Very enjoyable, reminded me of Crypt of the Necrodancer. Artstyle was clean and looked nice (though I did lose track of the player every now and then), and the animations were well made. Music fit the aesthetic well and the sfx were good. I think the only critique I can give are that there could perhaps be a few more sound effects, like a roar when you summon a big skeleton, or various grunts and shouts from the enemies. In terms of new additions if you chose to add more, I think a few more upgrades, maybe a leveling system for upgrades (can merge duplicates?), and unique charge times for each upgrade (some might be powerful enough to warrant more windup, others might have a small effect that could be fast). Overall a great game and one of the most polished and complete games I've played for this jam.