Presentation, graphics and soundtrack are pretty slick! Well animated and well detailed. Winding up the character to heal is a novel idea. Boss patterns are interesting and mostly readable, but I feel like the reaction time and projectile speeds on most things is way over the top, and the character is fairly slow when not dashing.
Keyboard controls are... brutal, lol. The attack key being way off to the side means you can't really do all of the game's functions at once, and I had to keep swapping between a couple seconds of actually playing the game, attacking and trying to dodge things, and then twice that much just spamming jump and dash randomly and franctically trying to top up my health. This both kinda trivializes the bosses since you can just win by pure attrition, and just isn't very fun to do, if I'm being honest, lol.