You are a master of stage and nonlethal combats
Benefit: When you make an attack with a weapon that you have Weapon Focus in, you take no penalty on the attack roll when you are attempting to make an attack that deals no damage or nonlethal damage.
Pathfinder Roleplaying Game Ultimate Combat. © 2011, Paizo Publishing, LLC; Authors: Jason Bulmahn, Tim Hitchcock, Colin McComb, Rob McCreary, Jason Nelson, Stephen Radney-MacFarland, Sean K Reynolds, Owen K.C. Stephens, and Russ Taylor.