You were suggesting the implementation of some sort of prophecy, so I simply suggested one that is currently already canon, even if it doesn’t appear in the film. Fairly certain it’s in the novelization.
So, following your outline… “two will take the throne from the ashes of the Emperor who ruled the galaxy”.
Ah, it’s in the book? Lol, of course! hahaha. (You know me and my view on such things. 😄)
But yeah, if it helps with the dagger and trying to make it more ancient and prophecy like … that would be neat … but yeah, i don’t really care too much how it is done, but that it can be done and makes the connection to going to endor. Man … I will be jumping up and down with joy.