C1707 Looking for the Core of the World

Fire Devil Ox's head fell to the ground. Blood gushed out from the broken part of his head like a fountain, drowning Yang Xuan within it.

Yang Xuan fell to the ground. The Longevity Sword in his hand fell beside him. It was washed away by the blood and drifted away. Yang Xuan had used up all the Spiritual Force in his body in that strike just now. He had even used up all the ___ in his body