C1052 Boss Reappearance

The voice wasn't very loud, but everyone could hear it clearly, regardless of whether they were on the ground or in the sky. It was as if the voice was completely in their ears.

Not only that, Zuo Feng didn't feel the surrounding spiritual energy and was affected by the sound wave. This meant that the sound didn't come from the spiritual energy, but the method that the person used was intriguing