Interesting concept. I haven't played a fighting game in a long time and it was hard to get to grips with the controls while being attacked so a tutorial mode or combo list or something might be helpful to new players. Also playing on xbox controller I would say was weird due to the fact that the prompts are in playstation, except there was only the menu that showed that. No controls for keyboard (as far as I could tell) was also a little weird to me. I liked that there was 2 stances, but one seemed way cooler than the other one.
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Not having a tutorial is a big downfall I do admit. One of my biggest regrets that I wasn't able to add to the game for the jam. There are keyboard controls but they aren't mentioned in-game because of course, there is no tutorial haha. They were only mentioned on the game page so it's not your fault. Everything else you've mentioned are valid points and I will try to get those issues worked out.
Sorry for the confusing experience!
Thank you for playing and I appreciate your feedback!