Board Thread:Questions and answers/@comment-27279375-20161007014021/@comment-8695373-20161007104537

She possessed the Susano'o Unit, and then did something that sent both Ragna and Terumi to some sort of Sealed Space, where Terumi was killable despite being a ghost.

What she did, what was that space, and what is that sword she summoned, is unknown for now.