Skill Concentration (3.5e Feat)
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Skill Concentration [General]
You almost never make mistakes when using a skill for which you have a knack.
Prerequisite: Any Feat that increases 2 skills (Alertness, etc.) and 6 or more ranks in each skill.
Benefit: When this Feat is taken choose 2 Skills that met the Prerequisites of this Feat. When using the chosen skills, in lieu of rolling 1d20, you may choose to roll 3d20 removing the highest and the lowest of the 3 rolls.
Normal: When using a skill you may only roll 1d20.
Special: This feat may be used regardless of whether or not you could take a natural 10. This feat may be taken several times, its effects do not stack. Each time it is taken, it must be applied to two separate skills.