(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.

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title and menu have been updated.

Underworld Frisk

Clover

Sans at the battle

New menu (test)

Dusttale Sans

Underfell Sans

Don't