Star Conqueror: Recompense:

When David Briggs became a dragon, he never realized that he'd have the power to break the cruel chains binding the universe's most powerful, and beautiful, warriors to their vicious high priestess. Now, having freed the Left Hand of the High Priestess, he'll set his eyes on a prize so great it could turn the tide of war, and what's more, it's guarded by a woman so fierce, freeing her may be an even greater prize. For most anyone else, that would be impossible, but when you're a dragon, it ...