The smokescreen was successful in that Wolff witnessed the man being enveloped by the thick cloud as he leaped from the fire escape.  The accountant performed a near perfect flip while putting an arrow to the string of his bow.  Upon landing his knees bent slightly from the force of the impact, absorbing some of the momentum and he stood back to his full height of over six feet.  Wolff eyed the cloud, looking for any variation, any disturbance or light change that would give his opponent away.  

It was the sound of a person colliding with the fire escape that ultimately gave him away.  Wolff let his arrow go and quickly fired 2 more in a small spread directly at the base of the stairs.  Down here the stench of the alley was much more apparent.  It seemed to radiant from the very ground beneath them.