The red guy looks like he is just bouncing or at least his sword. I think you are trying to show that he is organic and therefore cannot hold his sword perfectly still, but the swings look a bit too regular and I think they should stop after a while or nearly stop.
When the green guy throws away his sword it looks like it boomerangs away, kinda funky. Is that what you wanted?
Otherwise it is a cool little piece. Looks like the green dude, would prefer a bit of an unfair advantage, huh?
O3