She stiffens a little at that - she's always worked with humans; they just need a bit of direction. The resistance's appearance was extremely useful, especially since they already had the structures in place for her to step into. "I'm hardly going to let the Cybermen loose on a universe. Especially when there's a crack they could slip through."

One that she would have closed herself if her TARDIS had been working. Speaking of which, it's been a while since she's had to check on her ship's progress. Should be almost capable of making another trip by now.

And... there it is. "A couple regenerations." Not even a century, though she's hardly going to talk about that. Her last regeneration was... short and private. Best to let memories of him rest.