The whistling arrow relied on sound to alert others, so it rapidly tore through the air, unleashing a screeching sound that spread far into the distance.

This kind of whistling arrow would unleash a soundwave that roared like a tsunami. Even if you couldn’t see it, you could easily tell where it was coming from.

It was different from those cloud-piercing or explosive arrows. A whistling arrow was much more practical in a complicated terrain.

Long Chen was a great distance away when he first heard it. As he rushed closer, he quickly saw another arrow tearing through the sky. This time, he saw the arrow’s appearance.

After that, he started to hear the sounds of intense clashes, and qi waves buffeted him, indicating that someone was fighting. Furthermore,...