[Irene will be a ghost on the pages for as long as necessary -- or for as long as James Moriarty will allow her to be.]

Even.

[A soft laugh as she leans back into her chair.]

Your life would have been boring and bland without me, Sherlock. I think my little game was well worth your antics in a terrorist camp.

[But there's a warmth in her eyes, as she says it, and it's quite clear, without saying so, that Irene will do as he asks.]