"You seem to be dealing with it pretty well," he says. He snorts a little, amused. He doesn't know the word universe but he can guess the meaning well enough. (Sort of.)

"I wouldn't say everything I know is wrong," he says, "but there's more that I didn't know than I realised."

He can't begin to explain everything even to someone who knows about their world, all his terrible power and what he would and could and will do with it.

"I did leave," he says, "eventually. I crossed that ocean, but I don't have anything good to say about it. All there was across the ocean was a bunch of people who hated us."

To Eren, the whole world was an enemy. He knows they don't deserve to be painted with such a broad brush, but he does it anyway.

"I've never seen snow like this. I've been in a blizzard, but this is a lot worse," he says. "And the things here…electricity. Cars. We didn't have that inside the walls. The outside world did. We just built a train, uh…a year ago, maybe? I can't imagine what half the shit here even used to do when it worked," he answers.

"I know about monsters, though. Someone told me there's one here that no one can stop."