Onyx Storm

In Onyx Storm by Rebecca Yarros, the third installment of The Empyrean series, Violet Sorrengail faces a new phase of the war as enemies close in from both inside and outside Basgiath War College. To protect Navarre and those she loves, Violet must venture beyond the Aretian wards into unfamiliar lands in search of new allies, power, and the ultimate truth. However, a brutal storm approaches, threatening to test her strength and test whether everyone can survive