Slay Lorekeeper Amberwind at the Darnassian Base Camp and retrieve her journal.
If my sources are trustworthy, Lorekeeper Amberwind is overseeing the Alliance investigation of the ruins to the east. I have not yet probed the extent of her abilities: I'm hoping you can give me a full report by engaging her in combat and destroying her.
With a title like 'Lorekeeper,' I'm guessing Amberwind will have a journal on her that'll tell us exactly what those night elves are up to. Fetch that journal for me. No need to run back; use their own scrying stones to contact me remotely.