[Rather than be intimidated by the display, Roxas's frown deepens and he draws a sword, pointing it at the Disciple.]

I've stopped bigger threats with less. I'd rather not fight you if I don't have to. But if you need some sense knocked into you, these will work just fine.

[He honestly doesn't want to fight the Disciple, but if this is some sort of Heartless manifestation, he can't just leave it be.]