Skills in games are often represented by chance to succeed. Motions in fighting games work remarkably close to this, the better you get, the higher your chance of executing the move when you need it. Apply modifiers to especially stressfull situations. The better you are, the better the chance of success (all the way up to pros who drop, what, one command in a thousand? Less?) but it's still perfectly matches a model based on rng.
Val is broken apparently? Actually, has anyone even made a tier list ar this point?
Tier list amongts patrons (who are those who plays the most outside the devs, but not necessarily the best players) had Midori and Geiger on top, the rest fairly equal with some claims that Grave was also A+ or that Rook was bottom tier. In the latest build Midori and Geiger got some slight nerfs so for now they're looking pretty balanced.