This article is about a part of Guild Wars that has been removed from the game in the Game_updates/20091022#Codex_Arena.
Please see the history of this article for further information.
As with Alliance Battle NPC's, this ally can help you overtake, or help defend your strategic shrines in Hero Battles. Having him present is definitely advantageous. However, just like his AB cousins, if his shrine falls into enemy hands, he dies on the spot.