Rey would argue fiercely against that, that she was Rey and how could there ever be another version of her. It wouldn't make much sense to her, given she'd just washed up on shore and she was still soaked to the bone.

And at the word Darth, Rey grits her teeth and takes a combative stance. "You're a Sith Lord. How do I know you're not trying to poison me? How do I know that you're not doing what Sith Lords do, taking advantage of others for their own gain?" Her lips were drawn into a snarl. But she didn't have Anakin Skywalker's lightsaber, not anymore, she had to assume its pieces were left behind on the floor of the Supremecy. In Snoke's throne room.

But a lightsaber wasn't the only thing she had up her sleeves.