I'm still going through each character's arcade mode but I' m not sure how to get the hidden boss. I've ♥♥♥♥♥♥ plenty of perfects/double perfects in a run even

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The difficulty of the AI is really badly dosed, even in "Easy" some AI beat me too easily that I have the impression that they are in "Legend" difficulty. Moreover, the "special" moves are really almost impossible to perform. I find that 3 buttons except the start button and the directional joystick is not enough for an optimal gameplay. I hope the next patch(es) will correct these flaws....

The only thing I dislike is that the button combination for the ultra move (the one that take 3 energy bars) include a button combination for another move, so most of the time when I try to do it, the other move come out instead of the ultra. It's really annoying, maybe I'm missing something to prevent that from happening but I'd say the 2/3 of the times I try to do the ultra I get the other move instead then I get severly punished for it. Maybe it's because I miss the first button of the combination but w...