C1374 The Suspicion of the Man with the Kirin Mask

"Invisible vein body? This … Senior Lei, a few years ago, I did read in an ancient medical manual that there was something about the body and soul of an hidden vein. Could it be that there really is someone in his body who has as many meridians as two sets of meridians that circulate? "

Lin Xuan asked in confusion.

Thunder smiled and raised his hand