Fortunately, the method of extracting costly oil was known only to the princess's people. Situ Gong and Luo Heng felt a wave of relief when they thought about it.
If everyone knew this method, they would really fear that everyone in the streets would be consuming costly oil.
Lin Ziyin came out too, closely followed by Jue Hui and others.
Chu Suifeng was worried about her. During the war, she was not allowed to go out for fear of danger. After all, the time when the two armies were fighting was the most chaotic in the city.
Moreover, there were cunning people within the Border City, both spies from the North Country and people from various paths of Daqin.
Chu Suifeng wasn't sure that Lin Ziyin would be safe within the city, and in reality, he never dared to gamble on issues concerning Lin Ziyin's personal safety.
But the shrewd Prince did not realize that Lin Ziyin was not a "well-behaved" canary.