Once Luffy was getting closer to Katakuri in FS, he never dodged again by manipulating his bidy. Luffy got so close he tagged him in base form. Its definitely mid to Low diff. Luffy can tag him at the start of the fight now. Katakuri had trouble tagging pre FS Luffy who hadn't gone through Odon training. Post Odon training Luffy is physically stronger, better CoA, etc... Its a Low diff to tbh
Or Luffy vs an admiral?
Cuz I don’t think Marco or Fujitora can low diff Katakuri. And I feel like it’s a bit much to put Luffy over the admirals.