First off, that is a huge team to coordinate for a game jam, so congrats for finishing a polished game!
The artwork, vfx, sounds, and voice acting were all nailed down nicely!
The ball cycling mechanic was creative! It felt novel for a combat mechanic and I can see a lot of work was put into it to make it balanced. Keeping track of your player, the boss location, and the ball sparks simultaneously felt like a great workout for your spatial cognition lol
To agree with a few others, a lot of things were thrown to me at once so a warm up could have helped ease the player in. I do appreciate that it wasn't too difficult to beat, despite feeling difficult at first.
Overall, well done!