C433 Important Part!

The blood contained Yin and Yang Qi. As long as one inscribed a rune at the bottom of the blood river, they would be able to draw out the Yang Qi within it. This way, they would be able to make up for the lack of Yang Qi in the Snow Wolf Canyon.

Furthermore, the blood also contained the resentment of the dead creatures. Although this thing contained a great amount of Yin Qi