C.S. Friedman avec When True Night Falls (The Coldfire Trilogy, #2)
Two men, absolute enemies, must unite to conquer an evil greater than anything their world has ever known. One is a warrior priest ready to sacrifice anything and everything for the cause of humanity's progress; the other, a sorcerer who has survived for countless centuries by a total submission to evil. In their joint quest, both will be irrevocably changed.