Additional requirements to obtain this quest:
Progress
Dark Iron, while plentiful in the Depths, is still a valued commodity amongst the Brotherhood. The sacred arms and armaments of Ragnaros favor Dark Iron.
For every 10 pieces of Dark Iron Ore you offer, favor amongst the Brotherhood you will gain.
Completion
Your offering has been accepted. Favor you have gained. Continue and you shall be allowed access to the ancient trades.
Additional Information