UA:Combat Awareness (Feat)
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Combat Awareness [General]
You are so perceptive that you practically have eyes in the back of your head.
Benefit: You take no -5 penalty on Spot checks to notice things in or beyond your flank areas. The penalty to notice things in or beyond your rear area is -5.
Normal: The penalty on Spot checks in or beyond your flank area is 5; on Spot checks in or beyond your rear area, it's -10.