He gives Derek a glance, nods brusquely, acknowledging the statement, but quick to amend it with an "I'm fine." Better off than the people who're being taken by the sea monster, anyway, and he's got a weapon. Broken ribs aren't going to get in the way of his being a damn good shot, but there isn't a lot of time to think about this strategically, not once Balthazar takes off towards the water.

Within several seconds, his decision is made, and he's following after, quickly but a little more cautiously, tossing a glance over his shoulder to see if Derek's coming, too. He doesn't know the guy, and to be fair, he doesn't know Balthazar or Riley that well, either, but this isn't the kind of thing you simply stand by and let happen. Gun in hand, he makes his way down the beach, looking for an opportunity to get a good shot off on that monster without endangering the people that're being dragged under the waves.