C690 Stefaden

After all, this poison was developed by the Black Feather Group. As a member of the Black Feather Group, even if Yan Lia wasn't a participant from it, he would at least be a member of it. However, if the Black Feather Group had the antidote, it wouldn't be difficult for him to get it.

Although Situ Hao really hated Yan Lia