'They will look like him. Except fully metal. Human only in shape. There will be at least one who is fully metal, even if the others look like William. We call them Cybermen. As for how to stop them? That's... Harder. Short electric blasts work. But in order to do that, we will need to go further in. I think we are going to get lucky, I don't think there are... Lots of them.'<br/>He hoped, anyway. Dear god, he hoped.<br/><br/>'Do you need a moment? There won't be any time for resting or hesitation the closer we get to wherever they are hiding. I don't know what we will find, I need you prepared for anything.'