C50 Camel's Soul
The box in Black Wuchang's hands, was the same box that he had used to repair King of Demons's shoes. When he came here, he was still holding it in his hand, but he didn't pay attention to it after they had fought for a while. They probably didn't notice that when they left, they were picked up by the Black Wuchang.
Black Wuchang opened the lid of the box. Inside