"..." Armin just stares for a moment, Alcuin's words confusing to him. A strange sort of horror sets in. It is obvious the other boy expects him to have a firmer grasp on the situation than he does, but the last thing Armin remembers is climbing the wall after the battle of Trost, defending Eren with Mikasa. And none of these people look like they come from anywhere Armin recognizes. They certainly aren't in the military.

"I... I've never see it before, and I don't remember being injured. But...

Who is Joscelin? And what is liminal space?"