C581 Tai xuan scripture opening a profound vein

The Taixuan Classic was created using the blood and sweat of his past life. The reason he was able to forcefully create one in a person's body was also because he was able to strengthen the existing profound veins and fuse them together!

In this life, he had spent a lot of thought to make up for his own loss of consciousness in order to obtain the Taixuan Classic again