Conversation so far:
What was Anya Jenkins a recurring character in?
I don't think Joss Whedon ever intended to have Anya around for more than one episode." However, Anya returns in the episode "Doppelgangland", duping Willow into assisting in a failed.
Was she a friend of Buffy?
I wish that Buffy Summers had never come to Sunnydale." Anya shows her true demon face to Cordelia and says, "Done." and the world.

Question: What does her character do?
Self-contained rewrite: What does Anya Jenkins's character do?