Heartbreaker (Heartmender #2)
Heartbreaker by V. Romas Burton: After finding out she is the Bellata--the prophesized warrior meant to save Decim--Addie, along with James, returns to Barracks to unite the Twelve Magisters. But as she discovers her old home in ruin, Addie stumbles upon Silas and Nana, the only people left in Barracks.