[the familiar voice gets Ema to perk up, and her gaze flickers over towards Potemkin in surprise. then she nods, lifting her theodolite and aiming it at a rock as she stares through the scope on the other end]

I've shot a few things with it so far. It just makes them glow. . . but not necessarily where the paint hit them, if you know what I mean. I'm not sure what the glowing signifies, you know?