Szeth didn't move.

"Well?" the guard said. "What are you waiting for?"

Szeth breathed in deeply, drawing forth the Stormlight. It streamed into him, siphoned from the twin sapphire lamps on the walls, sucked in as if by his deep inhalation. The Stormlight raged inside of him, and the hallway suddenly grew darker, falling into shade like a hilltop cut off from the sun by a transient cloud.

Szeth could feel the Light's warmth, its fury, like a tempest that had been injected directly into his veins. The power of it was invigorating but dangerous. It pushed him to act. To move. To strike.

Holding his breath, he clung to the Stormlight. He could still feel it leaking out. Stormlight could be held for only a short time, a few minutes at most. It leaked away, the human body too porous a container. He had heard that the Voidbringers could hold it in perfectly. But, then, did they even exist? His punishment declared that they didn't. His honor demanded that they did.

Afire with holy energy, Szeth turned to the guards. They could see that he was leaking Stormlight, wisps of it curling from his skin like luminescent smoke. The lead guard squinted, frowning. Szeth was sure the man had never seen anything like it before. As far as he knew, Szeth had killed every stonewalker who had ever seen what he could do.

"What…what are you?" The guard's voice had lost its certainty. "Spirit or man?"

"What am I?" Szeth whispered, a bit of Light leaking from his lips as he looked past the man down the long hallway. "I'm…sorry."

Szeth blinked, Lashing himself to that distant point down the hallway. Stormlight raged from him in a flash, chilling his skin, and the ground immediately stopped pulling him downward. Instead, he was pulled toward that distant point-it was as if, to him, that direction had suddenly become down.

This was a Basic Lashing, first of his three kinds of Lashings. It gave him the ability to manipulate whatever force, spren, or god it was that held men to the ground. With this Lashing, he could bind people or objects to different surfaces or in different directions.

From Szeth's perspective, the hallway was now a deep shaft down which he was falling, and the two guards stood on one of the sides. They were shocked when Szeth's feet hit them, one for each face, throwing them over. Szeth shifted his view and Lashed himself to the floor. Light leaked from him. The floor of the hallway again became down, and he landed between the two guards, clothes crackling and dropping flakes of frost. He rose, beginning the process of summoning his Shardblade.

One of the guards fumbled for his spear. Szeth reached down, touching the soldier's shoulder while looking up. He focused on a point above him while willing the Light out of his body and into the guard, Lashing the poor man to the ceiling.

The guard yelped in shock as up became down for him. Light trailing from his form, he crashed into the ceiling and dropped his spear. It was not Lashed directly, and clattered back down to the floor near Szeth.

To kill. It was the greatest of sins. And yet here Szeth stood, Truthless, profanely walking on stones used for building. And it would not end. As Truthless, there was only one life he was forbidden to take.

And that was his own.

At the tenth beat of his heart, his Shardblade dropped into his waiting hand. It formed as if condensing from mist, water beading along the metal length. His Shardblade was long and thin, edged on both sides, smaller than most others. Szeth swept it out, carving a line in the stone floor and passing through the second guard's neck.

As always, the Shardblade killed oddly; though it cut easily through stone, steel, or anything inanimate, the metal fuzzed when it touched living skin. It traveled through the guard's neck without leaving a mark, but once it did, the man's eyes smoked and burned. They blackened, shriveling up in his head, and he slumped forward, dead. A Shardblade did not cut living flesh; it severed the soul itself.

Above, the first guard gasped. He'd managed to get to his feet, even though they were planted on the ceiling of the hallway. "Shardbearer!" he shouted. "A Shardbearer assaults the king's hall! To arms!"

Finally, Szeth thought. Szeth's use of Stormlight was unfamiliar to the guards, but they knew a Shardblade when they saw one.

Szeth bent down and picked up the spear that had fallen from above. As he did so, he released the breath he'd been holding since drawing in the Stormlight. It sustained him while he held it, but those two lanterns hadn't contained much of it, so he would need to breathe again soon. The Light began to leak away more quickly, now that he wasn't holding his breath.

Szeth set the spear's butt against the stone floor, then looked upward. The guard above stopped shouting, eyes opening wide as the tails of his shirt began to slip downward, the earth below reasserting its dominance. The Light steaming off his body dwindled.

He looked down at Szeth. Down at the spear tip pointing directly at his heart. Violet fearspren crawled out of the stone ceiling around him.

The Light ran out. The guard fell.

He screamed as he hit, the spear impaling him through the chest. Szeth let the spear fall away, carried to the ground with a muffled thump by the body twitching on its end. Shardblade in hand, he turned down a side corridor, following the map he'd memorized. He ducked around a corner and flattened himself against the wall just as a troop of guards reached the dead men. The newcomers began shouting immediately, continuing the alarm.

His instructions were clear. Kill the king, but be seen doing it. Let the Alethi know he was coming and what he was doing. Why? Why did the Parshendi agree to this treaty, only to send an assassin the very night of its signing?

More gemstones glowed on the walls of the hallway here. King Gavilar liked lavish display, and he couldn't know that he was leaving sources of power for Szeth to use in his Lashings. The things Szeth did hadn't been seen for millennia. Histories from those times were all but nonexistent, and the legends were horribly inaccurate.

Szeth peeked back out into the corridor. One of the guards at the intersection saw him, pointing and yelling. Szeth made sure they got a good look, then ducked away. He took a deep breath as he ran, drawing in Stormlight from the lanterns. His body came alive with it, and his speed increased, his muscles bursting with energy. Light became a storm inside of him; his blood thundered in his ears. It was terrible and wonderful at the same time.

Two corridors down, one to the side. He threw open the door of a storage room, then hesitated a moment-just long enough for a guard to round the corner and see him-before dashing into the room. Preparing for a Full Lashing, he raised his arm and commanded the Stormlight to pool there, causing the skin to burst alight with radiance. Then he flung his hand out toward the doorframe, spraying white luminescence across it like paint. He slammed the door just as the guards arrived.

The Stormlight held the door in the frame with the strength of a hundred arms. A Full Lashing bound objects together, holding them fast until the Stormlight ran out. It took longer to create-and drained Stormlight far more quickly-than a Basic Lashing. The door handle shook, and then the wood began to crack as the guards threw their weight against it, one man calling for an axe.

Szeth crossed the room in rapid strides, weaving around the shrouded furniture that had been stored here. It was of red cloth and deep expensive woods. He reached the far wall and-preparing himself for yet another blasphemy-he raised his Shardblade and slashed horizontally through the dark grey stone. The rock sliced easily; a Shardblade could cut any inanimate object. Two vertical slashes followed, then one across the bottom, cutting a large square block. He pressed his hand against it, willing Stormlight into the stone.