Here’s an idea for the throne room scene in the climax of TROS.
Ben makes his way down to the sith temple and eventually fights his way to the throne room and joins with Rey in a face off with Palpatine in what looked like a setup for an epic final duel, unfortunately Ben proceeds to get yeeted down in an anti-climactic, dare I say comedic fashion.
What if we integrated the fight against the praetorian guards from TLJ here, with Palpatine observing from The throne. The battle could potentially end the same way as TROS or you can go another route, alternativley most of the Throne room scene from TLJ could be integrated, have Kylo bring Rey to palps like the original TROS script where at the beginning palpatine promises Kylo that he will rule with Rey as emperor and empress, have palpatine in awe of the power of the dyad standing before him and declare that it was all a trap (“you’re coming together will be your undoing, this will be the final word in the story of skywalker”) and then have both Rey and Kylo Ignite their sabers against the praetorian guards and the battle begins.
Although it is ambitious I think it is doable with some VFX, colour correction and rotoscope, with some added wizardry.