This quest was marked obsolete by Blizzard and cannot be obtained or completed.Speak with Grol Warblade in Silithus.
The Bilgewater Cartel have already begun mining operations in Silithus to extract this mysterious substance.
The Warchief has insisted that you personally oversee the extraction efforts in Silithus and prevent the Alliance from interfering.
Gallywix seemed less than pleased with your appointment, but nobody refuses Sylvanas...
You must go to Silithus at once. The base commander is awaiting your arrival.