Hellbound Traitor:
Kuhh! You are pretty clever. The Steel Citadel values people of talent like you.
Look here, you will be rewarded for killing the captain of the Hellbound rebels, but what about me? Don't you think that I deserve a little payment?
What I need is 10 Marks of Betrayal.
Bring me those and I'll gladly open this door.
Tell him that you have them.
Threaten him into opening the door immediately.