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Prerequisite: Int 13+.
Benefit: When the character uses the attack action or full attack action in melee, the character can take a penalty of as much as -5 on the character's attack and add the same number (up to +5) to the character's Armor Class. This number may not exceed the character's base attack bonus. The changes to attack rolls and Armor Class last until the character's next action. The bonus to the character's Armor Class is a dodge bonus.
Normal: A character not capable of the Expertise feat can fight defensively while using the attack or full attack action to take a -4 penalty on attacks and gain a +2 dodge bonus to Armor Class.