This is amazing! Made it to the final boss, but I literally couldn't figure out how to beat the long banana parrying phase of the big guy. Some of the circles were pink and I didn't have to parry them, but I could never figure out how to deal damage.
Beyond that, this game is awesome. There was something very satisfying about seeing the parried projectiles always home to the target that made me want to keep playing, and I felt a genuine rush on beating the first guy and the archer.
It's a hard game, but I don't think it's too hard. Any easier and it would be less satisfying - it took me about 20 minutes to get to the final boss and I think that's okay. Importantly, every death felt like my own fault for dodging wrong or getting too greedy - not a single death felt like it was just unlucky.
Excellent game, this is genuinely awesome :) If I figured out how to beat the final boss I would definitely come back again to do it.