Yi Feng also didn't think that the two millennial crystals could not help to restore his blood essence, but also upgrade the quality of blood essence. What surprised Yifeng most is that the improvement of the quality of blood essence has greatly benefited Yifeng's cultivation of Lingshen. With the help of the potential of blood essence, Yifeng not only made a breakthrough to the fourth level, but also made a breakthrough to the top of the fourth level, which stabilized him.

it was not until this moment that Yi Feng fully understood the reason why the lack of blood essence could never reach the holy level. The blood essence is...