Victoria Aveyard - A kettétört Empire

From the author of the highly successful Red Queen series.

A strange darkness is spreading in the land of Vigilia. Even Corayne an-Amara, who lives in the small seaside village, feels it. Fate knocks on his door in the form of an immortal from legends and a ruthless assassin, who reveal to him that he is the last descendant of an ancient bloodline and that only he has the power to save the world from destruction.
A man with a vengeance in his heart gathers an unprecedented army and turns the foundations of the world upside down. With a stolen, special sword in hand, he is willing to tear the entire empire apart just to be its master, and only Corayne can stop him.
Corayne leads her ragtag team of eccentrics in a desperate race against time to do the impossible, using the magic in her blood to close gates that should never have been opened.