C3923 Body Tempering Lightning

Gu Xuan stretched out his left index finger. With a thought, a drop of blood came out from it.

This was ordinary blood, not blood essence.

But even if it was ordinary blood, Gu Xuan's drop of blood was completely different from the blood of other Martial Cultivators.

It seemed to be filled with vitality, full of life force, and even gave people the feeling that it would boil at any time