You have reinforced your physical body for additional protection.

Prerequisite(s) Construct or half-construct

Benefit(s) You gain a +1 natural armor bonus (or a +1 bonus to your existing natural armor) or a +2 armor bonus (with no arcane spell chance failure or armor check penalty), whichever you prefer.

Special This feat may be taken multiple times, and its benefits stack. You may only take this feat once for every three Hit Dice you possess.