The kid is really confused and pretty mad about their reactions. When he lunges toward them yelling the same demand, Ingress steps out and in one fluent motion, grabs his wrist, disarms him, steps on the knife that clatters to the pavement, twists his arm behind his back, and says, in a cheerful voice, "Go home, friend."

She gives him a little shove to emphasize her advice. The teenager gives them one baffled look over his shoulder and runs toward the mouth of the alley and out of their sight.

"Need a knife?" Ingress asks Wei Wuxian. "I have one already."

It's in a hidden sheath strapped high up on her right thigh because Havelock Vetenari taught Ingress to always be prepared.