Not really much I can say about the intro.
The fight, on the other hand, had some weird issues,
like the weapon over hands. It's easy to fix this though since someone else had this problem before so take a look at
this whenever you get the chance.
So
this first attack makes no sense, you made Shulkle jump in a pose where he would have no power in his swing, then he defied gravity to swing his arms up (which still doesn't help that swing, it'd still be weak if it somehow made sense), and then swing down. Not only that but why was he able to jump that with barely any preparation for the jump in the first place, sure he squatted down for about 3 frames, but that doesn't justify him not only jumping that high in the air, it doesn't justify the distance either.
I get what you were going for, but I think you went about it the wrong way. See, when most people want to set up the illusion of a second plane for them to be fighting on they do something like maybe duplicate the tiles behind the original (
something like this) not saying you have to copy this exactly, but this is just to give you an idea of how to go about doing this next time.
Also a minor complaint, I didn't exactly see it at first, but after rewatching it a few times it started to bug me that I could see part of the canvas while the map was moving.
https://imgur.com/aJJZl1e
I...uh.
I don't get it. I'm not exactly sure what I'm supposed to get here. Why were those random effects there? Why did you defy gravity again and have them drop like rocks out of nowhere? How was that huge ass crater made from a punch that didn't even look like it had that much power behind it? What's up with all those rocks that shoot up out of the ground and then vanish 1 second later? There are just so many questions. I genuinely cannot make sense of this.