In the novels, there would be peerless experts helping the main character to open up the Ren Du Er Mai, causing the main character to increase in strength. This was also known as “power transfer”.
It may be fast, but it was not the proper way. It was better to cultivate by himself.
Of course Yi Yun chose the second method of opening up his meridians by himself.
Written in the “Dragon Rib Tiger Bone Fist” was a way to open up the meridians. By sitting cross-legged, every breath should be made as long as possible.
Once a warrior reaches the third level of Mortal Blood, their breaths would mix with the energy accumulated in their body causing a circulation that spread like fire!
Yi Yun consciously sent that energy to his Dan Tian, and compressed it!
Again and again, Yi Yun’s body was filled with energy. His breaths increased in speed, but each breath was deeper than the last.