Eviscerator
( Libris Mortis: The Book of the Dead, p. 26)[Monster]
The allies of your foes are especially afraid of your critical hits.
Prerequisite
Death Master (LM) , Daunting Presence (LM) , Improved Critical (PH) , CHA 13, base attack bonus +1, undead type,
Benefit
Whenever you score a critical hit with a melee attack against a living foe, creatures within 30 feet that are allied to that foe are shaken for 1 minute. This is a mind-affecting, fear effect.