She focused her gaze and looked to her right.
She didn't fire a shot instantly, but instead distinguished whether the person who entered was a friend or a foe.
The skies had already darkened, and one wouldn't be able to see clearly. But once one's eyes adjusted to the darkness, there was a certain level of vision.
Even though everyone more or less wore the same equipment, after careful observation, Gu Qingjiu noticed that there was a visible difference in the structure of the items of clothing on the upper body.
If one looked carefully, one could distinguish between the different schools in the darkness based on those designs.
This was probably a neat little trick in this competition.
It depended on whether the participants were observant and calm enough to realize that.
Gu Qingjiu was one such person who could keep her cool.
Through the dim rays of light in the darkness, she could clearly see the person walking over stealthily.