The Black Prism Page 123


The final layer of yellow luxin hit the ground with a boom, shaking the earth. Gavin quickly moved to inspect that everything had gone according to plan.

“One league out!” Corvan called. He was standing on top of the wall, looking out toward King Garadul’s vast army.

“Shit!”

“Here, Lord Prism!” one of the engineers called.

Gavin hurried over. The last of many big problems he’d run into in crafting a wall almost entirely of yellow luxin was that all the luxin had to be sealed. The seal was always the weakest point. If you could melt through that one area—no mean feat, but still—the whole structure would unravel. That his wall was made in sections just meant that each section had multiple seals. If any section failed, it would be catastrophic—an entire section of wall, fifty paces across, would splash into liquid light in moments.

It was probably the reason no one before Gavin had been idiot enough to make an entire wall of yellow luxin.

The solution had been simplicity itself: two layers of luxin, each protecting the other, the seals to the inside. That part was common enough among drafters, but the seal was always the last thing you touched. So you couldn’t really tuck it inside, not on something as big as a wall. You could protect one seal by covering it with more luxin and sealing that, but one seal would always be external. Most drafters would have covered the seal and covered that seal and covered that one and left it at that.

It wasn’t good enough for Gavin. He’d built the entire second layer of the wall up on supports. Then he’d built each side, sealing them on the inside. When the draft horses pulled out the supports and the second layer of wall fell into place, it left a structure where the seals—for the first time that Gavin had ever heard of—were truly protected, not just by yellow luxin, but by the vast weight of the wall itself. And as each section locked to the next, it became more and more difficult for anyone to ever lift the wall to access the seals.

Gavin was building something monumental, something pure, and it felt great. This edifice would stand long after he was dead. There weren’t many men who could claim the same. The locals were already calling it Brightwater Wall.

Hurrying over to the engineer who’d called out, Gavin found that one of the supports hadn’t been pulled all the way free. The wall had dropped on it, pounding the two-pace-wide support almost halfway into the earth, and keeping the wall from fitting the next section perfectly.

“Three minutes until our artillery will be in place!” Corvan called down.

Sonuvabitch! Gavin dropped on his knees next to the broad yellow support and brushed dirt away hurriedly. The support, unlike the wall sections, was sealed right at the surface for just this eventuality. Right… there! Gavin sent some sub-red into the seal and the entire support dissolved, the yellow luxin abruptly liquid. The wall settled with a deep rumble.

Gavin had made the tolerances too tight. He should have made those joints able to hook together even if they weren’t so well aligned. The tight joints gave the wall more strength and would keep soldiers inside dry even during rainstorms, but still.

Taking his attention off the wall for the first time in hours—it felt like days, though it was only early evening—he looked to the people assembled, looking for who he needed.

There were thousands assembled. Most of the people of Garriston wanted to see the wall being built. Vendors had set up their wagons and stalls. Minstrels wandered through, playing and prodding people for coins. Soldiers kept avenues clear and began ferrying gear and powder and ropes and shot for cannons and firewood for furnaces and additional armor and arrows and muskets. Others operated the cranes as soon as the second layer settled in place. Drafters were pouring through the inside of the wall, sealing any cracks, looking for flaws that they could fix, or larger ones that needed Gavin’s hand. The Blackguards—nearly a hundred of them—also stood nearby.

They’d told everyone to leave already, but they didn’t have the men to spare to enforce the order. The people were too curious; they knew they’d never see anything like this again in their lives. Gavin couldn’t worry about them right now. He was already feeling the tightness of impossibility squeezing his chest.

“Captain!” Gavin called. “You’ve seen the process. Get the teamsters moving as fast as they can. We’ve got sixteen more sections. Send half the teams all the way to the east side, and have half work from here out. Take six drafters. You four, you, and you. You’ve seen what I’ve done. Go do it.

“General Danavis, talk to me!” Gavin shouted. Less than a league now. It should be enough.

Gavin moved to the inside of the great arch that would hold the gate. There were open holes, tubes running down the great curving length of the wall. Gavin filled himself with light and blasted green luxin down each tube. It would give the wall some flex, but also strength to recoil from any battering ram blow. He sealed each green luxin tube at the end.

“Lord Prism,” Corvan called, holding a fresh-drafted telescope up to one eye. “It looks like they have teams pushing their artillery out in front of the army. They know we don’t have the skirmishers to go out and smash them. Damn spies! I can’t see the culverins, but we know they have half a dozen. If they fire from greatest random—” He paused, doing mental calculations. Greatest random was literally the greatest distance gunners could reach, but at almost two thousand paces for the biggest culverins, there was no such thing as aiming. “They could begin their bombardment anytime now if their crews are practiced. Within minutes, even if they’re not.”

It wasn’t the culverins Gavin was worried about. Because of the trajectory of those big guns, their shots would hit the front of the wall. Brightwater Wall could take as many direct hits as they wanted to give it. They would have to come substantially closer for the higher-trajectory howitzers and closer still for the mortars that would absolutely wreak havoc on the stubborn crowds behind the wall. Garriston’s cannons would have to knock out those guns before they could be placed, bagged, and loaded.

“Damn it, find someone who’s not doing something more important and get these damn people back,” Gavin ordered. “This isn’t a Sun Day outing! Shells are going to be landing where they sit in ten minutes!” Gavin turned back to General Danavis. “Start firing as soon as you can. Buy me time, General!”

Gavin felt more than heard the next section of wall fall into place. People were rushing everywhere, but he pushed it out of his mind and confronted the new biggest problem of all, now that the wall was actually taking shape.

He hadn’t built the gate.

He ran over to one of the cranes hoisting supplies to the top of the wall. It was already lifting off the ground as he approached, rising fast. Gavin jumped, throwing out two hooks of blue and green luxin, snagging the sides of the load. He rose fast and pulled himself up. He jumped off as soon as the load settled on top of the wall, startling the soldiers operating the crane. They froze.

“To work!” he roared. They jumped, and then jumped to it.

Gavin ran across the top of the wall, dodging men to get back to the arch above the gap where he needed to draft the gate.

Tremblefist was barking orders, sending up a small number of Blackguards to stand with Gavin—as if they could do anything to protect him from incoming shells—but not so many that they would get in the way of the defenders trying to set up the wall for any of a hundred tasks. The rest of the Blackguards took up positions in front of the empty gate.

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