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human
[Star Wars] How would things have turned out in Jabba's palace if Luke took his lightsaber with him instead of hiding it in Artoo?

Also, why bother smuggling it in at all?
gpt
Luke was doing a Palpatine and pretty much going scorched earth on Jabba. It's the most dark side thing he's done during the trilogy.

Basically if he walked in there with his saber and instigated a fight, he'd have ended up like any other jedi during order 66. Ie. he'd have gone down in a hail of blaster fire.

Instead he plotted. He coldly used his friends as pawns, putting them in very dangerous but advantageous positions. He send in Lando as an inside guy. Then he send the droids to smuggle in the tools he needed. Then he leveraged Leaia to get Chewie close to Han. He put all of them at incredible risk if he couldn't pull of his end of the plan.

And then Luke goes in like a force of... well the force really. No subtlety, no light side, straight up dark side. He force chokes every Gammorean Guard who get's in his way. He crushes Bib Fortuna's puny mind and puppet master's his way straight to Jabba's throne.

Once there he doesn't bargain with Jabba. He makes Jabba an offer once, follows up with a threat which Jabba laughs at. And from that point on Luke pretty much proceeds to curb stomp Jabba's entire operation. By the time he's done Jabba is dead, his massive sail ship destroyed (with most of his top cronies on board) and his palace is a tomb. The entire Jabba the Hutt crime empire is over. And he did it with a smile.

Compare that to how Obi Wan always tried to do things and Luke pretty much straight up dark sided his way through.