She is present for the meeting between Garrosh and Sylvanas, where Sylvanas reveals that the val'kyr have joined the Forsaken. They nearby val'kyr Agatha then resurrects the nearby fallen corpses as Forsaken, much to the disgust of Garrosh and High Warlord Cromush.
Arthura later ater aids in the resurrection of Lord Godfrey and his lieutenants. When Lord Godfrey betrays and kills Sylvanas, Agatha and Daschla are immediately willing to sacrifice themselves to bring her back, while Arthura was hesitant pointing out that they would die in the act resurrecting Sylvanas. Arthura eventually agrees to sacrifice herself after being reminded of the pact they made.