Sounds like that'll really come in handy... [He says about her tanto, but then he flashes her a confident grin in reaction to her question.]

Don't worry about me! I may not have any weapons of my own, but I'm pretty tough! I'm sure I can take down anything this place can throw at us! [It's a bit of an exaggeration, and he's lucky that he managed to warm himself up well enough beforehand to handle this, but he wants to do his best to inspire confidence.]