Clrakk Blackfist, quest npc in Kael, is not responding to any hails or quest text. Eats quest items when handed to him. Although unsure what faction is needed, I'm ally so it shouldn't be an issue.
https://wiki.project1999.com/Strife_to_the_Coldain
https://wiki.project1999.com/Clrakk_Blackfist