You found a Grass Knot in the MuMu Farmland. Return to Olenja with the knot and ask her what it is.
Step 1. Take the MuMu Grass KnotA knot found in the MuMu Farmland. The grass is rather intricately knotted, giving the impression that it has a special meaning. to OlenjaAn Archon Sentinel dispatched to Moslan Forest in the western side of Altgard. She is a little too cautious..
Step 1.1 Start the quest by right clicking on the quest iotem that you pick up from one of the mobs in the Mumu farmlands.