Executioner's Style

Prerequisite: Con 13, any martial class
Benefit: You gain a benefit with any of the following powers you possess.
Careful Attack (ranger): If your target is immobilized, restrained, stunned, or unconscious when you hit with this exploit, you deal extra damage equal to your Constitution modifier.
Commander’s Strike (warlord): If your target is immobilized, restrained, stunned, or unconscious, your ally can add your Constitution modifier to the attack roll.
Piercing Strike (rogue): If your target is immobilized, restrained, stunned, or unconscious when you hit with this exploit, you deal extra damage equal to your Constitution modifier.
Reaping Strike (fighter): If your target is immobilized, restrained, stunned, or unconscious, and you miss, you deal extra damage equal to your Constitution modifier.

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