[ Another nod. ]

Yeah. It wasn't from my own world. I don't have any proof, but I just know.

[ In fact, he'd shelved that strange memory and hadn't thought too deeply about it until now. ]

I think there used to be others here before us. So... maybe it's something from one of them?

[ Or, perhaps even more concerning to Chain: ]

Or maybe from someone who created the place we're in.