Sometimes it is better to capture foes than to kill them—whether your intention is to punish them for their crimes or to torture them for information.
Caging Strike (Su): With a devastating weapon strike, spectral chains wrap around your target for a short period of time. Whenever you confirm a critical hit with a melee or ranged weapon attack (including spells that require attack rolls), you can choose to also entangle that target for 1d4 rounds (Fortitude negates). You may use this ability a number of times per day equal to 3 + your Wisdom modifier.
Pathfinder Roleplaying Game: Ultimate Magic. © 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.