Originally Posted by SkyWalker

Trying to make the connection to R.O.T.J
When Vader gets hit with the Emperors lightning and messes up his breathing. Grievious was injured in the clone wars. A little inside to the geeks that know the backstory.
Yes, Lucas is alittle weak with dialogue. But he is trying to make the characters sound and talk different. They are from another galaxy afterall. Movies are a suspension of disbelief. If you can't let go of little details for a couple of hours, you are wound too tight.