Revenant

She tucks and rolls behind every corner, no sound being made, as she unfolds one of her underarm blades, and stabs an Insurgent in his neck, as she drags his body behind a dumpster, and unties you Thank God you activated your distress signal, you worried me so much... She goes back to the dead Insurgent, and picks up his AKS-74U, and gives it to you Take it, we're gonna free your friends too