[ Huh. The rift is quite clearly what their caravan ran into, though rather than only ("only") a rift it'd reminded him a bit more of the canyons he's seen, but Geralt's mentioning it is enough to pique Claude's curiosity even more. ]

Ours certainly did.

[ He peers up at Geralt while putting away the samples, and with the vials now secure stands once more to dust his gloves off to the side away from either of them. Better safe than sorry if the flowers' ability to poison extends to their pollen, and also better to avoid any cross-contamination of what he might offer the apothecaries or alchemists in town.

A simple process of elimination here: he'd really only told Petra and Sylvain about his travels so that leaves his other companions as potential links. Nothing about the journey was top secret from start to finish and he'd already assumed word would spread - if not by mouth then by horizon contact, convenient as it is - so it's more about the knowledge of connecting who knows who to each other through this that Claude's interested in. ]

I take it you know someone I was traveling with, though there's quite a few options there between the four of us who went and... well, the rest of the soldiers.