Kael is ripped from his world and thrown into a land ruled by steel and fear. Hunted by monstrous Invaders and ruthless Sentinels, he has only one goal—saving Sistine.

With no clear answers and danger at every turn, Kael trains under a mysterious warrior, determined to grow stronger. But as he uncovers the truth behind his summoning, he realizes that rescuing Sistine may cost him more than he ever imagined.

In a world where power decides fate, Kael refuses to break. He will save her—no matter the cost.