[ kanda it would have taken you two sentences to explain this to him. rondo gets it immediately - realization crosses his face, and he nods. ]

...So that's what he meant. [ i see... rondo laughs a little, and then explains: ] ... Mr. Kanda said that I'd die if I tried to fight whatever he thought was causing the fog, which - I took a little bit of offense to, but... now I see what he means. I've done my fair share of fighting against decayed human souls, and we have weapons that are a little stronger against hellfiends, but... the idea that they can't be damaged directly without something special is pretty scary.