He finds the wreckage of the Second Death Star, and finds Palpatine desperately clinging to life with dark side magic, and maybe a little help from life support maintained by freak show cultists.
You know what this means, right?
I do really like your idea Sparky, but not quite enough for me to look past Palpatine’s importance to the Saga. If it were any other Sith lord, this would be a perfect end, but not him. He’s our big bad.