light dimmed to reveal Szeth standing between Dalinar and Ishar, brandishing his strange black Shardblade. His illusion melted off like paint in the rain, breaking into Light—which was sucked into the sword and consumed.

“Where,” Szeth said to Ishar, his voice quiet, “did you get that Blade you bear?”

The Herald seemed not to have heard him. He was staring at Szeth’s sword as it dripped black liquid smoke. Around it, the white light of the perpendicularity warped and was consumed, like water down a drain.

Szeth spun and stabbed the sword into the heart of the perpendicularity. The Stormfather shouted in anger as the perpendicularity collapsed, folding in upon itself.

In a flash, the world was full of color again. All five Windrunners lay on the ground, but they were stirring. Ishar scrambled to his feet before Szeth—who stood with one arm wreathed in black tendrils, gripping the sword that dripped nightmares and bled destruction.

[...]

Are you all right? he asked the Stormfather.

Yes. He tried to steal our bond. It should not be possible, but Honor no longer lives to enforce his laws.…

The perpendicularity. Did Szeth … destroy it?

Don’t be foolish, the Stormfather said. No creation of mortal hands could destroy the power of a Shard of Adonalsium. He merely collapsed it. You could summon it again.