Defending The Vanguard

Objectives
Crusader Lord Dalfors at the Argent Vanguard in Icecrown has asked that you kill 15 Forgotten Depths Nerubians.
 * Forgotten Depths Nerubians slain (15)

Description
We can't keep this pace up, . Once the breach was blown, the floodgates opened up. The Scourge have been pourin' through ever since with no end in sight!

We need every able bodied man and woman to help keep the tide of evil at bay. Get out there and do yer share, friend. Kill as many of those monsters as ye can!

Rewards
You will be able to choose one of these rewards:

Progress
Don't give up, !

Completion
How many of them could there possibly be? We've killed enough to fill ten graveyards and still they come. The situation looks grim, friend.