When the sky suddenly goes dark, Kael Ardyn's ordinary life is shattered by the awakening of a mysterious power known as the Eclipse Core. Marked as something that should not exist, Kael is pulled into the secret Sovereign project and a war between ancient rulers, powerful armies, and forces beyond his world. as forgotten Sovereigns awaken and buried truths about this family emerge, Kael must master his growing power before the coming war consumes everything.