Please read the author note at end.
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Lin Mu felt a bit curious about the tear in the barrier as he peered at the void that was behind it. He realized that he could faintly sense something moving around the tear. He had not felt this before and could only sense it for the first time now.
What Lin Mu was sensing was different from using the spirit sense, as whatever it was near the tear, it was too far away for his spirit sense to reach.
'Huh? How am I able to sense that…? Is it because my cultivation recently increased?' Lin Mu thought to himself.
"Why don't you try to focus on it more, see what happens?" Xukong suggested in an encouraging tone.
Lin Mu closed his eyes and tried to focus on whatever that was moving around the tear. He realized that he was feeling it through a different kind of a sense. A sense he had for a while, but it was not as strong. He had been using this sense for a while now, unconsciously.