Olum's sacrifice was tremendous.  I would never have asked him to give up his life myself.  But it is done.$B$BIf we're to lure Illidan back into a false sense of security, we need to do his bidding - at least for now.$B$BI command a vast army of Ashtongue, but - aside from the Deathsworn - none can be trusted.$B$BYou are to perform the deed that Illidan demands.  Take this cowl; it is magical in nature.  You will appear to be one of my men to any who see you slaying Kael's phoenix, Al'ar.