"Likely?" Otto Blendker snorted. "Pray let none give me an unlikely explanation, if you please! "

They pressed on through the shadows and the lurid light until they arrived at the outskirts of the ruins.

These ruins, thought Elric, had something in common with the ramshackle city of Ameeron, which he had visited on his quest for the Black Sword. But they were altogether more vast-more a collection of smaller cities, each one in a radically different architectural style.

"Perhaps this is Tanelorn, " said Corum, who had visited the place, "or, rather, all the versions of Tanelorn there have ever been. For Tanelorn exists in many forms, each form depending upon the wishes of those who most desire to find her."

"This is not the Tanelorn I expected to find, " said Hawkmoon bitterly.

"Nor I, " added Erekosл bleakly.

"Perhaps it is not Tanelorn, " said Elric. "Perhaps it is not."

"Or perhaps this is a graveyard, " said Corum distantly, frowning with his single eye. "A graveyard containing all the forgotten versions of that strange city."

They began to clamber over the ruins, their arms clattering as they moved, heading for the center of the place. Elric could tell by the introspective expressions in the faces of many of his companions that they, like him, were wondering if this were not a dream. Why else should they find themselves in this peculiar situation, unquestioningly risking their lives-perhaps their souls-in a fight with which none of them was identified?

Erekosл moved closer to Elric as they marched. "Have you noticed, " said he, "that the shadows now represent something?"

Elric nodded. "You can tell from the ruins what some of the buildings looked like when they were whole. The shadows are the shadows of those buildings-the original buildings before they became ruined."

"Just so, " said Erekosл. Together, they shuddered.

At last they approached the likely center of the place and here was a building which was not ruined. It stood in a cleared space, all curves and ribbons of metal and glowing tubes.

"It resembles a machine more than a building, " said Hawkmoon.

"And a musical instrument more than a machine, " Corum mused.

The party came to a halt, each group of four gathering about its leader. There was no question but that they had arrived at their goal.

Now that Elric looked carefully at the building he could see that it was in fact two buildings-both absolutely identical and joined at various points by curling systems of pipes which might be connecting corridors, though it was difficult to imagine what manner of being could utilize them.

"Two buildings, " said Erekosл. "We were not prepared for this. Shall we split up and attack both?"

Instinctively Elric felt that this action would be unwise. He shook his head. "I think we should go together into one, else our strength will be weakened."

"I agree, " said Hawkmoon, and the rest nodded.

Thus, there being no cover to speak of, they marched boldly toward the nearest building to a point near the ground where a black opening of irregular proportions could be discerned. Ominously, there was still no sign of defenders. The buildings pulsed and glowed and occasionally whispered, but that was all.

Elric and his party were the first to enter, finding themselves in a damp, warm passage which curved almost immediately to the right. They were followed by the others until all stood in this passage warily glaring ahead, expecting to be attacked. But no attack came.

With Elric at their head, they moved on for some moments before the passage began to tremble violently and sent Mown Serpent-tamer crashing to the floor cursing. As the man in the sea-green armor scrambled up, a voice began to echo along the passage, seemingly coming from a great distance yet nonetheless loud and irritable.

"Who? Who? Who?" shrieked the voice.

"Who? Who? Who invades me?"

The passage's tremble subsided a little into a constant quivering motion. The voice became a muttering, detached and uncertain.

"What attacks? What?"

The twenty men glanced at one another in puzzlement. At length Elric shrugged and led the party on and soon the passage had widened out into a hall whose walls, roof, and floor were damp with sticky fluid and whose air was hard to breathe. And now, somehow passing themselves through the walls of this hall, came the first of the defenders, ugly beasts who must be the servants of that mysterious brother and sister Agak and Gagak.

"Attack! " cried the distant voice. "Destroy this. Destroy it! "

The beasts were of a primitive sort, mostly gaping mouth and slithering body, but there were many of them oozing toward the twenty men, who quickly formed themselves into the four fighting units and prepared to defend themselves. The creatures made a dreadful slushing sound as they approached and the ridges of bone which served them as teeth clashed as they reared up to snap at Elric and his companions. Elric whirled his sword and it met hardly any resistance as it sliced through several of the things at once. But now the air was thicker than ever and a stench threatened to overwhelm them as fluid drenched the floor.

"Move on through them, " Elric instructed, "hacking a path through as you go. Head for yonder opening." He pointed with his left hand.

And so they advanced, cutting back hundreds of the primitive beasts and thus decreasing the breathability of the air.

"The creatures are not hard to fight, " gasped Hown Serpent-tamer, "but each one we kill robs us a little of our own chances of life."

Elric was aware of the irony. "Cunningly planned by our enemies, no doubt." He coughed and slashed again at a dozen of the beasts slithering toward him. The things were fearless, but they were stupid, too. They made no attempt at strategy.

Finally Elric reached the next passage, where the air was slightly purer. He sucked gratefully at the sweeter atmosphere and waved his companions on.

Sword-arms rising and falling, they gradually retreated back into the passage, followed by only a few of the beasts. The creatures seemed reluctant to enter the passage and Elric suspected that somewhere within it there must lie a danger which even they feared. There was nothing for it, however, but to press on and he was only grateful that all twenty had survived this initial ordeal.

Gasping, they rested for a moment, leaning against the trembling walls of the passage, listening to the tones of that distant voice, now muffled and indistinct.

"I like not this castle at all, " growled Brut of Lashmar, inspecting a rent in his cloak where a creature had seized it. "High sorcery commands it."

"It is only what we knew, " Ashnar the Lynx reminded him, and Ashnar was plainly hard put to control his terror. The fingerbones in his braids kept time with the trembling of the walls and the huge barbarian looked almost pathetic as he steeled himself to go on.

"They are cowards, these sorcerers, " Otto Blendker said. "They do not show themselves." He raised his voice. "Is their aspect so loathsome that they are afraid lest we look upon them?" It was a challenge not taken up. As they pushed on through the passages there was no sign either of Agak or his sister Gagak. It became gloomier and brighter in turns. Sometimes the passages narrowed so that it was difficult to squeeze their bodies through, sometimes they widened into what were almost halls. Most of the time they appeared to be climbing higher into the building.

Elric tried to guess the nature of the building's inhabitants. There were no steps in the castle, no artifacts he could recognize. For no particular reason he developed an image of Agak and Gagak as reptilian in form, for reptiles would prefer gently rising passages to steps and doubtless would have little need of conventional furniture. There again it was possible that they could change their shape at will, assuming human form when it suited them. He was becoming impatient to face either one or both of the sorcerers.