Your summoned minions are infused with the power of the moon.
Benefit: Creatures you summon shed light as a light spell. They are immune to confusion and sleep effects, and their natural weapons are treated as silver for the purposes of overcoming damage reduction.
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.