asn't quite a smile: "Mortal Senior Sister, do you know what Master Mu's yin and yang gu are""What is it"He narrowed his eyes, a look of profound mystery on his face: "The things left behind by the an...ut.I hid behind him, he frowned and looked up at the "person" above, saying in a low voice, “This is…a guardian spirit”"What is a tortoise A lizard""Well... the poison from a centipede is quite weak....