Instinctively, Wei Wuxian jolts to a stop when the blade flashes, holding up a hand to forestall any attack. He presses his lips together, valiantly stifling a laugh of his own as Ingress cracks up next to him.

"...No?" he says. He waves his hand toward the mugger's knife as if shooing it back. "Listen put that away, what do you think it's going to do? Let's -- "

His mouth twitches. Trying to keep it together when Ingress is laughing so hard: not the easiest thing!

"Let's just," he tries again, and that's as far as he gets before he cracks up, too.