I know that Vader’s evil Mordor castle is a product of the 1970s, but since it never actually appeared in the OT, I guess I never really liked it. I don’t like things that make Vader closer to being Dracula or something. Vader to me is more of an efficient, dystopian villain, who spends his time in sterile, technological conference rooms and control centers. He has no interest in or time for melodramatic things like evil fortresses surrounded by lava. That sort of chthonic or infernal imagery is way too on the nose and thematically inconsistent with Vader’s story. Vader lives in an efficient, sterile world of starship technology and life support systems.