She’s Harry Potter twin but instead of being raised by the Dursley’s she was raised by the mikaelson family. She can use wandless magic she’s also the most powerful witch in the world at only 14.

Like Harry Potter is the chosen one she’s the great evil and one day her cruse is she’ll become the most evil person in the world worse than Voldemort.

Dumbledore:”we have a new student joining our 4th year old welcome Effy potter”