You’re so attuned to the earth that your skin can harden to the thickness of stone.
Prerequisite(s): Stone giant.
Special: You can take this feat up to three times. Each additional time you take this feat, the number of times you can use stoneskin per day increases by one.
Pathfinder Adventure Path #91: Battle of Bloodmarch Hill © 2015, Paizo Inc.; Authors: Patrick Renie, with Tyler Beck, Adam Daigle, Richard Pett, Stephen Radney-MacFarland, and David Schwartz.