Wikia

Veraku is a nether dragon located at the southern part of the Celestial Ridge in Netherstorm. ^{[72, 43]}

Securing the Celestial Ridge

Tyri asks you to kill Veraku so that she might take his place as leader of the Netherwing drakes in the area.
It has been noted that although dubbed a party quest that this mob can be soloed by any well equipped or skilled player.
If this quest is attempted after completing the Netherwing quest chain in Shadowmoon Valley you will have to change your reputation to At War with Netherwing or Veraku will not be to summon or attack him. Killing Veraku will not decrease your Netherwing reputation.