A loud click turned his attention back the other way, up the hall. He knew it immediately as the latch on the door at the top of the ramp, where he and Jarlaxle had met up with, and been chased away by, the lich.
The floor and walls began to tremble with a low, rolling growl.
"Get me out of here," Jarlaxle called to him, the drow's voice gravelly and bubbly, as if he was speaking from under liquid stone, which, in fact, he was. He pushed forth one hand, reaching out to Entreri.
The thunder grew around them. Entreri poked his head around the corner.
Something bad was coming.
The assassin snapped up Jarlaxle's offered hand and tugged hard but found to his surprise that the drow was tugging back.
"No," Jarlaxle said.
Entreri glanced back up the sloping, curving hallway and his eyes went so wide they nearly fell out of his head. The thunder came in the form of a waist-high iron ball rolling fast his way.
He paused and considered how he might dodge, when before his eyes, the ball doubled in size, nearly filling the corridor.
With a shriek, the assassin fell back into the side passage, stumbled, and spun around. He glanced at Jarlaxle's form receding into the stone once more, but he had no time to stop and ponder whether his companion could escape the trap.
Entreri turned and scrambled, finally setting his feet under him and running for his life.
The explosion behind him as the massive iron ball collided with the end wall had him stumbling again, the jolt bringing him to his knees. He glanced back to see that the impact had taken most of the ball's momentum but had not ended its roll. It was coming on again, slowly, but gathering momentum.
Entreri scrambled on all fours, cursing at Jarlaxle yet again for bringing him to this place. He got his feet under him and sprinted away, putting distance between himself and the ball. That wouldn't hold, he knew, for the ball was gaining speed, and the corridor wound along and down the circular tower for a long, long way.
He sprinted and looked for some way out. He shouldered each door as he passed but was not surprised to discover that the trap had sealed the portals. He looked for a place where the ceiling was higher, where he might climb and let the ball pass under him.
But there was nothing.
He glanced back to see if the ball hugged one wall or the other, that he might slide down beside it, but to his amazement, if not his surprise, the ball grew yet again, until its sides practically scraped the walls.
He ran.
The shaking made his teeth hurt in his mouth. Inside the stone, every reverberation as the sphere smashed the wall echoed within Jarlaxle's very being. He felt it to his bones.
For a moment, there was only blackness, then the ball began to recede, rolling along the adjacent corridor.
Jarlaxle took a couple of deep breaths. He had survived that one but feared he might need to find a new companion.
He started to push out of the stone again but stopped when he heard a familiar wheezing laughter.
He fell back, his eyes gazing out through a thin shield of stone, and the lich stood before him. The drow didn't dare breathe or move.
The lich wasn't looking at him but stared down the corridor, cackling victoriously. To Jarlaxle's great relief, the powerful undead creature began moving away, gliding as if it was floating on water.
Jarlaxle wondered if he could just press backward out of the tower then simply levitate to float to the ground and be gone from the place. He noticed the obvious wounds on the lich, though, inflicted by Entreri's reversal of the lightning bolt and the heavy strike of Charon's Claw, and another possibility occurred to him.
He had come with the idea of treasure after all, and it would be such a shame to leave empty handed.
He let the lich glide down around the bend. Then the drow began to push out from the wall.
"It has to be an illusion," Artemis Entreri told himself repeatedly. Iron balls didn't grow, after all, but how could it be? It was so real, in sound, shape, and feeling… how could any illusion so perfectly mimic such a thing?
The trick to beating an illusion was to set your thoughts fully against it, Entreri knew, to deny it, heart and soul. He glanced back again, and he knew that such was not a possibility.
He tried to block out the mounting thunder behind him. He put his head down and sprinted, forcing himself to recall all the details of the corridor before him. No longer did he try to shoulder the doors, for they were closed to him and he was only losing time in the futile effort.
He pulled the small pack from his back as he ran. He produced a silken cord and grapnel and tossed the bag to the floor behind him, hoping against hope that it would interrupt the gathering momentum of the stone ball.
It didn't. The ball flattened it.
Entreri didn't allow his thoughts to drift back to the rolling menace, but rather, worked the cord frantically, finding its length, picturing the spot in the corridor still some distance ahead, gauging the length he'd need.
The floor shook beneath him. He thought every step would be his last, with the sphere barreling over him.
Jarlaxle had once told him that even an illusion could kill a man if he believed in it.
And Entreri believed in it.
His instincts told him to throw himself flat to the floor off to the side, in the prayer that there would be enough room for him between the sharp corner and the rounded edge of his pursuer. He never found the heart to follow that, though, and he quickly put it out of his mind, focusing instead on the one best chance that lay before him.
Entreri readied the cord as he sprinted for all his life. He bounded around the next bend, the ball right behind. He ran past where the wall at his right-hand side dropped into a waist-high railing, opening into the center of the large tower, with the hallway continuing to circle along its perimeter.
Out went the grapnel, expertly thrown to loop around the large chandelier that was set in the top of the tower's cavernous foyer.
Entreri continued to run flat out. He had no choice, for to stop was to be crushed. The cord was set firmly in his hands, and when the slack wore out he let it force him to veer to the right. It yanked him right over the railing as the rolling iron sphere rushed past, ever so slightly clipping him on the shoulder as he swooped out into the air. He spun in tight circles within the larger circles of the rope's momentum.
He managed to watch the continued descent of the ball, thumping down along the edges, but was quickly distracted by a more ominous creaking from above.
Entreri scrambled, hands working to free up and drop the rope below him. He started his slide with all speed, hand-running down the rope. He felt a sudden jerk, then another as the decorated crystal chandelier pulled free of the ceiling.
Then he was falling.
The door stood slightly ajar. Given the trap he'd set off, there was no reason for the «innkeeper» to believe any of the intruders would be able to get up to it. Still, the drow drew out a wand and expended a bit of its magic. The door and the jamb glowed a solid and unbroken light blue, revealing no traps, magical or mechanical.
Jarlaxle moved up and gingerly pushed through.
The room, the top floor of the tower, was mostly bare. The gray stone walls were unadorned, sweeping in a semi-circle behind a singular large, wide-backed chair of polished wood. Before that seat lay a book, opened atop a pedestal.
No, not a pedestal, Jarlaxle realized as he crept in closer.
The book was suspended on a pair of thick tendrils that reached down to the floor of the room and right into the stone.
The drow grinned, knowing that he had found the heart of the construction, the magical architect of the tower itself. He moved in and around the book, giving it a wide berth, then came up on it beside the chair. He glanced at the writing from afar and recognized a few magical runes there. A quick recital of a simple spell brought those runes into better focus and clarity.