In Raven's Dust Druid camp, find Celestina Waterbreeze and say Tree.
She will ask for 2 Flasks of Crystal Water (Dropped by various creatures in Stoneheim, and by Grott, Dune Raiders etc in Raven's Dust. Consult the Item Chart for more details) to save the little tree.
Take the 2 Flasks to Celestina and say Tree and then Yes. As a reward, you will get a Pouch of Willowbark and 8.000 Experience Points.
Gain :