The booth blocks Kenobi's path, and forces him to push forward again, towards Vader, in order to avoid being squished by it. That, and a little nudge of his own to make sure that it doesn't quite hit him.

"I don't remember that working out so well for you that time either," he says, switching to the offensive only because he has to - he doesn't have the knees anymore to jump on to it with his former agility.

But that's not it, is it? That's not where that realisation comes from. Vader's already killed him.

He's got a bad feeling about that.

But he's not worried about it, because if Vader's this angry, it means Luke is safe. For now.

"But you never were one for taking your time to do things right, were you, Anakin?"