C522

Don't worry, I've read about this Gu before in the books, but I don't know much about it. Among the Gu, the Pulse Guiding Gu and the Poison Drawing Gu are the most famous ones, but, this Gu is very mysterious, and the book says that it has been lost for a long time, and I never thought of using the Poison Drawing Gu to cure it for me. This time, it's a fluke, I saved them, and they also saved me