The very day he finished refining Bone Connecting Pills, Long Chen had Meng Qi, Chu Yao, Tang Wan-er, Lu Fang-er, as well as Gu Yang consume them. They would borrow that medicinal energy to establish access to each of their bones through their tendons.

Tendons connected to each bone in the body. However, they only linked to the outside of the bone, while the only things that managed to reach the core of the bones were blood vessels.

But in order to temper bones, especially complete tempering, just the energy that could flow in through the arteries was far from enough. Cultivators had to create a new channel with their tendons that reached the depths of the bone.

This way, medicinal energy could directly pour into the core of the bones through the tendons. That was the fastest way to nourish the bones. It was over a hundred times faster than just what could be provided through blood vessels. So, all cultivators had to create new channels with their tendons to temper their bones.

Ordinarily, they would go temper their bones one by one. And so they would only need to form one tendon channel at a time. That was why they could use even the most garbage Bone Connecting Pills and it would still be enough.

However, complete tempering...