There's always someone who can't seem to manage any teamwork. One of his best friends at home was that way. It didn't stop Armin from worrying that he's endangered someone else. He tries again to catch the stranger's attention, making his voice as forceful as he's able. It's a little steadier than before.

"There might be more! We should leave quickly!"

Large predators that have time to lay in wait that way are bad news, after all. Probably clever, to hunt that way. He doesn't want to find out.