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.
I am sorry. That was an 
adequate demonstration.
خالص اعتذاري، كان ذلك عرضاً واضحاً
Es tut mir unendlich leid.
Dies war eine erhellende Demonstration.
Lo siento. Fue toda una demostración.
Lo siento. Fue toda una demostración.
Pardonnez-moi,
cela suffit amplement.
Perdonatemi. 
È stata una dimostrazione adeguata.
Desculpa, essa foi uma
demonstração adequada.
Прошу простить. Вы меня убедили.