Despite the failure of the Iron Garrison, the dwarves will not allow the Orcs of Khazad-dûm to spill forth into Azanulbizar, the Dimrill Dale.
'I have a new mission for you, ${PLAYER}.
'Our scouts in the Dimrill Dale have sighted another band of Orcs rallying outside the East-gate. It seems that the few remaining Orcs of Mazog's clan of old, the Pûlpum, now lead them. The evils of Azog and his foul offspring haunt us at every step! This cannot stand!
'You are to travel to the Dimrill Dale at once and defeat the Pûlpum leading the Orcs at the East-gate. For the Kharum-ubnâr!'
Your mission is to defeat the Pûlpum gate-captain and Orcs camped at the East-gate of Moria.
You should talk to Vorthur Smokebreath and travel to the Dimrill Dale.
You have completed your mission.
You should talk to Vorthur Smokebreath at Akrâz-zahar.