Sam has seen pictures of those, which means that he doesn't really appreciate the beast, but he can at least conceptually understand that it was a hell of a predator for a group of people who might not all be fighters.

"Nah, he's been here for a while, apparently. Not really sure what to make of it, though; the timelines for when we last met don't exactly line up."

It's a little too much to think about right now, so he shrugs it off in favor for Tidus' story. "He knows you from back home, you mean?"