I don't think that's the case. I have SCOURED the grove and even got the journal to say that everyone is dead and return to minthara. Its just that minthara seems stuck.
the hollows, the sacred pool, the emerald grove, the area with the harpies, the tiefling hideout, the storage house, the makeshift prison, the secluded chamber, the gate, the ramparts above the gate, the area with the telescope, the back passageways, the trading areas, the area outside the gate, the secret chamber with the spear of sorrow. every nook and cranny. its driving me bonkers. Ive replayed the battle about a dozen times and have been stuck for more than a week