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.
It destroyed those constructs 
as if they were nothing.
دمّرت المُركّبات كما لو لم تكن شيئاً
Es hat die Konstrukte zerstört,
als wäre nichts dabei.
Destruyó esos constructos como si nada.
Destruyó esos constructos como si nada.
Il a abattu les Mantes religieuses
sans difficulté…
Ha distrutto quei costrutti...
 con estrema facilità.
Ele destruiu esses armamentos
como se não fossem nada.
Он с такой лёгкостью
уничтожил эти конструкты!