After a long while, once he had finished devouring the Sage of Six Paths, Yi Zhengnan let out a burp. His body slowly digested the power he had gained from consuming the Sage.
Gradually, the bloodthirsty red gleam in Yi Zhengnan's eyes faded away. The savage expression on his face softened, and clarity returned to his gaze.
Yi Zhengnan sighed helplessly. "Sigh, every time I eat someone, I go berserk and lose all awareness. I don't know why, but I always feel like there's something wrong with this state. System, are you hiding something from me?"
"Heh heh heh... How could I? Why would I hide anything from you? You're my host, after all. What would I gain if something happened to you? What I want is your soul. If something happens to you, I won't get it."
"Tch." Yi Zhengnan scoffed softly. He didn't entirely believe the system's words, but it was true that, so far, the system hadn't done anything to harm him. At worst, he could just eat fewer people from now on. He had already made up his mind: he would never eat anyone of his own accord again.
"Heh heh heh. Once your soul has been tainted by me, whether you eat people won't be up to you anymore," the system thought darkly.
"All right, I've eaten someone. What do we do now?" Yi Zhengnan asked.
"Heh heh heh..."
"Stop! Didn't I tell you not to laugh like that? When you laugh like that, you sound like a dog." Yi Zhengnan couldn't stand the system's laughter, which sounded so sinister, as though it were coveting something.
"..." The system fell silent for a moment and stopped laughing like that. In a low voice, it said, "Hmph. Why don't you sense the changes in your body?