I'm made of crystal. They won't be able to eat me even if they try to.

[ That's supposed to be reassuring, but for some reason they have a feeling that even that won't deter the sirens from at least attacking them, which of course means gross siren slobber in their future... they take a step back and pull the other with them, moving a little bit more in front of him as the sirens hiss in their direction. ]

You, on the other hand... you must be human. It's better if you just stay behind me.