You're right. With how many people who are here alone, it's not likely that everyone knows how to fight against things that'd try to hurt them.

[ At least, going by the general population she had caught glimpse of in the various worlds she'd been too. Maybe whatever was bringing people here only wanted those who could fight. It would explain all the people that she knew before showing up here.

... Oh, right. She should probably introduce herself.]

I'm Aqua. What's your name?