Deep in Zul'Farrak, the sand troll city in Tanaris, there is a sacred pool.  From that pool the trolls summon a huge beast!  Gahz'rilla!  He's so fierce that even his scales crackle with energy.  It's that energy I want to harness for my car!$B$BBring me the electrified scale of Gahz'rilla!$B$BBut the summoning of Gahz'rilla is a well-kept secret of the trolls.  To face him, you must first wrest the secret from them.