I really love Nev’s ideas on the Sith Throne & the “Dark Chosen One” prophecy, so I took a crack at rewriting Kylo’s dialogue without directly contradiciting TLJ. I wound up watching the movie, which helped in figuring out the dialogue’s flow:
“Rey….wherever you are…You are hard to find.”
“You are hard to get rid of.”
“I pushed you in the desert because I needed to see it…I needed you to see it…who you are. I know the rest of your story. Rey…”
“You’re lying.”
“The Jedi have a story…a prophecy, really. About the Chosen One.”
“Don’t!”
“Bringing balance to the Force at the cost of peace.”
“I don’t want this!”
“The Sith have prophecies, too.”
“No!”
(Rey & Kylo cross blades)
“My family…see them!”
(Rey sees flashes of the prior movies, specifically the Skywalkers suffering.)
“Palpatine…always the planner.”
“Stop talking.”
“Rey, please…you have to know.”
(Cutaway to heroes capture)
“Your parents did you a kindness if you think about it. You were spared the fate of so many children. Instead of becoming a stormtrooper, you got to make your own choices. And yet, you may not have any choice at all.”
(The Vader monument gets smashed.)
“So that’s where you are. You know why the Emperor’s come out of hiding. I’ll come tell you.”
…
(In the hangar) Kylo continues:
“You need to know the truth. The future depends on it.”
“Tell me.”
“The First Order scoured the galaxy’s children, Rey. To find the Chosen One who would destroy the Skywalkers. And it turns out that’s you.”
“Luke sacrificed himself for you. My mother’s living on borrowed time. And only now, with all of the pieces in place, Palpatine makes his revival known. If you kill me, then the Sith will be restored. But we can stop it…together. And take the throne.”
(Removes his helmet)
“You know what you need to do. You know.”
“I know.”