Another lost Mikaelson sister

There are seven Mikaelson siblings but with the taking of Freya and the death of Henric they are now five : Finn , Elijah , Kol , Rebekah and their half brother Nicklaus .

What if they had another sister that they didn't know about ?

Over centries a girl lived alone without family , hiding in the darkness , afraid of her own shadow . But this darkness she was hiding in turned her into a horrible creature , a monster with no kindness , no love , no mercy .
I am klaudia and That's my story .