A high amiably faction with Ashen Order is needed to receive the quest and to turn in the quest items.
Low "amiably" does not work !
What I did to raise my freeport monk faction was to kill Deathfist Orcs in the Commonlands and in Nektulos Forest. This seems to be the best option. The two orc camps in Nektulos Forest are the best spot for high level chars as they have up to 18 deathfist orcs. The respawn rate in both zones is only about 5 minutes !