Improved Outflank (Combat, Teamwork)

You excel at defeating an opponent when flanking an enemy.

Prerequisite: Outflank, base attack bonus +8

Benefit: Whenever you and an ally who also has this feat are flanking the same creature, your flanking bonus on attack rolls increases to +6. In addition, whenever you score a critical hit against the flanked creature, the flanked creature loses its Dex bonus to its armor class until the start of the flanked creature’s turn.