Staggering Critical
( Drow of the Underdark, p. 52)[Fighter Bonus Feat, General]
Your critical hits leave your opponents reeling.
Prerequisite
Improved Critical (PH) , Base attack bonus +12,
Benefit
When you confirm a critical hit with a weapon for which you have the Improved Critical feat, the target is also slowed for 1 round.
Special
A fighter can select Staggering Critical as a fighter bonus feat.