Marked. Hidden. Trained. But the terror awaiting is greater than any of them can imagine. Sienna has spent her entire life inside the DEZ, a glorified orphanage for unwanted Marked kids. Finally, she's only months away from graduation. For over a year she's worked hard to prepare for life outside the DEZ, but being the arena's champion isn't always an easy task...even for the notorious Blaze. Fighting in the Underground isn't about...