Luminous

"The first indication was a disruption in shipping. One of the trains didn't arrive. And then... then. The next train to Allendale, out on the border, had to stop because there was no more track. The engineer got out and investigated and found... Devastation. Utter, complete devastation. There was nothing left. He backed the train up until he reached the nearest town and sent a messenger to the capitol. We sent out a unit of the Army, but it was far too late. I went myself. I saw the... wreckage, I suppose, is a good word. Looked worse than anything I'd ever seen. Nobody left living. No crops, no trees, nothing. The ground itself was barren, shredded... destroyed. And no sign of what did it. None."
The armies of Un threaten the prosperous land of Amrontil. In desperation, Prince Telion agrees to make an alliance marriage with Prince Farven of Vinge. Normal in Vinge, no Amrontilian had ever even considered marrying man to man. But Telion took the chance, to bring an alliance with powerful mages that just might save his country. Little did he know he had the capacity for magecraft inside himself, along with the capacity to love another man...
Warning: explicit m/m sex.