Very professional looking, but my god ... my reflexes must be shot. I feel I need to be a little psychic to react in time.
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lol, it does need some concentration but no need for psychic abilities :)
there's a time window you should aim for - it's not the exact moment the arrow appears but the pulse ring moment after that. try to use the music as a timing guide.
though i agree that another day or 2 to tweak the mechanics would've been nice...