Staggering Critical

(Drow of the Underdark, page 52, DnD 3.5)

[General, Fighter Bonus Feat]

Your critical hits leave your opponents reeling.

Prerequisite

Improved Critical, 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.