Harry shoved over to give her room, taking the soap with a muttered, "thanks, Hermione."
He blew on the soup to cool it off and shook his head. "I don't even know how we managed to get rid of the other one. I tried that sword. A few times. I guess it just had to. . . open first. . . " Which he couldn't quite remember how he'd done.
He'd been after something when he went in the water. . . "Nagini," he blurted as he remembered. He blinked and then told Hermione. "I saw Nagini, and heard Voldemort, and then I told it to open. I think I said it in Parseltongue. And then Ron destroyed it, I think."