Rustwater sits at the bottom of Halcyon, where the light comes secondhand. Sixteen-year-old Chase Miller has empty pockets and a little sister whose heart is running out of time. On Haven, every beast a hunter kills and eats makes him stronger—and Chase has found a way to climb faster than anyone should.
Chase Miller is back on Haven, and the bill for his sister's heart is coming due. Behind the act of a harmless kid, his strength keeps climbing—but a guild wants his name, and the Rift Gate only opens one way.