A last wave of nausea and vertigo passes over Nightingale as she gets the last of the toxin out of her system. Moments later she bumps into the alley wall, shocked by the thudding sound she makes against the brick. She clings to a windowsill for a moment, trying to regain her bearings. Who was causing the gas? A friend of Oni's, or a third party? And where had Oni gone off to, anyways?
She takes another deep breath, trying to still her mind. She peers into the smoke below, trying to pick out any sign of movement.