Dark Ones Take It

The origin story of Caedon, villain of the Stormclouds/Harbingers fantasy series, and his brother Maeldoi, the Dark Rider. The gwrgi are not werewolves. Not exactly. But the strict gwrgi discipline trains a gwrgi not to let his inner beast come out. What happens if he's taken away by a demon instead? One brother to the castle of the arch-demon mage, Gilles de Rais. One to the harsh discipline of the gwrgi capital--and all their suspicions.
And when gwrgi brothers raised as enemies confront each other in rage, expect something a little monstrous. A little strange.