Rust and ruin, that's a lot. That would be a lot for a stable adult; hearing it come out of a kid? That makes Devero's heart hurt for him.

"You really have been having a shitty day, huh?" he says quietly. The words are earnest, not meant to minimize or dismiss everything Ken has been through. "Haven't even gotten a minute to-- to process all of that, before you got yanked here. I'm so sorry."

He doesn't even know where to start untangling all the huge, enormous implications of Ken's story, so he focuses on what he does know: "Are you hurt anywhere, after all of that?" Start small. Attend physical needs first. He knows that much.