Military action
The griffin riders, basically at this time a mounted militia, defeat the wyvern riders.
The griffon riders from Cambreath met the wyvern riders over an unimportant bit of wilderness east of the Barrier Mountains. Observers on the ground noted that the armies were so large that they appeared like clashing stormclouds, and blood and corpses fell like a devastating rain. Plants will never grow in this region again. Cambreath wins the day, and no rider remains alive atop any of the wyverns that fled in a full and permanent rout.