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