Gabriel Lance and the Cursed Ones

Gabriel and Annabel are bound together for all eternity. One vampire, the other, ghost.
When one night, Gabriel happens upon the vampire that turned him into a creature of the night, he is given a quest that will end in a true-death if he chooses to defy her.
Gabriel's maker cannot hold onto her true form any longer. Her face shifts and her gown of smoke has developed a life of its own. Not to mention, she is insufferably lonely.
Gabriel must enter a dark kingdom, through a magic mirror on a lake bed, and find her a husband.
But in this kingdom, men have stumps where their hands once were.
And there are stories of cursed Princesses who ensnare hearts with one quick look...