"I suppose that's one of the few advantages we do have," Halt told them. "They're savage and merciless and more intelligent than Wargals. But they're not human. They are totally single-minded. Show them a victim and they'll hunt him down and kill him or die themselves in the attempt. But they can only keep track of one victim at a time. Between killings, they'll return to their lair. Then Morgarath – or one of his underlings – will prime them for their next victim and they'll head out again. Our best hope is to intercept them on the way if they've been given a new target. Or kill them in their lair if they haven't."

Will looked for the thousandth time at the featureless grass plain that lay before them. Somewhere out there, the two fearsome creatures were waiting, perhaps with a new victim already in mind. Halt's voice interrupted his train of thought. "Sun's going down," he said. "We may as well camp here." They swung down stiffly from their saddles, easing the girths to make their horses more comfortable. "That's one thing about this blasted place," Gilan said, looking around them. "One spot is as good as another to camp. Or as bad." Will woke from a dreamless sleep to the touch of Halt's hand on his shoulder. He tossed back the cloak, glanced at the scudding moon overhead and frowned. He couldn't have been asleep for more than an hour. He started to say so, but Halt stopped him, placing a finger to his lips for silence. Will looked around and realized Gilan was already awake, standing above him, his head turned to the northeast, back the way they had come, listening.

Will came to his feet, moving carefully to avoid making any undue noise. His hands had automatically gone to his weapons, but he relaxed as he realized there was no immediate threat. The other two were listening intently. Then Halt raised a hand and pointed to the north. "There it is again," he said softly.

Then Will heard it, above the moaning of the Stone Flutes and the soughing of the wind through the grass, and the blood froze in his veins. It was a high-pitched, bestial howl that ululated and climbed in pitch. An inhuman sound carried to them on the wind from the throat of a monster.

Seconds later, another howl answered the first. Slightly deeper in pitch, it seemed to come from a position a little to the left of the first. Without needing to be told, Will knew what the sounds meant. "It's the Kalkara," Halt said grimly. "They have a new target and they're hunting."

Chapter 27

THE THREE COMPANIONS SPENT A SLEEPLESS NIGHT AS THE hunting cries of the Kalkara dwindled to the north. When they first heard the sounds, Gilan had moved to saddle Blaze, the bay horse snorting nervously at the fearsome howling of the two beasts. Halt, however, gestured for him to stop. "I'm not going after those things in the dark," he said briefly. "We'll wait till first light, then look for their tracks." The tracks were easy enough to find, as the Kalkara obviously made no attempt to conceal their passing. The long grass had been crushed by the two heavy bodies, leaving a clear trail pointing east-northeast. Halt found the trail left by the first of the two monsters, then a few minutes later, Gilan found the second, about a quarter-kilometer to the left and traveling parallel-close enough to provide support in case of an attack, but distant enough to avoid any trap set for its brother.

Halt considered the situation for a few moments, then came to a decision. "You stay with the second one," he told Gilan. "Will and I will follow this one. I want to make sure they both keep heading in the same direction. I don't want one of them doubling back to come behind us."

"You think they know we're here?" Will asked, working hard to keep his voice sounding steady and disinterested. "They could. There's been time for that Plainsman we saw to have warned them. Or maybe it's just coincidence and they're heading out on their next mission." He glanced at the trail of crushed grass, moving irrevocably in one constant direction. "They certainly seem to have a purpose." He turned to Gilan again. "In any event, keep your eyes peeled and pay close attention to Blaze. The horses will sense these beasts before we will. We don't want to run into an ambush." Gilan nodded and swung Blaze away to return to the second trail. At a hand signal from Halt, the three Rangers began riding forward, following the direction the Kalkara had taken. "I'll watch the trail," Halt told Will. "You keep an eye on Gilan, just in case." Will turned his attention to the tall Ranger, some two hundred meters away and keeping pace with them. Blaze was only visible from the shoulders up, his lower half masked by the long grass. From time to time, undulations in the intervening ground took both rider and horse out of sight, and the first time this happened, Will reacted with a cry of alarm as Gilan simply seemed to disappear into the ground. Halt turned quickly, an arrow already at half draw, but at that moment, Gilan and Blaze reappeared, seemingly unconscious of the moment of panic they'd caused. "Sorry," Will muttered, annoyed that he'd allowed his nerves to get the better of him. Halt regarded him shrewdly. "That's all right," he said steadily. "I'd rather you let me know any time you even think there's a problem." Halt knew only too well that, having called a false alarm once, Will might be reluctant to react next time – and that could be fatal for all of them.

"Tell me every time you lose sight of Gilan. And tell me again when he reappears," he said. Will nodded, understanding his teacher's reasoning.

And so they rode on, the keening cry of the Flutes swelling in their ears again as they approached the stone circle. This time, they would pass much closer, Will realized, as the Kalkara seemed to be heading straight for the site. As they rode, their passage was marked by intermittent reports from Will. "He's gone… still gone… All right. I see him again." The dips and rises in the ground were virtually invisible under the waving cover of tall grass. In fact, Will was never sure whether it was Gilan passing through a depression or he and Halt. Often it was a combination of both.

There was one bad time Gilan and Blaze sank from sight and didn't reappear within the customary few seconds. "I can't see him…" Will reported. Then: "Still gone… still gone… no sign of him…" His voice began to rise in pitch as the tension grew within him. "No sign of them…still no sign… " Halt brought Abelard to a stop, his bow ready once again, his eyes searching the ground to their left as they waited for Gilan to reappear. He let go a piercing whistle, three ascending notes. There was a pause, then an answering whistle, this time the same three notes in descending order, came clearly to them. Will heaved a sigh of relief and just at that moment Gilan reappeared, large as life. He faced them and made a large gesture with both arms raised in an obvious question: What's the problem?

Halt made a negative gesture and they moved on.

As they approached the Stone Flutes, Halt became more and more watchful. The Kalkara that he and Will were trailing was heading straight toward the circle. He reined in Abelard and shaded his eyes, studying the dismal gray rocks intently, looking for movement or any sign that the Kalkara might be lying in wait to ambush them.

"It's the only decent cover for miles around," he said. "Let's not take the chance that the damn thing could be lurking in there waiting for us. We'll go a little carefully, I think." He signaled for Gilan to join them and explained the situation. Then they split up to form a wide perimeter around the Stones, riding in slowly from three different directions, checking their horses for any possible sign of reaction as they came closer. But the site was empty, although close-up, the jangling moan of the wind through the flute holes was close to unbearable. Halt chewed his lip reflectively, staring out across the sea of grass at the two undeviating trails left by the Kalkara. "This is taking us too long," he said finally. "As long as we can see their trails for a couple of hundred meters ahead, we'll move faster. Slow down when you come to a rise or any time when the trail isn't visible for more than fifty meters." Gilan nodded his understanding and resumed his wide position. They urged their horses on now in a canter, the easy lope of the Ranger horse that would eat the kilometers ahead of them. Will maintained his watch on Gilan and whenever the visible trail diminished, either Halt or Gilan would whistle and they would slow to a walk until the ground opened up again before them.