Luke swatted his blue blade through the air, deflecting Vader's fluid swings with a bit of effort, but guided by the force nonetheless. Always on the defense and stepping back, he knew he wouldn't last much longer.

He thought of what would happen to Leia if he died, and found the strength to battle on. As he neared a large bookshelf that had fallen and split in two on a table he formed a plan.

Vader struck for his head.

Luke ducked, ran toward the window, and stopped between the bookshelf and the open Coruscant evening while Vader watched him curiously.

They stood several feet apart, staring each other down.