At Boundary Mountain, Lu Changsheng's expression turned solemn. He fixed his gaze on a frightening figure several dozen zhang away. It was a creature with a bull's head and a human body—a demon!

The pitch-black demonic power radiating from its figure was like thick ink, and fiendish qi surged outward from it like waves of heat. Even at a distance, he could feel its oppressive force. It was dangerous!

This was Lu Changsheng's first time seeing a demon. Just from instinct alone, he felt a trace of danger. A demon's fiendish qi was not naturally formed. It required countless acts of slaughter to condense into something so dreadful. Just by looking at the fiendish qi on it, Lu Changsheng seemed to gain a deeper understanding of "slaughter."

A spark of inspiration flickered in his mind. He stood on the verge of forming...