335% damage attack with Ness in one move

[Cornbrd]

I was playing for glory...no need to explain, watch this.

youtube.com/watch?v=DZRhH7O6mPM

Can anyone explain this? How many active hit boxes are there?!

 

[Metalbro]

That was insane. I think it had something to do with the hitlag and the bats reflective properties.