Yin and Ning meet Tuoba Yuan and Can Lang during their travels.
They are members of the rebel forces fighting against the Taibai Empire and invite the sisters to join them. They claim it is the duty of one who possesses the tianshu and the Xuan Yuan Sword. Meanwhile, in the Taibai Empire, the recently promoted Zhao struggles with the development of new constructs. In order to give him a chance of pace, the  mpress Long Cheng assigns Zhao to command a unit of constructs and travel the empire. However--
If I can help the people I love,
 then I have to use it.
لو يمكنني مساعدة الأعزّاء عليّ
سيتوجّب عليّ استعمالها
Wenn ich damit geliebten Menschen
helfen kann, setze ich sie auch ein.
Si puedo ayudar a los que quiero,
tengo que usarlo.
Si puedo ayudar a los que quiero,
tengo que usarlo.
mais je dois l’utiliser
pour ceux qui me sont chers.
Per cui, se posso aiutare le persone che amo,
allora devo usarlo.
Se puder ajudar quem amo,
então tenho que usá-lo.
но надо ей пользоваться,
чтобы помочь людям.