Jak nodded and they angled toward it.
Behind them, the trolls roared. And continued to close.
The slaadi and Riven swam abreast through the broad passage. Slabs of broken stone lined the tunnel walls and braced the ceiling. Statues, their features long ago worn away, jutted from the ruins like specters rising from the grave. The movement of the threesome through the tunnel disturbed the fine sediment of the sea floor. They left a fog of dirt in their wake.
Between the sea water, the slash from Cale's blade, and the ubiquitous dirt, Azriim despaired for his clothes. Then he realized he was becoming giddy and took control of his emotions.
The red light grew brighter and drew them in. The tunnel angled slightly downward. Azriim wondered why the trolls-if the trolls were responsible-had cleared the passage. Perhaps they worshiped at the mantle's source. They were simpletons, after all.
Ahead, an opening beckoned, as wide as the mouth of a dragon. Light poured from it. Azriim picked up his pace, swam through the portal, and found himself at the end of a large hemispherical pocket, at the very root of the ruins. Dolgan and Riven followed.
Across the chamber was the provenance of the mantle-a red shard of glowing crystal as large around as the trunk of a mature oak. One end of it jutted out of a strange mound that made up the far wall of the chamber, and the other end disappeared into the rock of the sea floor. Only part of the shard's middle section was visible. Its length must have been three or four times Azriim's height.
Invisible magical energy soaked the chamber. Azriim's body tingled in the concentrated power. Swirls and eddies of crimson and orange flowed deep within the crystal's exposed facets. Azriim found the movement hypnotic.
The wall from which the crystal extended must have been transmogrified in some way by long exposure to the magic of the source crystal. Azriim thought it some kind of unusual coral mound, for it had literally grown around the crystal. Where crystal and coral met, the coral's edge was thin and ragged, and tendrils grew out of the mound and onto the surface of the crystal. From afar, the surface of the coral looked almost like leather. Azriim had never seen anything like it.
Riven, as though reading the slaad's mind, said, That's not stone, is it?
Azriim did not bother to answer. He shook the clawed hand upon which he wore his fingerless magical glove. The movement and Azriim's mental command summoned the silver, black-veined seed of the Weave Tap. He closed his fist over it. It vibrated slightly in his hand, perhaps in response to the mantle's energy.
Beside him, Dolgan stabbed the claws of one hand into the palm of the other. Blood leaked into the water.
Do it, his broodmate projected, his excitement palpable.
Azriim nodded and swam forward. Before he had gotten halfway across the chamber, a faint shudder shook the mound out of which the shard jutted, a pulse that sent a ripple along the rock. The shard flared crimson at the movement.
That shudder looked like something an animal might do.
Understanding dawned, and Azriim stopped cold in the center of the chamber. He looked hard at the tendrils and saw them for what they really were-veins. The implications settled on him.
The wall mound was not coral; it was flesh, the flesh of an enormous animal that had melded with the crystal. Perhaps the mantle was not sentient at all. Perhaps the creature used the magic of the mantle to project its consciousness surfaceward.
But then why had it taken no notice of Azriim and his companions?
What was that? Riven projected.
Azriim shook his head. He was not certain what it was.
He stared at the wall of flesh, astounded despite himself at the size of the creature that must be buried beneath the ruins. It was so large that its size had become a disguise. It was like looking at a speck of soil and trying to infer a farm.
Azriim understood now the source of the tremors. He also realized what had eaten the whales. Probably the scrags brought the creature food, perhaps as an offering. Azriim was pleased that the source crystal did not share whatever chamber afforded access to the creature's mouth.
What are you waiting for? Dolgan asked.
Azriim swam forward. The aura of magical energy emitted by the source crystal grew more intense as he neared it. So too did the pressure in his brain. He blocked it out as best he could. Azriim felt as if he were swimming against a current. His eyes ached; his vision grew cloudy. One stroke, another.
A second ripple ran through the flesh of the beast and somewhere, deep within a hidden part of the ruins, the rest of the creature's body began to stir. The entire pile of rock shook. Debris and chunks of stone rained from the ceiling. Azriim feared the entire mountain would collapse atop him. He, Riven, and Dolgan darted out of the way of several blocks of falling stone and covered their heads.
The tremor passed. The chamber remained intact.
Do what you came to do, Riven said.
Have your teleportation rods in hand, Azriim answered. The moment I plant the seed, we return to. .
He remembered that the Sojourner had told him not to return to the pocket plane. The slaadi's father was to provide them with a new location for their return. Unfortunately, Azriim had been unable to contact his father.
. . Selgaunt. We return to Selgaunt's wharves. We will contact the Sojourner there.
Azriim withdrew his own teleportation rod and turned the dials until he had only a single half-turn remaining to activate it.
Ready to retreat, he eyed the crystal, thought of what it would mean when he planted the seed: full transformation to gray, freedom from the Sojourner. The fact that the mantle was sentient, or that tapping it might kill the huge creature, bothered Azriim not at all.
Here we go, he said, and reached out his hand toward the crystal.
He touched the silvery seed to an exposed facet and the source crystal exploded in blinding red light. Beams of crimson fired in all directions. In an instant, the current of magical energy became a maelstrom and Azriim had to kick frantically to hold his position. He watched through squinted, aching eyes as the Weave Tap seed merged with the crystal, spread its black veins throughout the facets, entwined around and strangled the veins of the creature that had melded with the crystal.
The creature gave a lurch that shook the entirety of the ruins. The sudden movement tore the beast's flesh where it had grown over and into the crystal. Red blood poured from the wound and clouded the water, mixed with the maddening red light. The mountain of ruins quaked, shook, began to collapse.
The creature was waking.
Azriim turned the dial on his teleportation rod, felt the familiar quiver in his stomach, and was gone from that place in an instant.
The Source's consciousness moved groggily toward wakefulness and as it did, the power of its nearly conscious dreams sent mental energy pouring up from the sea bottom. The energy soaked Magadon, filled him, saturated him. He opened his mind and drank it in. He felt the Source's power weaken as the Weave Tap seed took hold, but even then its consciousness was more powerful than any Magadon had ever encountered.
Ages of history and knowledge passed through his memory in little more than a flash. He understood the nature of the Source. It was a sentient Netherese mythallar, unique in Faerun's history. Its mental and magical energy could be diffused over an entire city- enough to keep a metropolis afloat, or render nonmagical items mildly magical. Or, unlike an ordinary mythallar, its power could be concentrated in a single item or person. Its sentience allowed it to answer the wants of its creator. But in its dreaming state, it did not recognize its creator, and sent its energy forth for any to use.