Gaining Even More Acceptance

You've worked your way up through the Brotherhood's corporate hierarchy, ‹race›. We have begun to look favorably upon you. Quite an accomplishment! If you're interested in more work and earning more respect amongst us, listen up. We can refine our fiery flux by adding a simple Dark Iron residue to the mix. This Dark Iron residue can be found in Blackrock Depths. Bring me all the Dark Iron residue you find!