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salt and hear rushing waves; a light, chilly breeze ruffled her hair as she looked out at moonlit sea and star-strewn sky.

She was standing upon a high outcrop of dark rock, water foaming and churning below her. She glanced over her shoulder. A towering cliff stood behind them, a sheer drop,black and faceless. A few large chunks of rock, such as the one upon which Elara, Harry, and Dumbledore were standing, looked as though they had broken away from the cliff face at some point in the past. It was a bleak, harsh view, the sea and the rock unrelieved by any tree or sweep of grass or sand.

"What do you think?" asked Dumbledore.

He might have been asking their opinion on whether it was a good site for a picnic.

"They brought the kids from the orphanage here?" asked Elara, who could not imagine a less cozy spot for a day trip.

"Not here, precisely," said Dumbledore. "There is a village of sorts about halfway along the cliffs behind us. I believe the orphans were taken there for a little sea air and a view of the waves. No, I think it was only ever Tom Riddle and his youthful victims who visited this spot. No Muggle could reach this rock unless they were uncommonly good mountaineers, and boats cannot approach the cliffs, the waters around them are too dangerous. I imagine that Riddle climbed down; magic would have served better than ropes. And he brought two small children with him, probably for the pleasure of terrorizing them. I think the journey alone would have done it, don't you?"

Elara looked up at the cliff again and felt goosebumps.

"But his final destination — and ours — lies a little farther on. Come."

Dumbledore beckoned Elara and Harry to the very edge of the rock where a series of jagged niches made footholds leading down to boulders that lay half-submerged in water and closer to the cliff. It was a treacherous descent and Dumbledore, hampered slightly by his withered hand, moved slowly. The lower rocks were slippery with seawater. Elara could feel flecks of cold salt spray hitting her face.

"Lumos," said Dumbledore, as he reached the boulder closest to the cliff face.

A thousand flecks of golden light sparkled upon the dark surface of the water a few feet below where he crouched; the black wall of rock beside him was illuminated too.

"You see?" said Dumbledore quietly, holding his wand a little higher. Elara saw a fissure in the cliff into which dark water was swirling. "You will not object to getting a little wet?"

"No," said Harry.

"Course not."

"Then take off the Invisibility Cloak — there is no need for it now — and let us take the plunge."

And with the sudden agility of a much younger man, Dumbledore slid from the boulder, landed in the sea, and began to swim, with a perfect breaststroke, toward the dark slit in the rock face, his lit wand held in his teeth. Elara waited as Harry pulled off his cloak, stuffed it into his pocket, and together they followed. The water was icy; Elara's waterlogged clothes weighed her down. Taking deep breaths that filled her nostrils with the tang of salt and seaweed, she struck out for the shimmering, shrinking light now moving deeper into the cliff.

The fissure soon opened into a dark tunnel that Elara could tell would be filled with water at high tide. The slimy walls were barely three feet apart and glimmered like wet tar in the passing light of Dumbledore's wand. A little way in, the passageway curved to the left, and Elara saw that it extended far into the cliff. She and Harry continued to swim in Dumbledore's wake, the tips of her benumbed fingers brushing the rough, wet rock. Then she saw Dumbledore rising out of the water ahead, his silver hair and dark robes gleaming. When Elara reached the spot she found steps that led into a large cave.

She and Harry clambered up them, water streaming from their soaking clothes, and emerged, shivering uncontrollably, into the still and freezing air. Dumbledore was standing in the middle of the cave, his wand held high as he turned slowly on the spot, examining the walls and ceiling.

"Yes, this is the place," said Dumbledore.

"How can you tell?" Harry spoke in a whisper.

"It has known magic," said Dumbledore simply.

Elara could not tell whether the shivers she was experiencing were due to her spine-deep coldness or to the same awareness of enchantments. She watched as Dumbledore continued to revolve on the spot, evidently concentrating on things Elara could not see.

"This is merely the antechamber, the entrance hall," said Dumbledore after a moment or two. "We need to penetrate the innerplace. . . . Now it is Lord Voldemort's obstacles that stand in ourway, rather than those nature made. . . ."

Dumbledore approached the wall of the cave and caressed it with his blackened fingertips, murmuring words in a strange tongue that Elara did not understand. Twice Dumbledore walked right around the cave, touching as much of the rough rock as he could, occasionally pausing, running his fingers backward and forward over a particular spot, until finally he stopped, his hand pressed flat against the wall.

"Here," he said. "We go on through here. The entrance is concealed."

Elara did not ask how Dumbledore knew. She had never seen a wizard work things out like this, simply by looking and touching; but Elara had long since learned that bangs and smoke were more often the marks of ineptitude than expertise. Dumbledore stepped back from the cave wall and pointed his wand at the rock. For a moment, an arched outline appeared there, blazing white as though there was a powerful light behind the crack.

"You've d-done it!" said Harry through chattering teeth, but before the words had left his lips the outline had gone, leaving the rock as bare and solid as ever.

Dumbledore looked around.

"I'm so sorry, I forgot," he said; he now pointed his wand at Elara and Harry and at once, their clothes were as warm and dry as if they had been hanging in front of a blazing fire.

"Thank you," said Elara and Harry gratefully, but Dumbledore had already turned his attention back to the solid cave wall.

He did not try any more magic, but simply stood there staring at it intently, as though something extremely interesting was written on it. Elara stayed quite still; she did not want to break Dumbledore's concentration.

Then, after two solid minutes, Dumbledore said quietly, "Oh, surely not. So crude."

"What is it, Professor?"

"I rather think," said Dumbledore, putting his uninjured hand inside his robes and drawing out a short silver knife of the kind Elara used to chop potion ingredients, "that we are required to make payment to pass."

"Payment?" said Harry. "You've got to give the door something?"

"Yes," said Dumbledore. "Blood, if I am not much mistaken."

"Blood?"

"I said it was crude," said Dumbledore, who sounded disdainful,even disappointed, as though Voldemort had fallen short of the standards Dumbledore expected. "The idea, as I am sure you will have gathered, is that your enemy must weaken him or herself to enter. Once again, Lord Voldemort fails to grasp that there are much more terrible things than physical injury."

"Yeah, but still, if you can avoid it . . ." said Elara, who had experienced enough pain not to be keen for more.

"Sometimes, however, it is unavoidable," said Dumbledore, shaking back the sleeve of his robes and exposing the forearm of his injured hand.

"Professor!" protested Elara, hurrying forward as Dumbledore raised his knife, "I should do it. My job is to protect the Wizarding World, and that includes you."

Dumbledore considered her for a moment. Perhaps he did not expect Elara to be willing to cut her arm in place of someone else, but after a short pause, he nodded and gave the knife over. There was a flash of silver, and a spurt of scarlet; the rock face was peppered with dark, glistening drops.

Harry did not look happy.

"You are very kind, Elara," said Dumbledore, now passing the tip of his wand over the deep cut she had made in her own arm, so that it healed instantly, just as Snape had healed Malfoy's wounds.

The blazing silver outline of an arch had appeared in the wall once more, and this time it did not fade away: The blood-spattered rock within it simply vanished, leaving an opening into what seemed total darkness.

"After me, I think," said Dumbledore, and he walked through the archway with Elara and Harry on his heels, lighting their own wands hastily as they went.

An eerie sight met their eyes: They were standing on the edge of a great black lake, so vast that Elara could not make out the distant banks, in a cavern so high that the ceiling too was out of sight. A misty greenish light shone far away in what looked like the middle of the lake; it was reflected in the completely still water below. The greenish glow and the light from the two wands were the only things that broke the otherwise velvety blackness, though their rays did not penetrate as far as Elara would have expected. The darkness was somehow denser than normal darkness.

"Let us walk," said Dumbledore quietly. "Be very careful not to step into the water. Stay close to me."

He set off around the edge of the lake, and Elara and Harry followed close behind him. Their footsteps made echoing, slapping sounds on the narrow rim of rock that surrounded the water. On and on they walked, but the view did not vary: on one side of them, the rough cavern wall, on the other, the boundless expanse of smooth, glassy blackness, in the very middle of which was that mysterious greenish glow. Elara found the place and the silence oppressive, unnerving.

"Professor?" said Harry finally. "Do you think the Horcrux is here?"

"Oh yes," said Dumbledore. "Yes, I'm sure it is. The question is, how do we get to it?"

"We couldn't . . . we couldn't just try a Summoning Charm?"

"Certainly we could," said Dumbledore, stopping so suddenly that Elara and Harry almost walked into him. "Why don't you do it?"

"Me? Oh . . . okay . . ." Harry seemed to not have expected this, but cleared his throat and said loudly, wand aloft, "Accio Horcrux!"

With a noise like an explosion, something very large and pale erupted out of the dark water some twenty feet away; before Elara could see what it was, it had vanished again with a crashing splash that made great, deep ripples on the mirrored surface. Elara leapt backward in shock and hit the wall; her heart was still thundering as she turned to Dumbledore.

"What the hell was that?"

"Something, I think, that is ready to respond should we attempt to seize the Horcrux."

Elara looked back at the water. The surface of the lake was once more shining black glass: The ripples had vanished unnaturally fast; Elara's heart, however, was still pounding.

"Did you think that would happen, sir?" asked Harry, seemingly as terrified as Elara.

"I thought something would happen if we made an obvious attempt to get our hands on the Horcrux. That was a very good idea, Harry; much the simplest way of finding out what we are facing."

"But we don't know what the thing was," said Harry, looking at the sinisterly smooth water.

"What the things are, you mean," said Dumbledore. "I doubt very much that there is only one of them. Shall we walk on?"

"Professor?"

"Yes, Harry?"

"Do you think we're going to have to go into the lake?"

"Into it? Only if we are very unfortunate."

"You don't think the Horcrux is at the bottom?"

"Oh no . . . I think the Horcrux is in the middle."

And Dumbledore pointed toward the misty green light in the center of the lake.

"So we're going to have to cross the lake to get to it?"

"Yes, I think so."

Elara did not say anything. Her thoughts were all of water monsters, of giant serpents, of demons, kelpies, and sprites. . . . What good is manipulating fire when you're in a cave surrounded by water?

"Aha," said Dumbledore, and he stopped again; this time, Harry did walk into him; for a moment he toppled on the edge of the dark water, and Elara reacted impossibly fast, pulling Harry back to her.

"So sorry, Harry, I should have given warning. Stand back against the wall, please; I think I have found the place."

Elara had no idea what Dumbledore meant; this patch of dark bank was exactly like every other bit as far as she could tell, but Dumbledore seemed to have detected something special about it.This time he was running his hand, not over the rocky wall, but through the thin air, as though expecting to find and grip something invisible.

"Oho," said Dumbledore happily, seconds later.

His hand had closed in midair upon something Elara could not see. Dumbledore moved closer to the water; she watched nervously as the tips of Dumbledore's buckled shoes found the utmost edge of the rock rim. Keeping his hand clenched in midair, Dumbledore raised his wand with the other and tapped his fist with the point. Immediately a thick coppery green chain appeared out of thin air, extending from the depths of the water into Dumbledore's clenched hand. Dumbledore tapped the chain, which began to slide through his fist like a snake, coiling itself on the ground with a clinking sound that echoed noisily off the rocky walls, pulling something from the depths of the black water.

Elara and Harry gasped as the ghostly prow of a tiny boat broke the surface, glowing as green as the chain, and floated, with barely a ripple, toward the place on the bank where they all stood.

"How did you know that was there?" Elara asked in astonishment.

"Magic always leaves traces," said Dumbledore, as the boat hit the bank with a gentle bump, "sometimes very distinctive traces. I taught Tom Riddle. I know his style."

"Is . . . is this boat safe?" said Harry, eyeing the boat warily.

"Oh yes, I think so. Voldemort needed to create a means to cross the lake without attracting the wrath of those creatures he had placed within it in case he ever wanted to visit or remove his Horcrux."

"So the things in the water won't do anything to us if we cross in Voldemort's boat?"

"I think we must resign ourselves to the fact that they will, at some point, realize we are not Lord Voldemort. Thus far, however, we have done well. They have allowed us to raise the boat."

"But why have they let us?" asked Elara, who could not shake off the vision of tentacles rising out of the dark water the moment they were out of sight of the bank.

"Voldemort would have been reasonably confident that none but a very great wizard would have been able to find the boat," said Dumbledore. "I think he would have been prepared to risk whatwas, to his mind, the most unlikely possibility that somebody else would find it, knowing that he had set other obstacles ahead that only he would be able to penetrate. We shall see whether he is right."

"Damn," said Elara, placing her hands on her hips, "Voldemort was beat by an old man and two angsty kids."

Dumbledore laughed.

"It doesn't look like it was built for three people. Will it hold of us? Will we be too heavy together?" asked Harry.

"Voldemort will not have cared about the weight, but about the amount of magical power that crossed his lake. I rather think an enchantment will have been placed upon this boat so that only one wizard at a time will be able to sail in it."

"But then — ?"

"I do not think either of you will count, Harry: You are both underage and unqualified. Voldemort would never have expected two sixteen-year-olds to reach this place: I think it unlikely that your powers will register compared to mine.

"Voldemort's mistake, you two, Voldemort's mistake . . . Age is foolish and forgetful when it underestimates youth. . . . Now, you first this time, and be careful not to touch the water."

Boomers, Elara thought as she rolled her eyes.

Dumbledore stood aside and Elara and Harry climbed carefully into the boat. Dumbledore stepped in too, coiling the chain onto the floor. They were crammed in together; Elara could not comfortably sit, but still hugged her knees to her chest, and the boat began to move at once.

There was no sound other than the silken rustle of the boat's prow cleaving the water; it moved without their help, as though an invisible rope was pulling it onward toward the light in the center. Soon they could no longer see the walls of the cavern; they might have been at sea except that there were no waves. Elara looked down and saw the reflected gold of his wandlight sparkling and glittering on the black water as they passed. The boatwas carving deep ripples upon the glassy surface, grooves in the dark mirror. . . .

And then Elara saw it, marble white, floating inches below the surface.

"Professor!" she said, and her startled voice echoed loudly over the silent water.

"Elara?"

"I think I saw a hand in the water — a human hand!"

"Yes, I am sure you did," said Dumbledore calmly.

Harry stared down into the water, looking for the vanished hand.

"So that thing that jumped out of the water — ?"

But Harry had his answer before Dumbledore could reply; the wandlight had slid over a fresh patch of water and showed, this time, a dead man lying faceup inches beneath the surface, his open eyes misted as though with cobwebs, his hair and his robes swirling around him like smoke.

"There are bodies in here!" said Harry, and his voice sounded much higher than usual and most unlike his own.