[Kashuu will stick close by just in case Zoro needs to be pulled away at the last second, but he seems to have a good grip on things so far... And the geyser is mercifully silent for now, though who knows how long that might last.]

Mmhm, there's probably some kinda water running down there. We'd just have to see if there are any caves that lead to it. ...And find some way to explore without getting super, super lost.