video;
[ he smirks back. he watches her species take form and grow into what they'd been for the past couple of millenia. this was probably one of the most exciting moments in castiel's very long life. ]
That's what you are. Evolution isn't new to your kind. It's an inevitable step.
[ though, he doesn't see how that would work; if an entire species couldn't make contact, they couldn't procreate. what purpose does this mutation even serve? he'll...save that question for later. ]