Needs a sequel. Too many unanswered questions. Obviously not going to happen since it was published 6 years ago. If I knew more was coming, this would be a 4.5 but since the stuff left unanswered isn't a teaser, my rating is lower. I don't see the Harry Potter connection at all. There isn't any school or overseer, the novel spans two continents, there's a mystery with people dying. The tropes of an important and strong bloodline, someone learning about magic after not knowing it his whole life, magic itself, are all standard fantasy fare. More later...
It's definitely worth the time to read it.