For Thousand Years (The Original series)
A witch, Elizabeth, was the elder sister of a foolish witch Qetsiya. When Qestsiya created The Other Side she damned her there because she did not help her destroy Qetsiya's fiancé who betrayed her.
After many years she escapes, and she returns to her coven.
Elizabeth is one of the most powerful witches.
Some called her The Original Witch. Her coven treated her as if she was a Goddess.
Elizabeth went to travel around the world to understand different kinds of magic.
She stops in a small village where she meets a witch and her family. She meets Klaus Mikalson. She immediately falls for him. They were together when his brother was killed by the werewolves. Klaus's mother asks for Elizabeth's help to protect Klaus and his siblings.
What she did not realize was that Klaus's mother had tricked her. She had found out about Elizabeth's past and wanted to take her powers. And she succeeds. She is again damned in the The Other Side.
When she escapes thousand years later. She only wants one thing. Klaus.