Robert Slaughter & Jerry Brown 
City Of The Fallen [EPUB ebook] 

Main characters Jasmyn, a witch with amnesia, and Azriel, a half-vampire, are destined to confront the god of the dead, Nekras, in order to save the country of Jador. During this journey, they are tried and tested by all varieties of darkness including barbarians, witches, demons, and a few fantastic ones as well. The adventure spans treacherous captivities, country-wide wars, hair-raising escapes from near-death experiences, and save-the-world quests that are all but impossible.