Steady Concentration
From Compendium of Worldly Lore
Needs review
Source: Races of Stone
Description: You are an expert at avoiding distractions and focusing your mind, and you can concentrate clearly even in the most stressful conditions.
Prerequisites: Concentration (8 ranks)
You can always take 10 on Concentration checks, even when conditions would not normally allow you to do so.
Normal:
A character cannot take 10 on any skill check if distracted or threatened, such as during combat.