C313 Because of what

Xiang Zhuang smiled lightly and took a sip of the strong wine. Then, he slowly asked back, "However, I find it strange. How did your inner sect find out that that thing is in the sea recently? "

The masked man smiled sinisterly and said: "This is very simple, just keep an eye on your outer sect and you will know." All these years, you guys have been investigating that thing