Hermione looked over curiously at Harry just then, wondering what he was about to do. She saw his slumped shoulders rise and fall with his anxiety, as he waged a war inside, and she suddenly thought she knew what was about to happen ... and how hard it would be for him. She wanted to stop him, to call out and race to his rescue. But the Mercurial waters seemed to have rendered her inert and mute ... she couldn’t move ... couldn’t cry out in protest ...