Empire Ascendant Kameron Hurley by Kameron Hurley 9780857665607, 085766560X instant download after payment.

When the dark star of the cataclysm ascends, one empire will rise... and many will perish.
Every two thousand years, the dark star Oma appears in the night sky, bringing with it a tide of death and destruction. Tattered rifts open between worlds; great empires are born, and mighty rulers die. Whole nations succumb to madness. And those who survive must contend with friends and enemies newly imbued with bloody powers.
The kingdom of Saiduan already lies in ruin, decimated by invaders from another world who share the faces of those they seek to destroy. Now the nation of Dhai is under siege by the same force. Their only hope for survival lies in the hands of an illegitimate ruler warring with his wife and former lover for control of the nation's allegiance.
As the foreign Empire spreads across the world like a disease, one of their former allies takes up her own Empress's sword again to unseat them, and two enslaved scholars begin a treacherous...