"Could it be that it's underground?" Fang Qiu was suspicious. He immediately mobilized his internal Qi and began to dig down. He wanted to see if the problem occurred underground.

After digging for a long time, he found nothing.

Still, he could not find any information.

"What's the reason?"

Fang Qiu muttered to himself, "It doesn't exist under the ground, or in the sky, or within one kilometer around it. Could it be... farther ...