I don't....
Find this impressive. The sounds were OK but they didn't sound clear.
The animations were unsmooth and the rasengan for the 'clash' thing wasn't such a good idea.
This is my opinion but Im basing it solely on that. It always looks as if Korah is always tired panting. And the part where the keep on slashing each other is just a repeat of animations make it faster running. It might look better.
Still all in all it was pretty good. The story sounds fimiliar.