I think the PT and OT work together great as well. What is undone in TLJ that was done in the first 6 films?
Luke's character, the nature of the Force, the nature of Force Ghosts and my love of Star Wars just to name the first four that came to me in 10 seconds.
The nature of the Force??? Let's pick that one . What's wrong with the nature of the Force here? I'm a big fan of the Force.
