In order to do this quest you must finish the The Ice Islands Quest.
Starting at the town of Svargrond you must go to the north part of town, (North Yellow circle), and exit to the area above the arena by the Magic Carpet entrance.
Then walk north-west on the path to the Formorgar Mines.
(Consider on all images, the Blue Circle is where you start, and the Pink Circle is where you must go.)
You are going to need 9 parcels or spell
Formula: exani hur
Price: 500 gp.
Group cooldown: 2s.
Premium Promotion Usable by classes:
Knight Paladin Sorcerer Druid
Created in patch: 7.01
"Exani hur up"
And follow the path marked.
The red circle is a door, if you don't have The ice Islands Quest you can not pass the door.
Down the stairs.
are in the
in the corner east from the stairs.