C123 They Were Competing with Each Other's Inner Energy

At this time, Ao Kuang only felt as if he was struggling to pull a steady mountain. A thin thread of silk, however, transmitted an immense gravitational force. It was extremely strenuous. Even with all his strength, he could only pull the three chains tied to the thread to a distance of more than two feet in front of him.

Not to mention how strenuous Ao Kuang was currently struggling