Slay Overmaster Pyron and return to Jalinda Sprig. You recall Jalinda talking about Pyron guarding the quarry. Perhaps you should search there?
The last five of my mages that went snooping around in Blackrock Mountain came back extra crispy with a permanent orange gnomefro - or worse.
<Jalinda picks up some ashes from the ground and releases them into the air.>
One nasty bugger in particular, Overmaster Pyron, seems to be causing quite a bit of trouble. We need that elemental terminated so that our expedition crew can make its way into Blackrock Depths!
He guards the entrance at the Blackrock Quarry.