From A Tale of Light and Shadow series.

Enter Atolas, a world where swords and daggers both extend life and end it, where magic is feared by all but a few, and where feuds and friendships determine the fate of kingdoms.

Henry once believed he could defy the Emperor and lead Isabelle and his friends to safety. He was wrong. Follow Henry and his friends after the disastrous battle at the Iron Pass. Allies and foes await the band of travelers at every turn. Isabelle, now a slave, has only herself to rely on.