Then, to your surprise, Algard approaches you. "So," he says, seemingly confused. "The problem is that the sun is in the wrong place some of the time, right?"
You blink at him. "Yes?"
"Why don't you just move it, then?"
What. "What?"
"Well, not move it, move it. But just, you know. Swap two parts of the sky for a bit."
What. "What?"
"So the sun can shine the shadow wherever you want it to."
You try to find thoughts. "That... would help, yes. Is that feasible?"
He shrugs. "With three, four power stones? Sure. Can't have a proper Tower without power stones. I'll rustle them up."
You stare after the Magister Patriarch as he bustles off, cheerfully humming.
---
You're reeling from that encounter as you almost run into Kragg and Gunnars. "So," Kragg says, launching straight into conversation and leaving it to any listeners to catch up at their own pace. "Grungni discovered many of the Runes, and Thungni discovered most of the rest. But I've been reminded that it was Gazul that discovered the Runes of Grungni, Valaya, and Grimnir. And, of course, the Rune of Gazul." Gunnars nods in confirmation. "Didn't sit right with me that this masterwork of yours is all about something called 'Burning Shadows' but there's no actual fire, and since you're a fan of swords, I decided there was no better fire than that of Gazul's burning sword."
"As far as I understand, it shouldn't interfere with the workings of your magic," Gunnars says. "Zharrvengryn is not of normal fire. It consumes light, rather than emitting it."
You give your stunned acquiescence, and for weeks you watch as Algard and Kragg have loud but enthusiastic disagreements over the fundamental nature of magic, and day by day the largest Rune you have ever seen is constructed out of layer after layer of ground diamond. Apparently Gazul's realm is metaphorically below the mountains, and diamonds are born literally below the mountains, so there's a conceptual link between the two. Unlike other Runes you've seen made, this one doesn't snap into a new nature once complete; the air chills in an instant as a blue fire you can only see out of the corner of your eyes burns its way slowly through the diamond dust, leaving it transparent and utterly invisible unless you can spot how light bends as it passes through the Rune. Then, to your surprise, it is not installed in the tower. It is, instead, buried in the deepest point of Karag Nar, right on the boundary between where mountain ends and where the rest of the world begins. It's also directly under the tower, measured to within a hair, and over the course of weeks a steel beam is built from the tower to the Rune, displacing several rooms in the process and leaving a rather forbidding steel pillar glowing with a faint blue light in the center of your entrance hall.
The downside to all of this is that when you ask Panoramia if she thinks it'd be a good idea to use the eternally-burning fires of Dwarven Hell to weed her gardens, she laughs, looks at you, realizes you're not kidding, says "no" a lot and then runs away.
