Kill the Shadow Council! (Alliance)

Objectives
Kill 10 Shadowy Executioners, 10 Shadowy Summoners and Shadowmaster Grieve, and then return to Lieutenant Gravelhammer at the Allerian Stronghold in Terokkar Forest.
 * slain (10)
 * slain (10)
 * slain

Description
What! Those guys are Shadow Council?!

, you have to go back in there and waste them! I want you to take out their leader and as many of their executioners and summoners as you can.

After you're done with that, report back to Lieutenant Gravelhammer at the Allerian Stronghold.

Good luck, !

Reward
You will also receive:

Completion
That's dire news indeed! Well, it would seem I made the right choice in sending you out there to help Weeks. The last thing that we want is the Shadow Council establishing themselves right on our doorstep!

, in recognition of your efforts at Grangol'var Village, I hereby grant you the right to your pick of any of these fine rewards.

Gains
Upon completion of this quest you will gain:
 * 13750 XP (or at level 70)