Nibenay's Glory Practice [Arena Fighting]

Heroic Tier
Prerequisite: Any martial class
Benefit: You gain a +2 feat bonus to Endurance checks.
    Once per encounter, when you use a power associated with this feat and hit an enemy with it, your next attack against that enemy before the end of your next turn gains combat advantage.

Update (6/28/2011)
Changed to match July update.

Associated Powers: Brash Assault, Deft Strike, Marauder's Rush, Reaping Strike

Published in Dark Sun Campaign Setting, page(s) 111.