Hold the Line

(Shining South, page 20, DnD 3.5)

[General]

You are trained in defensive techniques against charging opponents.

Prerequisite

Combat Reflexes, Base attack bonus +2

Benefit

You can make an attack of opportunity against an opponent who charges you when it enters an area you threaten. Your attack of opportunity happens immediately before the charge attack is resolved. your attacks of opportunity in a round are still limited to the number allowerd by the combat reflexes feat.