A Ghost in the Machine

I fear that these dwarves do not understand what they have built upon. This area was once the ancestral grounds for the Shadowmoon orcs. I speak of spirits, $r.$B$BFor nearly twenty years they have laid dormant beneath the WIldhammer Stronghold, but recently, something has riled them up.$B$BVenture beyond the gates of Wildhammer and seek out the pools and rivers of fel lava found across this land. Near the lava will be ever-burning ash. Bring me this ash so that I may craft something that will help us.