Possession

AU: Long ago, Klaus Mikaelson managed to capture the most powerful creature in existence, keeping her captive and taking her power from her, night after night. For a century, he has done this, but it has come to an end. His estranged brother, Elijah Mikaelson, has discovered this secret weapon and has succeeded in taking the lady from his deranged sibling. But what will Elijah do with her, now that she's in his possession? Grant her freedom? Or keep her for himself?