Ghân-buri-Ghân, chief of the Drúedain, asks of you to slay the Orc, Shákrug, in retribution for the death of Ghân-buri-Ghân's son, Bhai-buri-Ghân.
'Stranger, you come to our village in a terrible time. Our greatest foes, you call Orcs, threaten us. Our Okwô-kuryô statues ward them away but our numbers dwindle.
'Our spirit, not as wide as once was. My son, Bhai-buri-Ghân, slain by these evil beasts. Shákrug is to blame, leads Orcs. Find, kill, bring me Shákrug's head. No more Drúedain may die by hand of Shákrug.'
The spot where Bhai-buri-Ghân was killed can be found east of Amon Dîn, outside of the Drúadan Forest.
You should hike to the place where Bhai-buri-Ghân was killed by Shákrug.
You should follow the Orc prints to see where they lead.
Maudhúl Grak can be found in northern Taur Drúadan.
You should find Shákrug's stronghold in Maudhúl Grak.
The Mordor Key-warden is located in Maudhúl Grak.
You should defeat the Mordor Key-warden.