Everyone stared in shock at Mu Qingyun. That one sword caused heaven and earth to shake, along with every expert. They had never seen such a terrifying sword in their entire lives.

Suddenly, the sky shook and the martial stage vanished. Mu Qingyun then reappeared by Long Chen’s side, looking slightly pale. People were surprised to see her fluctuations had become extremely weak.

In other words, just now, Mu Qingyun had used up all her energy.

However, such a thing was completely against the common sense of the cultivation world. A person would need to warm up and slowly release their power. If they used up thirty percent of their body’s total power in an instant, their body would face an immense backlash. A light consequence would be having their meridians torn,...