You place a curse of death upon your enemy—a sign that immortality is at an end.

Encounter  
Free Action      Close burst 10

Target: One nonminion creature you just damaged.

Effect: Once per round, when you score a critical hit against the target of your immortal curse, you gain an extra standard action. You must use the standard action to attack the target of your immortal curse, and you must use the action before the end of your next turn.

Revision (10/14/2009)
Replace the feature's Effect text with the following: Once per round, when you score a critical hit against the target of your immortal curse, you gain an extra standard action. You must use the standard action to attack the target of your immortal curse, and you must use the action before the end of your next turn.

Published in Dragon Magazine Annual, Dragon Magazine 372, page(s) 43.