You have pledged to lend your aid and your adventuring skills to Durin's Folk and fight on their behalf in Mordor.
'I heard that King Thorin is worried about something, but I do not know what it might be. You should report to him of your adventures in Mordor and learn what so concerns him.'
The dwarf heroes sent into Mordor by King Thorin have not reported back in some time, and are missing somewhere in Dor Amarth, south of Lûghash.
King Thorin has sent you to find the missing dwarf heroes in Mordor.
You found Dómor in Dor Amarth. Does he know where the other dwarf heroes have gone?
Dómor asked you to search to the north, in the direction of Lûghash, for the treacherous Mogi.