Elias and Laia are running for their lives.

Following the events of the Fourth Trial, an army led by Masks hunts the two fugitives as they escape the city of Serra and journey across the vast lands of the Martial Empire.

Laia is determined to break into Kauf—the Empire's most secure and dangerous prison—and save her brother, whose knowledge of Serric steel is the key to the Scholars' future. And Elias is determined to stay by Laia's side...even if it...