There were doubts about our capabilities among our potential new allies.  Of what use could we be to them when perceived as unable to deal with our problems at home?$B$BThis changes everything.  No longer will our power be questioned.  We'll be able to join the Horde as equals.$B$BTake this letter to Sylvanas, ruler of the Forsaken.  She's already on our side but the news of Dar'Khan's death will be music to her ears.  Prepare for a long trip, $N.  If all goes well she will send you to Orgrimmar.