Ashes Of The Sun by Django Wexler

In a world where magic and technology intertwine, two estranged siblings find themselves on opposite sides of a brewing conflict. Gyre, driven by vengeance, seeks to dismantle the oppressive Twilight Order, while Maya, a devoted member of the Order, believes in its mission to protect humanity from ancient threats. As their paths converge, they must confront their past and the choices that have shaped their destinies, all while navigating a landscape filled with political intrigue, ancient relics, and the remnants of a long-lost civilization.

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