Location: This quest takes place in Stonetalon Mountains.

Shortly: Sentinel Mistress Geleneth at Thal’darah Overlook wants you to kill Harbinger Aph’lass and 10 Invading Tentacles.

How to: Go down from the north path into Stonetalon Peak. Go even north to find Aph’lass within some ruins. Tentacles are all around the peak.

The Rewards are 25 silvers and 250 reputation with Darnassus.