This quest was marked obsolete by Blizzard and cannot be obtained or completed.
Venture to the Caverns of Time in Tanaris and find Anachronos, Brood of Nozdormu.
Discover the Brood of Nozdormu.
The embrace of death had all but overcome my being when he intervened. He breathed only once upon my maimed body and then waited patiently for the sands of time to cleanse my wounds.
"Forever you will remain if you must," he said, and with those words I was bound as a Watcher.
Look now to the desert. The second war is upon us. You must seek out the resting place of the Bronze. Venture to the Caverns of Time and see if the master has returned. I must be sure before I am able to proceed.