Cool game, ,first the idea is simple but I think it needs more polish,you probably lacked time so you werent able to add sfx,you could add a main menu n make the cauldron empty when you fill the potion.overall with some polish ,it can even be better.
If you have time, you can check out my game:https://itch.io/jam/godot-wild-jam-92/rate/4491956