The girl that appeared out of the tianshu bamboo writing strip is Yun, a doll made using Mujia.
Yun calls the sword that appeared out of the tianshu the legendary Xuan Yuan Sword. Through Yun, Yin and Ning acquire new power.
Meanwhile, with a single word from Empress Cheng, Zhao is made chief engineer. He now works on developing constructs.
Mo Heng, who betrayed the empire and joined the rebel army, is also working on a new weapon he calls black fire armor.
Pu Zhao will be assigned to the 
Engineer's Place as Chief Engineer.
سيتمّ تعيين بو شو لمنصب كبير المهندسين
في قصر المهندسين
wird Pu Zhao als oberster Ingenieur
im Ingenieurspalast seinen Dienst antreten.
Pu Zhao será asignado al palacio
de ingenieros como ingeniero jefe.
Pu Zhao será asignado al palacio
de ingenieros como ingeniero jefe.
Pu Zhao sarà assegnato 
al Palazzo degli Ingegneri come ingegnere capo.
Pu Zhao será enviado para o Covil dos
Engenheiros como Chefe Engenheiro.
Пу Чжоу назначен главным инженером
в инженерные палаты.