What if you had a gift to bring rest to the restless dead? Confronting the ghouls in the dark hours, Father Polycarp can gaze into their eyes and see their stories, see everything they craved in life. And he believes he can help.... if Rome doesn't burn him first.
Soldier in the Mist by Gene Wolfe;
Valley of the Dead by Kim Paffenroth;
Seventh Son by Orson Scott Card