Runes of the Prime - The Rune Fire Cycle, #2

"What kind of home are we returning to that a man has to be able to defend himself with the sword?" These heavy thoughts preoccupy Bryndor, who is trapped in the Valley of the Cloud Walkers. Violent supernatural storms devastate the summit of the Korjinth Mountains, insulating and isolating any in the valley. He uses the time to train with the sword, to understand his wolvryn companion and something of his place in the world.
In Aarindorn, Karragin leads Outriders on missions against grotvonen. But something else lurks among the hordes under the mountains, something that hints at the resurgence of an evil thought long ago vanquished. Not all challenges rise from the arcane. The regent of Aarindorn struggles to hold together a kingdom threatened by dark forces without and the Lacuna within. His scribe, Ksenia, bears witness to the growing tide of unrest.
Despite her desire to remain above the politics in Stone's Grasp, she finds herself steeped in its controversies. When all of these forces collide, who will survive the devastation? Can the runes of the prime channel enough zenith to shape the future of Karsk?