'I have never seen the Orcs like this, Name; they pour from the gates of Moria as they have not done in years, and establish camps and outposts all along the road between here and there.
'If you would be a friend of Lorien, you must help us discourage the Orcs from this endeavour. Seek out these enemies to the north-west, and defeat them wherever you find them in Nanduhirion.
'The more Orcs you slay, the safer will be the road between Lothlorien and Moria. Their boldness worries me greatly.'
Hadroneth is worried about the mass of Orcs that have poured from the gates of Moria into the Dimrill Dale, and wants you to thin their numbers.
Defeat Orcs in Nanduhirion (0/10)
Orcs can be found along the road that road that leads through Nanduhirion, the Dimrill Dale, north-west of Talan Haldir.
Hadroneth has asked you to thin the numbers of the Orcs that have come forth from within the mountains.
Talk to Hadroneth
Hadroneth is on Talan Haldir, along the banks of Nimrodel.
The Elf Hadroneth is waiting for you to report of your success slaying the Orcs that have poured from the gates of Moria into Nandihirion.