Robin let out a laugh, and began walking. "I have to say, you're taking this exceptionally well." He had been concerned with breaking the news easily, but perhaps just laying it all out and then answering any questions she had might work better, since she was apparently not upset by what he had said thus far.
"All right, so what it boils down to is this: there's a very powerful demon trying to start the Apocalypse, by breaking a series of seals. I'm not entirely sure what all that entails, but what I do know is that one has started pulling people into this world. Some are fictional characters-- at least, fictional in this world." That was an off-putting idea, and he was still not entirely sure if they were still real in their own worlds, or how exactly that worked. "But, not everyone is. And some of us hover somewhere in the middle."