Well...yes, she could do that. But I don't know that you could truly call that an invasion. After all, she'd be the one bringing them here. And chances are, she would only bring a few individuals as opposed to an entire alien race. I mean...she only brought the two of us here, after all. And many of the monsters here seem to be the lone representative of their universes.

[Okay, they can talk about hypothetical alien invasions, he guesses. Why not.]