Enter the "Create A Fighter" screen. Load a fighter. Press X to select fighter. Press Square to toggle the stats on. Press Square again to toggle the stats off. Press X to select the fighter. Press X to select "Customize Fighter". Press X to select fighter style/attributes. Press X to select fighter skills. You now have 3024 points to use to raise the skill level of your fighter. Press X after using all the points and accept your changes. Press Circle to exit back one screen and select "Finish". Repeat this as many times as desired. Save and copy your modified fighter.