Xuan Yuan Sword Luminary

The Xuan Yuan Sword Luminary series follows the story of the Fu sisters, Yin and Ning, who have been surviving on their own since their village was destroyed by the Taibai Empire. Their friend Zhao, who was taken by the Empire, uses his inventive skills to make a living as a slave. Yin's discovery of a legendary sword gives her enhanced combat abilities and a powerful ally, a mechanical fox spirit named Yun. Meanwhile, Zhao's acquaintance with a young girl within the Empire may hold the key to the resistance's chances against the Empire's dominance.