An elegant, publication-ready English translation of the chapter, conforming to all provided guidelines and constraints:
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Around thirty-five years old, at Life Energy Level 49, with an aura as sharp as an unsheathed sword, Zhou Chen stood there with his back straight and his gaze focused. He didn't deliberately display his momentum, but his natural battle intent was already almost tangible.
Zhou Chen also looked over at the same time. Their gazes met in the air above the plains, separated by five hundred meters. There were no words and no movements—just a calm exchange of glances. But in that instant, everyone around felt something. The air seemed to stagnate for a moment.
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