Corellon's Wrath Style

Prerequisite: Int 13, any martial class
Benefit: You gain a benefit with any of the following powers you possess.
Commander’s Strike (warlord): If the target of this exploit is a demon, drow, orc, or spider, your ally can add half your Intelligence modifier (round up) to the attack roll.
Crushing Surge (fighter): If you hit a demon, drow, orc, or spider with this exploit, you gain a number of extra temporary hit points equal to your Intelligence modifier.
Riposte Strike (rogue): If you hit a demon, drow, orc, or spider with this exploit, you can add your Intelligence modifier to the attack roll and damage roll of your riposte.
Twin Strike (ranger): If you hit a demon, drow, orc, or spider with this exploit, you deal extra damage equal to your Intelligence modifier.

Published in Dragon Magazine 373, page(s) 17.