Chapter 731: Heavenly Daoist

"What was this?" Wu Zisheng asked, somewhat surprised.

The imprint of the soul, although leaving traces in the void like aura, was truly difficult to use for tracking someone with just such a small mark.

For those of us directly at the scene, we had a bit more opportunity, after all, with less time, the imprinted soul was clearer and easier to observe.

For those who searched afterward, the information they could obtain was almost nonexistent, with hardly any possibility of tracking.

Especially for someone like Chen Fei, who could directly shift through the void for nearly a hundred miles, there were too many gaps in between to track.

But at that moment, the jade hairpin brought out by Miao Wanhua, the imprint on it was very different from the usual soul imprints, but it was hard to pinpoint exactly what was different for a while.