(I'm back) In order for lv 21 and above to be of some use, I decided to add "Upgrade Cards". This will allow you to choose what you want to improve, but each card has a limit (that's the downside). They will only appear when you raise lv 21 and above.

Flowey the flower

title and menu have been updated.

Battle system (This is how the battle system might look like)

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Cuphead

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I decided to update the design a little: warp zone (But this may change)

Underfell Sans at the battle

Don't