Veins bulged on Chen Mobai's forehead, his hands trembling.

He had never imagined that the power of this talisman, when pushed to its limit, would be so difficult to control.

If it weren't for his diligent practice of the "Mind Nurturing God Casting Technique" recently, which had greatly enhanced his spiritual sense, he would have lost control of the Purple Flame Sword Qi long ago.

Even so, he still felt the purple flame, which was constantly leaping and burning between his fingers, seemed to have a mind of its own, constantly surging, emitting waves of restlessness and violence, trying to break free from his spiritual control.