King of Scars- Leigh Bardugo

The much-anticipated first book in a brand-new duology by New York Times bestselling author, Leigh Bardugo. Face your demons . . . or feed them. Nikolai Lantsov has always had a gift for the impossible. No one knows what he endured in his country's bloody civil war - and he intends to keep it that way. Now, as enemies gather at his weakened borders, the young king must find a way to refill Ravka's coffers, forge new alliances, and stop a rising threat to the once-great Grisha Army.