C1443 Yin Yang Reversal Needles.

Yin Yang Reversal Needle?

Everyone was confused, but Dylan was shocked. His breathing became rapid, "But it is a divine needle that can nourish Meridian and reverse Yin and Yang?"

He had once read the introduction of Yin Yang Reversal Needle in the ancient books of the Poison Medicine Sect, but he had never been able to find the whereabouts of this needle technique