It was with such reveries that the mind of the ape-man was occupied as he crossed the desolate valley of Opar, which lay shimmering in the bright sunlight that was relieved only by the shade of an occasional gnarled and stunted tree. Ahead of him and to his right was the small rocky hillock, upon the summit of which was located the outer entrance to the treasure vaults of Opar. But with this he was not now interested, his sole object being to forewarn La of the approach of the invaders that she might prepare her defense.
It had been long since Tarzan had visited Opar; but upon that last occasion, when he had restored La to her loyal people and re- established her supremacy following the defeat of the forces of Cadj, the high priest, and the death of the latter beneath the fangs and talons of Jad-bal-ja, he had carried away with him for the first time a conviction of the friendliness of all of the people of Opar. He had for years known that La was secretly his friend, but her savage, grotesque retainers always heretofore had feared and hated him; and so it was now that he approached Opar as one might approach any citadel of one's friends, without stealth and without any doubt but that he would be received in friendship.
Nkima, however, was not so sure. The gloomy ruins terrified him. He scolded and pleaded, but all to no avail; and at last terror overcame his love and loyalty so that, as they were approaching the outer wall, which loomed high above them, he leaped from his master's shoulder and scampered away from the ruins that confronted him, for deep in his little heart was an abiding fear of strange and unfamiliar places, that not even his confidence in Tarzan could overcome.
Nkima's keen eyes had noted the rocky hillock which they had passed a short time before, and to the summit of this he scampered as a comparatively safe haven from which to await the return of his master from Opar.
As Tarzan approached the narrow fissure which alone gave entrance through the massive outer walls of Opar, he was conscious, as he had been years before on the occasion of his first approach to the city, of unseen eyes upon him, and at any moment he expected to hear a greeting when the watchers recognized him.
Without hesitation, however, and with no apprehensiveness, Tarzan entered the narrow cleft and descended a flight of concrete steps that led to the winding passage through the thick outer wall. The narrow court, beyond which loomed the inner wall, was silent and deserted; nor was the silence broken as he crossed it to another narrow passage which led through it; at the end of this he came to a broad avenue, upon the opposite side of which stood the crumbling ruins of the great temple of Opar.
In silence and solitude he entered the frowning portal, flanked by its rows of stately pillars, from the capitals of which grotesque birds glared down upon him as they had stared through all the countless ages since forgotten hands had carved them from the solid rock of the monoliths. On through the temple toward the inner courtyard, where he knew the activities of the city were carried on, Tarzan made his way in silence. Perhaps another man would have given notice of his coming, voicing a greeting to apprise them of his approach; but Tarzan of the Apes in many respects is less man than beast. He goes the silent way of most beasts, wasting no breath in useless mouthing. He had not sought to approach Opar stealthily, and he knew that he had not arrived unseen. Why a greeting was delayed he did not know, unless it was that, after carrying word of his coming to La, they were waiting for her instructions.
Through the main corridor Tarzan made his way, noting again the tablets of gold with their ancient and long undeciphered hieroglyphics. Through the chamber of the seven golden pillars he passed and across the golden floor of an adjoining room, and still only silence and emptiness, yet with vague suggestions of figures moving in the galleries that overlooked the apartment through which he was passing; and then at last he came to a heavy door beyond which he was sure he would find either priests or priestesses of this great temple of the Flaming God. Fearlessly he pushed it open and stepped across the threshold, and in the same instant a knotted club descended heavily upon his head, felling him senseless to the floor.
Instantly he was surrounded by a score of gnarled and knotted men; their matted beards fell low upon their hairy chests as they rolled forward upon their short, crooked legs. They chattered in low, growling gutturals as they bound their victim's wrists and ankles with stout thongs, and then they lifted him and carried him along other corridors and through the crumbling glories of magnificent apartments to a great tiled room, at one end of which a young woman sat upon a massive throne, resting upon a dais a few feet above the level of the floor.
Standing beside the girl upon the throne was another of the gnarled and knotted men. Upon his arms and legs were bands of gold and about his throat many necklaces. Upon the floor beneath these two was a gathering of men and women—the priests and priestesses of the Flaming God of Opar.
Tarzan's captors carried their victim to the foot of the throne and tossed his body upon the tile floor. Almost simultaneously the ape-man regained consciousness and, opening his eyes, looked about him.
"Is it he?" demanded the girl upon the throne.
One of Tarzan's captors saw that he had regained consciousness and with the help of others dragged him roughly to his feet.
"It is he, Oah," exclaimed the man at her side.
An expression of venomous hatred convulsed the face of the woman. "God has been good to His high priestess," she said. "I have prayed for this day to come as I prayed for the other, and as the other came so has this."
Tarzan looked quickly from the woman to the man at her side. "What is the meaning of this, Dooth?" he demanded. "Where is La? Where is your high priestess?"
The girl rose angrily from her throne. "Know, man of the outer world, that I am high priestess. I, Oah, am high priestess of the Flaming God."
Tarzan ignored her. "Where is La?" he demanded again of Dooth.
Oah flew into a frenzy of rage. "She is dead!" she screamed, advancing to the edge of the dais as though to leap upon Tarzan, the jeweled handle of her sacrificial knife gleaming in the sunlight, which poured through a great aperture where a portion of the ancient roof of the throne room had fallen in. "She is dead!" she repeated. "Dead as you will be when next we honor the Flaming God with the life blood of a man. La was weak. She loved you, and thus she betrayed her God, who had chosen you for sacrifice. But Oah is strong—strong with the hate she has nursed in her breast since Tarzan and La stole the throne of Opar from her. Take him away!" she screamed to his captors, "and let me not see him again until I behold him bound to the altar in the court of sacrifice."
They cut the bonds now that secured Tarzan's ankles so that he might walk; but even though his wrists were tied behind him it was evident that they still held him in great fear, for they put ropes about his neck and his arms and led him as man might lead a lion. Down into the familiar darkness of the pits of Opar they led him, lighting the way with torches; and when finally they had brought him to the dungeon in which he was to be confined it was some time before they could muster sufficient courage to cut the bonds that held his wrists, and even then they did not do so until they had again bound his ankles securely so that they might escape from the chamber and bolt the door before he could release his feet and pursue them. Thus greatly had the prowess of Tarzan impressed itself upon the brains of the crooked priests of Opar.
Tarzan had been in the dungeons of Opar before and, before, he had escaped; and so he set to work immediately seeking for a means of escape from his present predicament, for he knew that the chances were that Oah would not long delay the moment for which she had prayed—the instant when she should plunge the gleaming sacrificial knife into his breast. Quickly removing the thongs from his ankles, Tarzan groped his way carefully along the walls of his cell until he had made a complete circuit of it; then, similarly, he examined the floor. He discovered that he was in a rectangular chamber about ten feet long and eight wide and that by standing upon his tiptoes he could just reach the ceiling. The only opening was the door through which he had entered, in which an aperture, protected by iron bars, gave the cell its only ventilation but, as it opened upon a dark corridor, admitted no light. Tarzan examined the bolts and the hinges of the door, but they were, as he had conjectured, too substantial to be forced; and then, for the first time, he saw that a priest sat on guard in the corridor without, thus putting a definite end to any thoughts of surreptitious escape.