XIII takes out a delicate small box from his pocket, in which there is a golden bug. Thirteen said that it was a golden beetle. As long as it smelt the breath, it remembered the evil breath of the yin-yang decapitated grass in the grave well. As long as the same breath appears next time, the golden beetle can find the decapitated master who decapitated the yin-yang decapitated grass.

"is this insect so powerful that it can remember the breath." I said with a surprised face, looking at the beetle that was put into the box by XIII.

"this is not a common beetle." Thirteen touched the box with his...