Well, I can talk to Ashuramaru. But I think that's more....hm, psychological? In my head? Not so much the sword itself. Ashuramaru is a sword. But when I've talked to him, he's been more person...er, demon looking.

[Can you just beat up vampires with your fists....? Luffy plz.]

Maybe we'd stand a chance with our fists if vampires weren't like seven times stronger. We need the Cursed Gear to try make up for that. And those pills that help us synchronize with our demons.