Conversation so far:
When did Anya Jenkins first appear as a character?
the Anya Jenkins character appears as a guest star in the third and fourth seasons of the show before becoming a series regular.
Was the character of Anya Jenkins a villian in the program?
Anyanka has come to Sunnydale in response to the distress of Cordelia, who is upset after catching her boyfriend, Xander Harris, kissing their friend Willow.
Did Anya Jenkins help Cordelia or hurt Willow?
Cordelia states: I wish that Buffy Summers had never come to Sunnydale. Anya shows her true demon face to Cordelia and says, Done. and the world changes
What happens after Cordelia states: I wish that Buffy Summers had never come to Sunnydale. Anya shows her true demon face to Cordelia and says, Done. and the world changes?
Now they're in an alternative reality in which Buffy has not come to Sunnydale and the vampire population has multiplied and gained in power
Does Anya Jenkins remain a character in the buffy the vampire slayer series?
Anya Jenkins returns to Sunnydale early in Season Four, still infatuated with Xander
Does Anya Jenkins and Buffy talk?
What happens in the buffy the vampire slayer episode Doppelgangland?
Anya Jenkins is assisting in a failed magical attempt to recover the necklace which was her power center, lost when Giles destroyed it to reverse the wish granted for Cordelia

Question: How does the episode end?
Self-contained rewrite: How does the buffy the vampire slayer episode Doppelgangland episode end?