This creature’s hide is tougher than most.
Prerequisites: Natural armor, Con 13.
Benefit: The creature’s natural armor bonus increases by +1.
Special: A creature can gain this feat multiple times. Each time the creature takes the feat, its natural armor bonus increases by another point.
Pathfinder RPG Bestiary, © 2009, Paizo Publishing, LLC; Author: Jason Bulmahn, based on material by Jonathan Tweet, Monte Cook, and Skip Williams