The Traitor Son Cycle might be the best epic fantasy series ongoing right now. Cameron is known for his historical fiction (published as Christian Cameron), and he is really good at the things you would expect him to be good at. There is a lot of what I’ve seen called “vambrace porn.” Which has a certain negative connotation, but Cameron shows the rich tapestry of medieval life in a way fantasy all too rarely does. The battle scenes—and there are a lot of them, in the series and in this book—are phenomenal—tense, chaotic, and bloody. The character list is long, and those characters are distinct and think like people from a very different time. As the story blooms into an epic, the main characters grow and the minor characters flesh out. And the story takes a distinctly fantastic turn as godlike beings begin to take a more direct hand. Those…