the Avengers returned to Earth, Sersi fled to Warrior Falls, in Wakanda, trying to escape the guilt and the fear she felt due to her rash actions. The Black Knight found her and convinced her to return to Avengers Headquarters. Sersi said to her lover that she feared she was going insane. Upon her return to Avengers Headquarters, Sersi suddenly attacked her fellow Avengers. She was stopped only by the intervention of the Vision (who was secretly the Anti-Vision, a member of the Gatherers). The real Vision was being held prisoner in Proctor's Andean mountain base. By this time, Sersi's fellow Eternals had become aware of her unstable nature. Three of them came to her: Ikaris, Arex, and Sprite, to return her to Olympia (the Eternal capital). The Eternals feared Sersi was suffering from the Mahd W'yry disease, a breakdown of the mind due to the Eternals extended lives. Sersi rejected their fears as archaic and refused to accompany them back to Olympia. The Avengers also didn't want to let the Eternals take one of their members against her will. They also learned that if Sersi was found to be suffering from the Mahd W'yry, the Eternals planned to 'cleanse' her of it by molecular disintegration, killing her. Sprite, who had learned of Sersi's relations with the Black Knight, proposed that the Knight be made her Gann Josin. (a concept the Eternals use to describe an intimate joining of two minds as soulmates in their own personal Uni-Mind). Before the matter could be further discussed, Ikaris used his powers as the Prime Eternal to create the link between Sersi and The Black Knight. The Eternals then departed. The Black Knight was not happy with the result, for he had decided that he loved Crystal and not Sersi. The Avengers, had little time to discuss the situation because they assaulted Proctor's Andean citadel. Then they fought against the Kree suicide squad, In the Genoshan conflict, Sersi fought Exodus. The Avengers also venturing into Deviant Lemuria, in a battle against the mad priest Ghaur, an old enemy of Sersi. The relations between the teammates continued to worsen, and Sersi remained in her unstable state. The Avengers called on former member Hank Pym to discover the cause of her mental problems. At one point, Sersi confided in the Avengers' butler Jarvis that she had been having dreams about a strange man dressed in