[ Sylvain curses softly under his breath and turns away for a moment, scrubbing a hand over his face as he mentally calls himself seven kinds of idiot for overreacting. He takes a deep breath and then another, not turning back. No one's really paying attention to them over here, which he's grateful for, but also they already have enough here to worry about without him having a breakdown to add to it.

He's fine. He's not alone down here and they'll find a way out. He just has to keep reminding himself of that.

But first he has to apologize to Claude for snapping at him. ]

I'm sorry. I didn't mean... [ he trails off, because that skirts too close to an outright lie for him right now. Another slow exhale to buy himself a moment. ] Look, I don't do well being trapped in tight, dark spaces. And yeah, I know this isn't all that tight, but my brain doesn't seem to care much at the moment.

[ There. That sounded normal enough, right? ]