Your ally’s charge exposes an opening you can exploit.
Benefit: When your ally with this feat uses the charge action and hits, you gain a +2 bonus on your next attack roll against the target of that charge. This bonus must be used before your ally’s next turn, or it is lost.
Pathfinder Roleplaying Game Advanced Class Guide © 2014, Paizo Inc.; Authors: Dennis Baker, Ross Byers, Jesse Benner, Savannah Broadway, Jason Bulmahn, Jim Groves, Tim Hitchcock, Tracy Hurley, Jonathan H. Keith, Will McCardell, Dale C. McCoy, Jr., Tom Phillips, Stephen Radney-MacFarland, Thomas M. Reid, Sean K Reynolds, Tork Shaw, Owen K.C. Stephens, and Russ Taylor.