You've spoken with the Forgotten Knight about the Harbinger who attacked you. The Harbingers are former Travelers who have been corrupted by Orobyss and serve one of his generals. She’s tasked you with hunting down more Harbingers in order to disrupt them to the point where you can strike at their leader.

• Defeat one more Harbinger by conquering a different Timeline at 300 Corruption

You’ve finally defeated enough Harbingers for the Forgotten Knight to be able to open a way to their leader, Aberroth. Speak with the Forgotten Knight when you are ready.

• Return to the Forgotten Knight

You’ve finally defeated enough Harbingers for the Forgotten Knight to be able to open a way to their leader, Aberroth. The Forgotten Knight has forgiven herself and become a paladin, speak with her when you are ready.

• Speak with Orenthia

You’ve finally defeated enough Harbingers for the paladin Orenthia to be able to open a way to their leader, Aberroth. Face Aberroth in the Altar of Oblivion when you are ready.