Howlers' Notch is overrun with dangerous Wargs.
'Good work, ${PLAYER}. The information you gathered will help when we push forward to reclaim Zarkul-sulûn.
'A scout returned while you were away with news of a Warg camp not far from where you found my clumsy brother. If you are still of a mind to help, make your way to Howlers' Notch and put down as many of those abominations as you can.
'Good luck! Oh, and, I've heard tell of a monstrous Warg in that area, so do be careful.'
Howlers' Notch can be found in central Elderslade.
You should defeat Wargs at Howlers' Notch.
The den mother can be found inside the cave at Howler's Notch.
Defeat the den mother.