The Crystal Keeper (3 Book Series)

From Book 1: Exiled for loving a human, Jayson is sworn to protect the Seer's crystal from those who would use it to obtain power. Unbeknownst to him, his wife Ivanore searches for him, hoping to save him from the terrible fate she has seen in her visions. When she is captured, Jayson must make an impossible choice--should he save Ivanore or save the crystal?