Gusu Lan has many methods, useful for many things, and Lan Jingyi also has the wealth of Wei Wuxian's mind and experiences to draw on, given the reality of his own world. At the same time, most cases did not involve whole chaotic situations like this being taken into hand. In fact, nothing was great at this, short of:

"... Don't tell me you also don't know your maternal uncle's golden net technique..."

Now that could work, person to person, even leaving one up with qi until more were caught, or shoving others in. He breathes out in a huff that stirs the hair on Fairy and Jin Ling, curving his neck as he looks over the camp.

"You're welcome. Also, turn right."

Where there is, indeed, another refugee, bleeding from the shoulder, mumbling as he stumbles their way, it will all be better soon.