If you have already passed 15 hours of playtime on your attempt to get the Speedstar Trophy, their is another way to get it. Unlocking the Speedstar Trophy for Kingdom Hearts: Final Mix After Passing the 15 Hour Mark. The effects of this glitch will persist until you make any further attack with your Keyblade, after which the damage acts as normal (unless you do another aerial combo finisher). To abuse this oversight to great effect, do an aerial combo finisher, and then use magicsummon attacks, and youll find that you deal much more damage than you otherwise would. While most attacks reset the corrections to your damage as intended, Magic and Summons do not. However, the finisher for your aerial combos has a much higher correction than normal to do extra damage. In essence, during various battles (bosses in particular), your damage output is corrected on each hit to better fit the zero-EXP format. 4Story Eg Hack Silver Angel How To Unlock Them.