I would replace King with Osamu, Takashi, and Akira getting the star fragment into one of their beys to show that they're more than the carp yet slightly relateable bladers and grew as characters
If you could replace who gets a star fragment in 4d/Fury, what would you change?
I would have taken it if king lost the fragment and variares and it inherited by masamune
if we could edit that much of 4D's plot i think i'd be more focused on making the story be not-a-snoozefest, or not-an-awful-arc.