Chapter 724: Profound Theory in the Formation

Within the mysterious formation, Qin Xiaotian leaned against a flagstone in his poor health. His forehead was covered with sudden sweat. A grand elite warrior of the Genuine Supreme Dao Stage was like a sick man at this moment.

When he saw Qin Wushuang that Qin Chongyang had come together, he moved the corner of his mouth and revealed a bitter smile. "Indeed, this formation is tyrannical, fool's haste is no speed. I needed to quickly activate it and so I forcefully activated it. As a result, it caused a great injury to my vital energy. This is also a form of punishment for me to have made a mistake in anticipating the enemies. If I had activate this great formation earlier, with sufficient time, it would never have consumed my vital energy to such an extent."