Flame and Ash (Witchbane Series #4)

The third novel in the Witchbane series.

One hundred years ago, a sheriff's posse killed dark warlock Rhyfel Gremory, but his witch-disciples escaped, and their magic made them nearly immortal. To keep their power, each year one of the witch-disciples kills a descendant of one of the men in the posse, a twelve-year cycle that has cost dozens of lives, including that of Seth Tanner's brother, Jesse

Seth rescued Evan Malone from one of the witches, and they've fallen in love despite the danger ...