Heavenly Tyrant - Xiran Jay Zhao

She is hated by both men and gods, and heaven and earth cannot allow her to exist. After suffering devastating loss, Zetian finds herself at the seat of power in Huaxia. But her world is not as it seems, and revelations about an enemy more daunting than she imagined forces her to share her power with a dangerous man. Zetian must join this man in a dance of truth and lies to take down their common enemy. With perilous forces aiming to undermine Zetian at every turn, can she enact positive changes as a fair and just ruler? Or will she be forced to rely on fear and violence and succumb to her darker instincts in her quest for vengeance?