Well first u wuld need an action reply so dat all ur chars wuld b lv 99. once u finished da game and start a new game it will ask u if u wanna play da game on hard or easy. den it will ask u if u want da chars lvs or sumthin. select yes and all ur chars,(including piers) will b lv 99 but dey wont know all da moves bcuz it requires djinni