What does the "optimize" button do?

What does the "optimize" button do? - Happy little child smiling while peeking from tent

Kingdom Hearts Unchained X recently added an "optimize" button the pre-quest Keyblade select screen. When this button is clicked, it moves medals from your medal list into your Keyblade, but does not explain how it chose the medals it chose. The only thing that I've been able to find is that it adheres to the medal requirements for the selected proud mode quest.

Optimize button example

So how does it go about choosing the medals that it chooses to insert into the Keyblade?






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How To Optimize Buttons For Task Performance




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