I really like the Jedi. I like that they're this cool mix of Buddhist monk and Knight Templar. It's very much a religious issue, as well as a practical one. Becoming one with the Force is no different to the Buddhist belief in Nirvana, stuff like that. And of course, the lightsaber will always be an awesome weapon. As someone who's done fencing and kendo, it's really cool seeing moves from both martial arts coming into the choreography. Like when Darth Vader disarms Luke right before he cuts off his hand. That's a kendo move.
I also really like the Empire. I think, from everything to Darth Vader, to star destroyers, to the imperial officers to Emperor Palpatine, the Empire are what have completely sealed Star Wars' hold over pop culture. I mean, Rogue One was basically just an excuse to have all the Empire stuff again. The aesthetics are perfect, their motivation make sense, and they do enough horrific, horrible things to make us really hate them as villains. Cinema at its best in my opinion.
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"It's 106 miles to Arroyo, we've got a full fusion cell, half a pack of RadAway,
it's midnight, and I'm wearing a 50 year old Vault 13 jumpsuit. Let's hit it."