Gather 8 thawthorn plants. They grow on the cliffs surrounding Howlers Cove - you'll need your flying mount to look for them. They look like glowing golden bushes. For example, there's one at ( 4642, -848, 538 ) /waypoint 4642, -848, 538.
Return to Healer Salinca Cheldr
Teleport 8 defenders to safety - they look like bodies laying on the rocks, and are untrackable. They are on the cliffs south of Scarstone ( 4642, -848, 538 ) /waypoint 4642, -848, 538