Imperious Command

(Drow of the Underdark, page 50, DnD 3.5)

[General]

You strike deep and abiding terror in your foes.

Prerequisite

Intimidate 8 ranks, CHA 15

Benefit

If you successfully demoralize a foe in combat, the foe cowers in fear for 1 round and is shaken in the following round.