Combat Reflexes (idea)

In Dungeons & Dragons' third edition Player's Handbook, Combat Reflexes is described as a feat (special ability) that your player character (or "PC") can acquire. From the Player's Handbook (p.80):

"You can respond quickly and repeatedly to opponents who let their defenses down.

• Benefit: When foes leave themselves open, you may make a number of additional attacks of opportunity equal to your Dexterity modifier. For example, a character with a Dexterity of 15 can make a total of three attacks of opportunity in a round—the one attack of opportunity any character is entitled to, plus two more attacks because of his +2 Dexterity bonus. If four goblins move through the character's threatened area, he can make attacks of opportunity against three of the four. You can still only make one attack of opportunity per enemy.
  You may also make attacks of opportunity while flat-footed.
• Normal: A character not capable of this feat can make only one attack of opportunity per round and can't make attacks of opportunity while flat-footed.
• Special: A rogue with the Combat Reflexes feat still can only make one attack of opportunity in a round if he uses his opportunist ability (see page 48) to make that attack."

Seriously enough, I believe this feat is a waste of time -- why are you letting enemies close enough to you as to have to make opportunity attacks anyway? If you play a class that primarily acts on the front line (such as a barbarian), this feat could be useful if you plan on flinging the guy into a horde of baddies. Worthless for people who aren't keen on dying.