The Shrike: Book III of the Slave Empire series

The Shrike has made Rayne his wife to save her from the empty existence to which her empathy condemned her, shunned by all who fear her power. He has revealed his face to her and told her some of his secrets, and there are those who would do anything to discover what she knows. Various rival empires, factions and slavers have offered bounty totalling many millions for his death, and the image she carries in her mind means she is in grave danger should she ever stray from his protection. Yet...