Strength Devotion( Complete Champion, p. 62)
You can overcome an opponent's normal resistance to damage.
Once per day as a swift action, you can bypass hardness with your melee attacks for 1 minute. In addition, you gain a slam attack as a natural weapon, and all your melee attacks (natural or not) gain the adamantine property for the purpose of overcoming damage reduction. As a natural weapon, your slam attack does not provoke attacks of opportunity. It deals damage based on your size and character level, as given on the following table.
|Level||Damage (S)||Damage (M)||Damage (L)|
You can select this feat multiple times, gaining one additional daily use each time you take it.|||If you have the ability to turn or rebuke undead, you gain one additional daily use of this feat for each daily turn or rebuke use you expend.