I wonder if the light inside Vader wasn't so much for Luke but for C-3PO as well.
I think calling upon the Bard may be merited for that last panel, because no words of mine would do that image justice.
Hamlet: "Alas, poor Yorick! I knew him, Horatio - a fellow of infinite jest, of most excellent fancy. He hath bore me on his back a thousand times, and now how abhorred in my imagination it is! My gorge rises at it. Here hung these lips that I have kissed I know not how oft. Where be your gibes now? Your gambols? Your songs? Your flashes of merriment that were wont to set the table on a roar?"